NEED HELP?
1-888-976-5443
[email protected]
NEED HELP?
1-888-976-5443
[email protected]
EcoFlow TITAN vs DELTA Pro Ultra X: Which Home Backup System Is Right for You?
EcoFlow now offers two very different paths to whole-home backup. The new TITAN 5000 series is an all-in-one home battery that starts at 5kWh and $2,499, and it comes in three versions: the TITAN 5000 Classic, TITAN 5000 and TITAN 5000 Plus. The DELTA Pro Ultra X is EcoFlow's flagship home system, with a 12kW inverter that starts at 12.3kWh and $7,999 and can grow to 184kWh.
Both use LFP batteries, both connect to an EcoFlow smart panel for automatic backup, and both recharge from solar, the grid or a generator. The real differences are scale and flexibility: how much power your home needs at one moment, how much stored energy you want for long outages, and how far you expect the system to grow.
This guide compares all four models side by side, explains what each one can and cannot run, and helps you decide which fits your home. Specifications come from EcoFlow's published product documents, and prices are Outbound Power's base-model prices as of October 28, 2026.
TITAN is available to reserve now, and shipments are expected to begin November 4, 2026. We will add our own hands-on notes to this comparison once units arrive.
Quick Answer
For most homes that want automatic 240V backup of essential circuits, the EcoFlow TITAN 5000 is the right place to start. If you need to run more than about 7,200W at once, or more than 30kWh of storage, choose the EcoFlow DELTA Pro Ultra X.
- Best for most homes: TITAN 5000 ($3,199). It delivers 7,200W of 120/240V power and 5 to 30kWh of storage, and EcoFlow says it can start a compatible 3-ton central air conditioner without a soft starter.
- Best for solar and everyday savings: TITAN 5000 Plus ($3,699). It doubles the TITAN 5000's solar input to 8,000W across two inputs and reaches 10kW of output while solar, or a generator connected through EcoFlow's rectifier, is supplying power.
- Best budget option for 120V homes: TITAN 5000 Classic ($2,499). It provides 4,000W of 120V power for refrigerators, lights, Wi-Fi and computers, but it cannot run 240V appliances.
- Best for large homes and heavy loads: DELTA Pro Ultra X ($7,999 with two batteries). It supplies 12kW from one inverter and 10kW of solar input, with room to grow to 36kW and 184kWh.
The most important consideration: peak power, not battery size. Adding TITAN batteries gives you more hours of backup, but every TITAN stays at its rated output, 7,200W or 4,000W for the Classic. If the appliances you need to run at the same time add up to more than that, the DELTA Pro Ultra X is the better fit.
TITAN vs DELTA Pro Ultra X Side by Side
The two tables below cover the specifications that matter most when choosing between these systems. On a phone, each specification appears as its own card.
Power and Capacity
| Specification | TITAN 5000 Classic | TITAN 5000 | TITAN 5000 Plus | DELTA Pro Ultra X |
|---|---|---|---|---|
| Base price | $2,499 | $3,199 | $3,699 | $7,999 |
| Included battery | 5kWh | 5kWh | 5kWh | 12.3kWh (2 batteries) |
| Maximum storage | 30kWh | 30kWh | 30kWh | 61.4kWh per inverter, 184kWh with 3 inverters |
| Continuous output | 4,000W | 7,200W | 7,200W, up to 10kW with solar or a generator | 12,000W per inverter |
| Output voltage | 120V | 120/240V | 120/240V | 120/240V |
| Output can grow | No | No | No | Yes, to 36kW with 3 inverters |
Charging, Home Connection and Installation
| Specification | TITAN 5000 Classic | TITAN 5000 | TITAN 5000 Plus | DELTA Pro Ultra X |
|---|---|---|---|---|
| Maximum solar input | 3,200W, 1 input | 4,000W, 1 input | 8,000W, 2 inputs | 10,000W, 2 inputs |
| Solar voltage range | 30–250V | 40–450V | 40–450V | 80–500V |
| Maximum AC charging | 4,000W | 7,200W | 7,660W | 12,000W |
