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Batteries

Shop batteries from Renogy, EcoFlow, and BigBattery for dependable energy storage, system expansion, RV adventures, solar setups, and backup power.

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  • Outbound Power Trust Factors Ecoflow DELTA Pro Ultra X Battery with cable and manual
    Ecoflow DELTA Pro Ultra X Battery
    from $2,399.00
    Just Arrived Just Arrived
    Perfect for Home Backup Perfect for Home Backup

    Expand Your Energy Independence With The EcoFlow DELTA Pro Ultra X Battery The EcoFlow DELTA Pro Ultra X Battery is the heart of your home power ec...

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    from $2,399.00
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  • Outbound Power Trust Factors 2. Go Power! 100Ah Advanced Lithium Battery
    Go Power! 100Ah Advanced Lithium Battery
    $955.00
    $837.60

    Go Power! 100Ah Advanced Lithium Battery Packs Nearly Double the Power for Worry-Free Energy Independence When your power source fails whether ...

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    $955.00
    $837.60
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Shop Our Deep-Cycle Batteries Collection for Longer-Lasting Power

Our Deep-Cycle Batteries collection features premium AGM and lithium deep-cycle batteries engineered for superior performance in demanding applications. Unlike traditional lead-acid options, these advanced power solutions provide consistent energy delivery throughout their discharge cycle, making them ideal for solar systems, marine use, RVs, golf carts, and off-grid power setups.

These deep-cycle batteries offer remarkable advantages with their lightweight design—up to 70% lighter than lead-acid equivalents—while delivering up to 10 times the cycle life. Experience faster charging times and deeper discharge capabilities without the performance degradation common in conventional batteries.

Built with integrated Battery Management Systems (BMS), our selection of lithium deep cycle batteries provide essential protection against overcharging, over-discharging, and temperature fluctuations. This intelligent technology extends battery lifespan and ensures safe operation in various environments.

Batteries FAQs

How do I determine which battery is right for me?

The right battery depends on your intended application, energy requirements, and how long you need power. Start by identifying what you want to power, whether it's a home backup system, RV, boat, solar setup, or off-grid cabin. Then consider factors such as battery capacity, voltage, inverter compatibility, available installation space, and desired runtime. Lithium batteries are often preferred for their long lifespan, fast charging, and low maintenance, while other battery types may be suitable for specific applications or budgets. Understanding your current and future energy needs can help ensure you choose a battery system that provides reliable performance and room for expansion if needed.

What battery size do I need?

The right battery size depends on what you want to power and how long you need backup power. Factors such as appliance wattage, daily energy usage, voltage requirements, and desired runtime all play a role. Choosing the proper size helps ensure reliable performance while avoiding unnecessary costs or insufficient capacity.

As a general guide, smaller batteries are suitable for portable electronics and light-duty applications, while medium-capacity systems are popular for RVs, boats, and solar setups. Larger battery banks are better suited for home backup, off-grid living, and commercial applications that require extended runtimes and greater energy storage.

Can batteries be used for home backup power?

Yes. Batteries can provide backup power during outages and can be configured to support essential appliances or even whole-home energy systems. When paired with compatible inverters and transfer equipment, battery systems can deliver reliable power and help reduce dependence on the electrical grid. The amount of backup power available depends on the battery capacity and your household's energy consumption.

Can batteries be used with solar panels?

Yes. Batteries are commonly used with solar panels to store excess energy produced during the day for use at night or during power outages. Combined with compatible charge controllers and inverters, battery systems help maximize solar energy usage and improve energy independence. This makes them suitable for residential, RV, off-grid, and commercial applications.

What is the difference between lithium and lead-acid batteries?

Lithium batteries generally offer longer lifespan, faster charging, lighter weight, and greater usable capacity than lead-acid batteries. Lead-acid batteries typically have lower upfront costs but require more maintenance and usually provide fewer charge cycles. While both types are widely used, lithium batteries are often preferred for applications where efficiency, longevity, and reduced maintenance are important.

How long do batteries typically last?

Battery lifespan varies depending on the battery chemistry, usage patterns, and operating conditions. Modern lithium batteries are designed to provide thousands of charge cycles and years of reliable service, while traditional lead-acid batteries generally have shorter lifespans. Following recommended charging practices and avoiding extreme temperatures can help maximize battery life.

Are batteries expandable?

Many modern battery systems are designed to be scalable, allowing additional batteries to be added as energy needs increase. Expandable systems provide flexibility for homeowners, RV owners, and businesses that may require more storage capacity in the future. However, expansion capabilities vary by model and manufacturer, so compatibility should always be confirmed before adding batteries.

Are batteries safe to use?

Yes. Modern batteries incorporate advanced safety features designed to protect against overcharging, overheating, over-discharging, and short circuits. Many lithium batteries also include built-in Battery Management Systems (BMS) that help optimize performance and enhance safety. Proper installation, charging, and maintenance are essential to ensure safe and reliable operation.

What appliances and devices can a battery system power?

The number and type of devices a battery system can power depend on its capacity and output. Smaller systems may support lights, laptops, phones, and portable electronics, while larger battery banks can power refrigerators, sump pumps, medical devices, power tools, and other essential household appliances. Determining your power requirements can help you choose a battery system that meets your needs.

Can I expand my battery system in the future?

In many cases, yes. Numerous battery systems support future expansion, allowing users to increase storage capacity as their energy needs change. This flexibility enables homeowners, RV owners, and off-grid users to start with a smaller system and add additional batteries later without replacing their entire setup. Expansion options vary by manufacturer and battery model, so it's important to verify compatibility before upgrading.

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