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- 16kWh LFP storage, outdoor IP67 enclosure
- Integrated self-heating for cold climates
- 200A max continuous discharge
- 10,000 cycles at 80% DOD
- Parallel up to 32 batteries
- UL 1973 and UL 9540A listed
- 10-year / 10,000-cycle warranty
Ships by LTL freight. Too large for parcel delivery. Questions on freight? Call (888) 831-0450.
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The EG4 WallMount 314Ah AllWeather battery stores 16kWh of LiFePO4 energy in an IP67 outdoor-rated enclosure. It's built for outdoor installs and system expansions in demanding environments. EG4's smart BMS actively balances cells for efficiency and long life, internal heaters keep it charging in cold climates, and Bluetooth and Wi-Fi let you monitor it and receive over-the-air firmware updates from the EG4 app.
Highlights
- High capacity: 16kWh usable (314Ah) for extended runtime and backup
- Built for outdoors: IP67 protection against dust, water and harsh weather
- Smart BMS with active cell balancing
- Easy monitoring: Bluetooth and Wi-Fi, OTA firmware updates through the EG4 app
- Cold-weather ready: built-in internal heaters
- Installer-friendly: auto-addressing with EG4 batteries and inverters in closed-loop communication
- Long life: tested for 10,000+ cycles at 80% DoD
Ideal for
Residential and light commercial solar-plus-storage, outdoor battery installs, off-grid systems, and backup power where durability, capacity and easy expansion matter.
Specifications
| Chemistry | LiFePO4 |
| Nominal voltage | 51.2V |
| Capacity | 314Ah / 16kWh |
| Parallel | Up to 32 batteries (closed loop) |
| Enclosure | IP67 |
| Certifications | UL 1973; UL 9540 with FlexBOSS21 & FlexBOSS18 |
| Design life | 10,000+ cycles @ 80% DoD |
| Dimensions | 34.6 × 21.7 × 9.3 in |
| Weight | 309 lbs (140 kg) |
| Warranty | 10-year EG4 manufacturer warranty |
| Manufacturer | EG4 Electronics |
|---|---|
| Model Number | WM48314AWXX |
| Chemistry | LiFePO4 |
| Nominal Voltage | 51.2 VDC |
| Capacity | 314Ah |
| Energy | 16kWh nominal; 12.86kWh usable (80% recommended) |
| Max Continuous Charge | 157A |
| Max Continuous Discharge | 200A (157A recommended) |
| Peak Power | 12.8kW (3 s) |
| Cycle Life | 10,000 cycles @ 0.5C, 25°C, 80% DOD |
| Max Parallel | 32 units |
| Communication | RS485, CAN |
| Enclosure | IP67 |
| Self-Heating | 448W, on at ≤32°F, off at ≥37°F |
| Operating Temp | charge 32-122°F, discharge -4-131°F |
| Dimensions (HxWxD) | 34.6 x 21.7 x 9.3 in (880 x 550 x 235 mm) |
| Weight | 309 lb (140 kg) |
| Certifications | UL 1973, UL 9540A; UL 9540 with FlexBOSS21/FlexBOSS18 |
| Warranty | 10 years or 10,000 cycles |
Specifications are from the manufacturer and may change. Questions? Call (888) 831-0450.
EG4 10-year or 10,000 cycles (whichever first), prorated warranty
| Coverage | repair, replacement or prorated credit; prorated 1/10 per year or per 1,000 cycles |
|---|---|
| Registration | register within first year, or keep proof of purchase from an EG4 authorized distributor |
| Transfer | original purchaser plus one transferee |
| How to claim | contact original place of purchase or EG4 (eg4electronics.com/contact) |
Download: EG4 WallMount 314Ah Battery Warranty Document (Indoor & All Weather)
Manufacturer warranties are provided by the manufacturer. Keep your invoice as proof of purchase. Questions about a warranty claim? Call (888) 831-0450.