| Smart panel | Smart Home Panel 10 (120V) | Smart Home Panel 10 (240V) | Smart Home Panel 10 (240V) | Smart Home Panel 3 or Smart Gateway |
| Backed-up circuits | 10 | 10 | 10 | Up to 32 with Smart Home Panel 3 |
| Backup switchover | ≤10 ms plugged in, ≤20 ms with panel | ≤10 ms plugged in, ≤20 ms with panel | ≤10 ms plugged in, ≤20 ms with panel | <10 ms standalone, <20 ms with panel |
| Enclosure rating | IP20, indoor | IP20, indoor | IP20, indoor | IP54 inverter |
| Battery temperature | Charges at 32–113°F, runs at 14–113°F | Charges at 32–113°F, runs at 14–113°F | Charges at 32–113°F, runs at 14–113°F | -4–113°F, heats in extreme cold |
| Weight | 102.5 lb | 119 lb | 121.3 lb | 76.1 lb inverter, 111.3 lb per battery |
| Warranty | 5 years | 5 years | 5 years | 5 years |
Base-model prices at Outbound Power on October 28, 2026. TITAN base models include the main unit and its built-in 5kWh battery. The DELTA Pro Ultra X base model includes the inverter and two 6kWh batteries. Smart panels, extra batteries and installation cost extra, and prices can change. Maximum AC charging uses each system's high-power AC input; a standard 120V outlet charges any of these systems at up to 1,800W. TITAN weights are for the main unit with its built-in battery.
How Each System Is Built
The TITAN and the DELTA Pro Ultra X are built differently, and that one design choice explains most of the differences in this comparison.
TITAN: An All-in-One Battery You Stack
Each TITAN main unit combines the inverter, a 5kWh LFP battery, the display and the outlets in one floor-standing case about 24.5 inches wide, 13.2 inches tall and 16.9 inches deep. You add capacity with TITAN Battery 5kWh packs that stack beneath it, up to five packs for six batteries and 30kWh in total. Each pack weighs 82.7 pounds.
EcoFlow recommends stacking no more than three packs under the main unit. With four or five packs, the extra packs form a second stack beside the first, joined by a multi-stack battery cable. EcoFlow also recommends securing the main unit and battery stacks to a load-bearing wall with its installation brackets.
DELTA Pro Ultra X: An Inverter That Sits on Its Batteries
The DELTA Pro Ultra X separates the inverter from the batteries. The 12kW inverter weighs about 76 pounds and sits on top of 6.1kWh batteries that weigh 111.3 pounds each, and the base kit includes a rolling stand with casters. One inverter supports up to 10 batteries for 61.4kWh.
The inverter has two battery ports, and EcoFlow says full 12kW output needs batteries on both ports, ideally with the same number of packs on each. To go past 12kW, up to three inverters can work together through a Smart Home Panel 3 for 36kW and 184kWh.
Why it matters: TITAN's all-in-one design keeps small systems compact and affordable. The DELTA Pro Ultra X's separate inverter is what lets it add output, not just storage, as a home's needs grow.
Weight adds up with either system. At about 30kWh, a TITAN 5000 Plus with five extra packs weighs roughly 535 pounds, and a DELTA Pro Ultra X with five batteries weighs roughly 633 pounds. If you plan an installation above ground level, have your installer confirm the floor can carry the load.
Which TITAN Model Fits Your Home?
All three TITAN models share the same 5kWh battery, the same expansion to 30kWh, LFP chemistry and a 5-year warranty. They differ in voltage, output, solar input and outlets.
TITAN 5000 Classic: 120V Essentials
The Classic delivers 4,000W of 120V power through three NEMA 5-20R outlets and one TT-30R outlet, plus a 60W USB-C port and an 18W USB-A port. Its single solar input accepts up to 3,200W at 30 to 250V, and it pairs with the 120V version of the Smart Home Panel 10.
The Classic cannot power 240V appliances such as central air conditioners, electric dryers or 240V well pumps. Its 120V panel also has no CT clamps, so it cannot store surplus power from an existing rooftop solar system the way the 240V TITAN models can.
