For homeowners who want a single large, heated, outdoor-rated battery that passes inspection. Its UL 9540 listing and direct inverter communication make it an easy choice for permitted grid-tied and off-grid builds.
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its case. How we rank explains each one.
| Model number | 52-48-16000 |
|---|---|
| Capacity | |
| Case | Wall or floor mount |
| Nominal voltage | 51.2 V |
| Capacity | 314 Ah |
| Energy | 16.1 kWh |
| Usable energy | 16.1 kWh |
| Chemistry | LiFePO4 |
| Power | |
| Continuous discharge | 200 A |
| Peak discharge | 300 A |
| Max charge current | 200 A |
| Modules in parallel | Up to 36 |
| Safety and communication | |
| UL 1973 | Yes |
| UL 9540A | Yes |
| UL 9540 | Yes |
| Communication | CAN (direct, Pylon protocol); LYNK port to LYNK II Gateway |
| Works with inverters | Sol-Ark, Victron, Schneider, Deye, Growatt, Luxpower, Megarevo, NOARK, Solis, Sunsynk |
| Self-heating | Yes |
| App | No |
| Build | |
| Display | No |
| Built-in breaker | Yes |
| Enclosure | IP65 |
| Dimensions | 900 x 465 x 247 mm (35.4 x 18.3 x 9.7 in) |
| Weight | 299 lb |
| Warranty | 10 years |
| Released | 2025-02 |
An outdoor-rated 14 kWh wall battery for EG4 inverter owners with no indoor space for storage. Compare it with the 314Ah All-Weather, which costs a little more per unit but less per kWh of extra capacity.
Signature Solar $3,124.99 Current Connected $3,124.99A low-cost 16 kWh floor battery for off-grid and backup builders who want big capacity with few modules. Permitted grid-tied installs may need a model with UL 9540A.
Amazon $2,499.99 ECO-WORTHY $2,339.99A tough 5 kWh module for off-grid cabins, boats and small systems that need an outdoor-rated case. Larger inverters need three or more to run at full power.
Current Connected $1,449Compare the Discover Helios ESS 16kWh with any other 48V solar battery →
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