The SunGold PowerMax 314 Outdoor Energy Storage Battery Stores 16.07kWh in a Single IP65 Cabinet
The SunGold PowerMax Energy Storage Battery is a 51.2V, 314Ah LiFePO4 battery that stores 16.07kWh, with 15.42kWh usable. Its IP65-rated enclosure is designed for indoor and outdoor installation, and SunGold lists UL1973 and UL9540A certifications, making it a strong fit for whole-home storage.
SunGold describes the PowerMax as built to collect solar energy during the day and store it for use at night, during outages, or in emergencies. It delivers 7.68kW of continuous power, communicates over CAN, RS485, USB, Wi-Fi, and Bluetooth, and can be paralleled up to 16 units. SunGold pairs it with its 12kW all-in-one hybrid inverter.
SunGold PowerMax Energy Storage Battery Features
16.07kWh in One Battery
At 51.2V and 314Ah, one PowerMax stores 16.07kWh, with a maximum depth of discharge above 96 percent and 15.42kWh of usable energy.
7.68kW Continuous Output
Standard charge and discharge current is 150A, with up to 190A continuous and 220A peaks for 3 seconds, for a rated DC power of 7.68kW.
8000 Cycle Life
SunGold rates the PowerMax for 8000 cycles at 80 percent depth of discharge, 0.5C, and 77°F.
IP65 Indoor and Outdoor Rating
The IP65 enclosure supports installation indoors or outdoors, with natural cooling and a 32°F to 131°F charging range.
Touch Screen and Connectivity
An LCD touch screen shows battery data on the unit, and CAN, RS485, USB, Wi-Fi, and Bluetooth support inverter communication and remote monitoring.
UL1973 and UL9540A
SunGold lists UL1973 and UL9540A certifications, along with UN38.3 and EN standards.
Real-World Applications
Whole-home backup. Pair with a hybrid inverter to keep a home running through outages.
Outdoor installations. Mount outside when indoor space is limited, away from salt damage areas.
Solar self-consumption. Store daytime solar for evening loads.
Large systems. Parallel up to 16 units for more storage.
How It Compares to Common Alternatives
Versus 5.12kWh rack batteries. One PowerMax replaces about three 5.12kWh batteries and is rated for outdoor use.
Versus the SG48200T. The SG48200T stores 10.24kWh indoors. The PowerMax adds capacity and an IP65 rating.
Versus the CoreX 5 series. CoreX batteries are 5.12kWh modules for indoor installation.
Is This Battery the Right Fit
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System voltage. 48V systems (51.2V nominal).
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Weight. 271 pounds. Plan for a secure wall or floor installation with help.
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Size. 41.26 x 18.11 x 10.67 inches.
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Location. Indoor or outdoor, but not in salt-damage areas.
This may be a good fit if
- You want 16kWh in one battery
- You need an outdoor-rated battery
- You want UL9540A-listed storage
- You use SunGold's 12kW hybrid inverter
Common Questions
Can It Be Installed Outside?
Yes. It is IP65 rated for indoor and outdoor use, though SunGold advises against outdoor installation in salt-damage areas.
How Many Can Be Paralleled?
Up to 16 units. SunGold sells a separate parallel cable for connecting PowerMax batteries.
How Long Can It Be Stored Before Installation?
SunGold lists 6 months at 77°F, 3 months at 95°F, or 1 month at 113°F, with a recommended storage temperature of 68°F to 86°F.
What Inverter Does SunGold Pair It With?
SunGold offers the PowerMax with its 12kW 48V all-in-one hybrid inverter (SGS-12K18MAX), in one-battery and two-battery configurations. It communicates with inverters over CAN or RS485.
How Much Usable Energy Does It Have?
15.42kWh of usable energy out of 16.07kWh rated.
What's Included
- 1 x SunGold PowerMax Energy Storage Battery (16.07kWh)
- 3 x Mounting Frames
- 1 x Mounting Frame Connecting Strip
- 6 x M4x10 Screws
- 12 x M8x60 Mounting Frame Expansion Bolts
- 2 x Side Fasteners
- 4 x M5x12 Screws
- 2 x Power Cables (1.5 m)
- 1 x Signal Cable (RJ45, 1.5 m)
- 1 x RJ45 Waterproof Connector
- 1 x Installation Auxiliary Board
- 1 x Grounding Wire (1.5 m)
Whole-Home Storage in One Cabinet
The SunGold PowerMax Energy Storage Battery delivers 16.07kWh, 7.68kW of continuous power, and an IP65 outdoor rating in one UL9540A-listed unit. At Outbound Power, we help customers design whole-home storage systems. If you have questions, our team is happy to help.
SunGold PowerMax Energy Storage Battery Specifications
|
| Model |
PowerMax 314 Outdoor |
| Battery Type |
LiFePO4 |
| Rated Voltage |
51.2V |
| Voltage Range |
44.8 to 57.6VDC |
| Rated Capacity |
314Ah |
| Rated Energy |
16.07kWh |
| Usable Energy |
15.42kWh |
| Max Depth of Discharge |
Over 96% |
| Rated DC Power |
7.68kW |
| Standard Charge/Discharge Current |
150A / 150A |
| Max Charge/Discharge Current |
190A / 190A |
| Peak Charge/Discharge Current |
220A (3 seconds) |
| Breaker Current |
240A |
| Cycle Life |
8000 cycles (80% DOD, 0.5C, 77°F) |
| Max Charging Voltage |
57.6V |
| Over Discharge Voltage |
44.8V |
| Max Parallel |
16 units |
| Communication |
CAN, RS485, USB, Wi-Fi, Bluetooth |
| Screen |
LCD touch screen |
| Charging Temperature |
32°F to 131°F |
| Discharging Temperature |
14°F to 131°F |
| Cooling |
Natural cooling |
| Enclosure Rating |
IP65, indoor and outdoor |
| Dimensions |
41.26 x 18.11 x 10.67 in (1048 x 460 x 271 mm) |
| Weight |
271 lb (123 kg) |
| Certifications |
UL1973, UL9540A, UN38.3 |
SunGold PowerMax Energy Storage Battery Manual