TITAN 5000: 240V Backup for Most Homes
The TITAN 5000 steps up to 7,200W of 120/240V split-phase power, with three NEMA 5-20R outlets, an L14-30R twist-lock outlet and the same USB ports. EcoFlow says it can directly start and run a compatible 3-ton central air conditioner without a soft starter, provided the air conditioner's startup requirements fall within the unit's capabilities. Its single solar input takes up to 4,000W at 40 to 450V.
TITAN 5000 Plus: More Solar and More Headroom
The Plus has the same 7,200W battery output as the TITAN 5000 but doubles the solar input to 8,000W across two inputs. When solar panels, or a generator connected through the EcoFlow FlowMaster Generator Rectifier, are supplying power, total output can reach 10kW. It can also deliver up to 5kW on a single 120V leg, which helps when large 120V loads share one side of your electrical panel, although the 7,200W battery limit still applies overall.
The Plus has two NEMA 5-20R outlets and one NEMA L14-50R outlet, accepts up to 7,660W of AC charging, and has no USB ports.
TITAN 5000 or Plus? If your plan is mainly outage backup with modest solar, the TITAN 5000 gives you the same 7,200W from the battery for $500 less. If you plan more than 4,000W of solar, want to make the most of time-of-use rates, or have large 120V loads, the Plus earns its higher price.
Power Output and What Each System Can Run
Continuous output is the total power a system can deliver at the same moment. It decides which appliances can run together, and it is where the TITAN and the DELTA Pro Ultra X differ most.
TITAN Output Stays Fixed as You Add Batteries
Every TITAN is rated at 7,200W, or 4,000W for the Classic, no matter how many batteries are connected. EcoFlow states that adding batteries does not change the main unit's rated output, so more batteries mean longer runtime, not more power at once. The Smart Home Panel 10 also connects to a single TITAN main unit, and EcoFlow has not published a way to combine two TITAN units for more output.
The DELTA Pro Ultra X starts at 12,000W from one inverter. Add inverters through a Smart Home Panel 3, up to three in total, and output grows to as much as 36kW.
A Real-World Load Example
EcoFlow uses this example to show what a busy household might run at the same time:
| Appliance | Running Power |
|---|---|
| 3-ton central air conditioner | 3,500W |
| Water pump | 2,500W |
| Microwave | 1,800W |
| Washing machine | 1,200W |
| Refrigerator | 300W |
| TV | 110W |
| Total | 9,410W |
That total is more than any TITAN can supply from its battery. EcoFlow notes it would only work on a TITAN 5000 Plus while enough solar power is coming in at that moment. It fits within the DELTA Pro Ultra X's 12,000W rating, as long as the loads are balanced across both legs of your electrical panel, which your electrician plans during installation.
In practice, many TITAN owners back up the essentials and let larger loads take turns. The Smart Home Panel 10 helps with this by letting you rank circuits, so lower-priority circuits switch off when the battery drops below a level you set.
Central Air, Well Pumps and Other Motor Loads
Motors draw a burst of current when they start, often several times their running power. The figure to check is locked-rotor amps (LRA), which is printed on the nameplate of an air conditioner's outdoor unit and on most well pump labels.
EcoFlow says the TITAN 5000 and TITAN 5000 Plus can start a compatible 3-ton central air conditioner without a soft starter. For the DELTA Pro Ultra X, EcoFlow says its Adaptive Start feature can start appliances as large as a 5-ton air conditioner, based on its internal testing. Neither system has a published LRA limit, so if your air conditioner or well pump is near those sizes, have it checked before you buy. A soft starter, which lowers a compressor's startup current, can widen your options.
The Classic is 120V only, so it is not an option for 240V motors at all.
Not sure about your air conditioner or well pump? Include their nameplate details when you request a free backup plan, and our team will help you size the right system.
Battery Capacity, Expansion and Runtime
Capacity decides how long your backup lasts. TITAN grows in 5kWh steps from 5 to 30kWh. The DELTA Pro Ultra X grows in 6.1kWh steps from 12.3kWh to 61.4kWh per inverter, and up to 184kWh with three inverters.
How to Estimate Runtime
Divide the usable energy by your average load. EcoFlow's own TITAN runtime examples assume about 4kWh delivered from each 5kWh battery, a planning allowance for conversion losses and reserve rather than a measured figure, and the same 80% rule of thumb works for comparing both systems. For example, a 10kWh system running an average 1,000W load would last about 8 hours.
| System | Capacity | Estimated Runtime at 1,000W |
|---|---|---|
| TITAN with 1 battery | 5kWh | About 4 hours |
| TITAN with 2 batteries | 10kWh | About 8 hours |
| TITAN with 3 batteries | 15kWh | About 12 hours |
| TITAN with 6 batteries | 30kWh | About 24 hours |
| DELTA Pro Ultra X with 2 batteries | 12.3kWh | About 10 hours |
| DELTA Pro Ultra X with 4 batteries | 24.6kWh | About 20 hours |
| DELTA Pro Ultra X with 6 batteries | 36.9kWh | About 29 hours |
| DELTA Pro Ultra X with 10 batteries | 61.4kWh | About 49 hours |
A 1,000W average is a reasonable planning figure for essentials such as a refrigerator, lights, Wi-Fi, a TV and a few small appliances. Central air or electric heat raises it quickly. Solar panels wired directly to the system can stretch these numbers during a long outage, and a generator can recharge either system.
How Much Capacity Do You Need?
Check your utility bill for your monthly kWh use and divide it by 30 for a daily average. Backing up only essential circuits usually takes a fraction of that number, while whole-home backup through a long outage takes much more. If your daily use, outage history or future plans, such as an EV, a heat pump or an addition, point beyond 30kWh, the DELTA Pro Ultra X has room to grow that TITAN does not.
Our Power System Calculator can help you add up your appliances' power needs, and our whole-home backup guide walks through the planning process.
Upgrading Later
Both systems let you start smaller and add batteries later. TITAN Battery 5kWh packs work with all three TITAN models. DELTA Pro Ultra X batteries add 6.1kWh each, and EcoFlow says older DELTA Pro Ultra batteries also work with the DELTA Pro Ultra X after a firmware update, with specific battery-port rules. That makes the DELTA Pro Ultra X the natural upgrade for current DELTA Pro Ultra owners, which we cover in our DELTA Pro Ultra X vs DELTA Pro Ultra comparison. TITAN batteries and DELTA Pro Ultra batteries are not interchangeable.
Solar, Grid and Generator Charging
How quickly a system refills matters most during a long outage, when the sun or a generator has to keep up with what your home uses.
Solar Panels Wired Directly to the System
The Classic accepts up to 3,200W of solar through one input at 30 to 250V. The TITAN 5000 accepts up to 4,000W through one input, and the Plus up to 8,000W through two inputs, each at 40 to 450V. The DELTA Pro Ultra X accepts up to 10,000W through two inputs at 80 to 500V, connected through its included PV switch box.
EcoFlow rates the DELTA Pro Ultra X's 10kW of solar input to recharge 12kWh to 80% in about an hour under controlled conditions. Real-world sun, temperature and panel angle all reduce that. Each system's voltage range also sets how many panels can be wired in series, so plan the panel layout for the specific model. Because the DELTA Pro Ultra X's solar inputs work from 80V, smaller panels need to be wired in series to reach that range.
Existing Rooftop Solar
If you already have grid-tied rooftop solar, both systems can put surplus power to work. With the 240V Smart Home Panel 10 and its included CT clamps, the TITAN 5000 and TITAN 5000 Plus can store surplus power from a compatible rooftop system through AC coupling, without sending power back to the grid. The Classic's 120V panel does not support this. The DELTA Pro Ultra X does the same job through a Smart Home Panel 3 or Smart Gateway paired with current transformers, which direct surplus rooftop solar to its batteries.
One limitation applies during an outage. Grid-tied rooftop inverters shut down when the grid goes down, to protect utility workers, so they generally cannot recharge your batteries until power returns. EcoFlow says only panels wired directly to the TITAN's solar inputs keep charging it in that situation. If long outages are your main concern, plan for at least some panels wired directly to whichever system you choose.
Grid Charging
Every model can charge from a standard 120V outlet at up to 1,800W, which takes several hours. Faster charging uses each system's high-power AC connection: up to 4,000W on the Classic, 7,200W on the TITAN 5000, 7,660W on the Plus and 12,000W on the DELTA Pro Ultra X. With a smart panel installed, both systems can also charge from the grid during low-cost hours for time-of-use savings.
Generator Charging
A generator turns either system into backup that can keep going for days. EcoFlow says any TITAN can charge from an EcoFlow or third-party generator through its included AC charging cable. The TITAN 5000 and TITAN 5000 Plus, but not the Classic, also work with the EcoFlow FlowMaster Generator Rectifier, which converts a generator's AC output to DC for the solar input. EcoFlow says the rectifier supports portable gasoline generators rated up to 12kW.
The DELTA Pro Ultra X connects to a generator through an EcoFlow generator charging adapter or the same FlowMaster rectifier, and with a Smart Home Panel 3 it supports split-phase 240V generators from 3 to 12kW.
When a generator is running, the system can draw its charging power and your home's running loads at the same time. Choose a generator large enough for both, or lower the charging rate in the EcoFlow app if your system allows it.
Smart Home Panel 10 vs Smart Home Panel 3
A smart panel turns either system into automatic home backup. It connects the battery to your home's circuits and switches them to battery power when the grid fails. Each system uses its own panels, and EcoFlow says the Smart Home Panel 10 is currently the only smart panel TITAN supports.
TITAN: Smart Home Panel 10
The Smart Home Panel 10 is a factory pre-wired subpanel installed downstream of your main electrical panel. It backs up 10 selected circuits and switches them to battery power in 20 milliseconds or less, fast enough that lights and Wi-Fi keep running through an outage.
- The 240V version, for the TITAN 5000 and TITAN 5000 Plus, has one 30A and one 20A double-pole breaker, two 20A breakers and four 15A breakers, plus CT clamps for whole-home monitoring and rooftop solar.
- The 120V version, for the Classic, has one 30A, one 20A and eight 15A breakers, with no CT clamps.
- It connects to one TITAN, is designed for indoor installation, and carries a 5-year warranty.
EcoFlow notes that the panel's branch circuits do not include AFCI or GFCI protection. Ask your electrician how that affects the circuits you want to back up.
DELTA Pro Ultra X: Smart Home Panel 3 or Smart Gateway
The Smart Home Panel 3 manages up to 32 independently controlled circuits, is rated up to 200A, and can connect up to three DELTA Pro Ultra X inverters and a generator. The Smart Gateway is a 200A whole-home option with six independently controlled circuits. Both switch over in under 20 milliseconds, are rated NEMA 3R for indoor or outdoor installation, and carry a 10-year warranty. The Smart Inlet Box that connects the DELTA Pro Ultra X to the Smart Home Panel 3 is for indoor installation only.
EcoFlow estimates that most Smart Home Panel 3 installations take less than 10 hours and most Smart Gateway installations less than 6 hours. The Smart Home Panel 10 is pre-wired at the factory to reduce on-site wiring.
Is 10 circuits enough? For essentials-focused backup, it often is. A refrigerator, lights, Wi-Fi, a furnace blower, a sump or well pump and a central air circuit can fit within 10. If you want most of your home backed up, or more control over individual circuits, the Smart Home Panel 3's 32 circuits or the Smart Gateway's whole-home coverage is the better match.
Installation, Placement and Safety
Plug-In Use vs Home Installation
Both systems can power appliances plugged directly into their outlets with no installation at all. Automatic backup of your home's circuits requires the smart panel, installed by a qualified, licensed electrician, and permit requirements vary by location.
Our home backup installer directory can help you find a licensed electrician who installs home battery systems.
Where Each System Can Go
TITAN is rated IP20 and needs a dry, ventilated indoor spot, such as a utility room, a dry basement or a garage. It charges between 32°F and 113°F and runs down to 14°F, so a garage that drops below freezing can stop it from charging until it warms up.
The DELTA Pro Ultra X inverter is rated IP54 for dust and splash resistance, and its batteries operate from -4°F to 113°F, heating themselves in extreme cold for safe charging. EcoFlow does not publish outdoor installation rules for the DELTA Pro Ultra X, so plan on a garage or other sheltered location. In cold climates, it is the more forgiving choice.
Noise
Both systems are quiet compared with a generator. EcoFlow rates the TITAN 5000 and TITAN 5000 Plus below 39 dB at 1 meter while delivering 3,600W and 5,000W, and the Classic below 30 dB at 2,000W. It rates the DELTA Pro Ultra X below 30 dB at half a meter while delivering 4,000W. Because the tests use different distances and loads, the numbers are not a direct comparison, and fan noise rises with heavier loads on both systems.
Safety Certifications and Warranty
Both systems use LFP (lithium iron phosphate) batteries, a chemistry known for its thermal stability. EcoFlow publishes UL 9540 energy storage system certificates for all three TITAN models, along with UL 1973 and UL 2743 certificates, and says TITAN was tested to UL 9540A. Many permit offices look for a UL 9540 listing, so whichever system you choose, confirm the listings your local permit office requires before installation.
The TITAN main units, TITAN batteries and Smart Home Panel 10 each carry a 5-year warranty. The DELTA Pro Ultra X inverter and batteries also carry a 5-year warranty, and the Smart Home Panel 3 and Smart Gateway carry 10 years. EcoFlow's warranty terms do not list a cycle count or capacity guarantee for either system. EcoFlow's manuals for both systems also warn that leaving a unit unused and uncharged for more than six months voids the warranty, and the TITAN manual recommends charging fully, then discharging to 60%, every three months during storage.
App Features and Time-of-Use Savings
Both systems run in the EcoFlow app, which shows live power use and lets you set backup reserves, circuit priorities and charging schedules.
- Time-of-use savings: With a smart panel, both systems can charge when electricity is cheap and power your home when rates peak.
- Storm Guard: Both can automatically charge to 100% ahead of severe weather forecast for your area.
- Load management: Both let you mark circuits as essential or optional so the battery lasts longer in an outage.
- Subscriptions: Some advanced features, such as solar forecasting, require a paid subscription in the EcoFlow app.
Neither system exports power to the grid, so the savings come from shifting your own usage away from peak rates and storing your own solar, not from net-metering credits.
EcoFlow's published estimates show what is possible in the right conditions. For a 15kWh TITAN 5000 Plus system with a Smart Home Panel 10 and 8kW of solar on San Diego Gas & Electric's TOU-DR2 time-of-use rate, EcoFlow estimates savings of up to $3,100 a year with about a 3-year payback. For the DELTA Pro Ultra X, it estimates up to $6,000 a year based on its internal testing. Homes on flat-rate plans or with little solar will save much less.
Price and Value
Here is what each base model costs and what you get for the money at the starting line.
| Specification | TITAN 5000 Classic | TITAN 5000 | TITAN 5000 Plus | DELTA Pro Ultra X |
|---|---|---|---|---|
| Base price | $2,499 | $3,199 | $3,699 | $7,999 |
| Included storage | 5kWh | 5kWh | 5kWh | 12.3kWh |
| Cost per kWh | $498 | $638 | $737 | $651 |
| Continuous output | 4,000W | 7,200W | 7,200W | 12,000W |
| Cost per kW | $625 | $444 | $514 | $667 |
Base-model prices at Outbound Power on October 28, 2026. Cost per kWh and per kW are the base price divided by the included storage and the continuous output.
At the starting line, the TITAN 5000 gives you the most output for the money and the Classic the most storage. The DELTA Pro Ultra X costs more to start because its base model already includes two batteries and a 12kW inverter.
The comparison shifts as systems grow. Each DELTA Pro Ultra X battery adds about 6.1kWh, compared with 5kWh for each TITAN pack, so its added storage costs less per kWh and the price gap narrows as systems approach 30kWh. Smart panels, extra batteries, solar and installation all add to the total, so ask us for a free backup plan on the exact system you have in mind.
Which System Should You Buy?
Here is how we would match each system to a home.
Best for Most Homes: EcoFlow TITAN 5000
The TITAN 5000 gives most households what they need for dependable outage protection: 7,200W of 120/240V power, automatic backup of 10 circuits with the Smart Home Panel 10, and storage you can grow from 5 to 30kWh. It has the same battery output as the Plus for $500 less.
- 7,200W continuous, 120/240V split-phase
- 5kWh built in, expandable to 30kWh
- 4,000W solar input (40–450V)
- Up to 7,200W AC charging
- 3 x NEMA 5-20R, 1 x L14-30R, USB-C and USB-A
- Base price: $3,199
Best for: homes that want 240V backup of their essentials, including a compatible 3-ton central air conditioner, with modest solar plans.
What to Consider Before Buying
- Output stays at 7,200W no matter how many batteries you add.
- Solar input tops out at 4,000W, so larger arrays call for the Plus.
- It is for indoor installation and cannot charge below 32°F.
Best for Solar and Everyday Savings: EcoFlow TITAN 5000 Plus
The Plus is the TITAN to choose when solar is part of the plan. Its two inputs take up to 8,000W, it can deliver up to 10kW while solar or a rectifier-connected generator is supplying power, and its 5kW single-leg output helps with large 120V loads.
- 7,200W from the battery, up to 10kW with solar or generator input
- 5kWh built in, expandable to 30kWh
- 8,000W solar input across 2 inputs (40–450V)
- Up to 7,660W AC charging
- 2 x NEMA 5-20R, 1 x NEMA L14-50R
- Base price: $3,699
Best for: homes with an existing or planned solar array that want to cut time-of-use costs as well as back up the essentials.
What to Consider Before Buying
- From the battery alone, it delivers the same 7,200W as the TITAN 5000.
- It has no USB ports.
- It shares the TITAN's indoor installation and cold-charging limits.
Best Budget Option for 120V Homes: EcoFlow TITAN 5000 Classic
The Classic is the lowest-cost way into the TITAN system. Its 4,000W of 120V power covers refrigerators, lights, Wi-Fi and computers in apartments and smaller homes, and it uses the same expandable 5kWh batteries as the other TITAN models.
- 4,000W continuous, 120V
- 5kWh built in, expandable to 30kWh
- 3,200W solar input (30–250V)
- Up to 4,000W AC charging
- 3 x NEMA 5-20R, 1 x TT-30R, USB-C and USB-A
- Base price: $2,499
Best for: apartments, condos and smaller homes whose essential loads all run on 120V.
What to Consider Before Buying
- It cannot power 240V appliances such as central air, electric dryers or 240V well pumps.
- Its 120V Smart Home Panel 10 has no CT clamps, so it cannot store surplus rooftop solar.
- It does not work with the EcoFlow FlowMaster Generator Rectifier.
Best for Large Homes and Heavy Loads: EcoFlow DELTA Pro Ultra X
The DELTA Pro Ultra X is the system for homes that need more than any TITAN can deliver. One inverter supplies 12,000W, enough for many homes to run central air, a well pump and kitchen appliances at the same time, and the system scales to 36kW and 184kWh for large or all-electric homes.
- 12,000W per inverter, up to 36kW with 3 inverters
- 12.3kWh included, up to 61.4kWh per inverter and 184kWh with 3 inverters
- 10,000W solar input across 2 inputs (80–500V)
- Up to 12,000W AC charging
- 2 x NEMA 5-20R, 1 x NEMA L14-30R, 1 x NEMA 14-50R
- Base price: $7,999 with two batteries
Best for: larger homes, all-electric homes, homes with large motor loads, and current DELTA Pro Ultra owners who want to reuse their batteries.
What to Consider Before Buying
- It costs more to start, and full 12kW output needs batteries on both inverter ports.
- Each battery weighs 111.3 pounds, so large systems are heavy.
- It has no DC or USB outputs, and EcoFlow does not publish outdoor installation rules.
Frequently Asked Questions
Is the EcoFlow TITAN better than the DELTA Pro Ultra X?
Neither is better for every home. TITAN costs less to start and suits homes that need up to 7,200W of output and up to 30kWh of storage. The DELTA Pro Ultra X costs more but offers 12kW per inverter, up to 184kWh and more circuits, so it suits larger homes and heavier loads. EcoFlow itself describes TITAN as the balanced pick for most homes and the DELTA Pro Ultra X as its flagship system.
Does adding batteries to a TITAN increase its power output?
No. Extra TITAN batteries add runtime, not output. Every TITAN keeps its rated output, 7,200W or 4,000W for the Classic, however many batteries are connected. To add output, you need a system that can add inverters, such as the DELTA Pro Ultra X.
Can the TITAN or DELTA Pro Ultra X run central air conditioning?
According to EcoFlow, the TITAN 5000 and TITAN 5000 Plus can start a compatible 3-ton central air conditioner without a soft starter, and the DELTA Pro Ultra X can start units up to 5 tons. The Classic cannot run central air because it is 120V only. Startup current varies by model, so check your unit's nameplate before you decide.
Are TITAN and DELTA Pro Ultra X batteries and panels compatible with each other?
Not currently. EcoFlow says the Smart Home Panel 10 is the only smart panel TITAN supports today, and that it will decide on other panels based on customer feedback. TITAN uses the TITAN Battery 5kWh, while the DELTA Pro Ultra X uses DELTA Pro Ultra series batteries, the Smart Home Panel 3 and the Smart Gateway. The one shared accessory is the EcoFlow FlowMaster Generator Rectifier, which works with the DELTA Pro Ultra X, TITAN 5000 and TITAN 5000 Plus.
Can I install either system myself?
You can set up either system yourself for plug-in use, running appliances from its outlets. Connecting it to your home's circuits through a smart panel requires a qualified, licensed electrician, and many areas also require a permit. Our installer directory lists electricians who install home battery systems.
Will either system work with my existing rooftop solar?
Yes, with limits. The TITAN 5000 and TITAN 5000 Plus can store surplus rooftop solar through the 240V Smart Home Panel 10 and its CT clamps, and the DELTA Pro Ultra X can do it through a Smart Home Panel 3 or Smart Gateway with current transformers. Neither sends power back to the grid, and grid-tied rooftop inverters typically shut down during an outage, so plan to wire some panels directly to the system if you want to recharge during long outages.
Can I put a TITAN or DELTA Pro Ultra X in my garage?
Yes, if the garage suits the system. TITAN needs a dry, ventilated indoor space and stops charging below 32°F. The DELTA Pro Ultra X inverter is rated IP54, and its batteries operate down to -4°F and heat themselves in extreme cold for safe charging, so it handles cold garages better.
Is there a federal tax credit for a home battery in 2026?
The federal Residential Clean Energy Credit (Section 25D), which covered home battery storage, ended for systems installed after December 31, 2025, so a system bought and installed in 2026 does not qualify. Some states and utilities still offer battery incentives, so check your local programs before you buy. This is not tax advice, so confirm the details with a tax professional.
The Bottom Line
Start with your peak load. If the appliances you need to run together stay under about 7,200W and 30kWh covers your outages, a TITAN gives you automatic home backup for considerably less money, and the TITAN 5000 is the right choice for most of those homes. Choose the Plus if solar is part of the plan, or the Classic if everything you need runs on 120V.
If your home needs more power at once, more storage or more backed-up circuits, the DELTA Pro Ultra X is worth its higher starting price. It is also the natural upgrade for anyone who already owns DELTA Pro Ultra batteries.
Not Sure Which EcoFlow System Fits Your Home?
Tell us what you want to keep running, how long your outages last, and whether you have or plan to add solar. Our power experts will recommend the right TITAN or DELTA Pro Ultra X system and help you plan the installation.
Get Your Free Backup PlanPrefer to talk it through? Call or text 1-888-976-5443.
