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- 14.3kWh LFP storage, IP65 outdoor rated
- Integrated self-heating
- Built-in 600A busbars
- Over 8,000 cycles at 80% DOD
- LCD touchscreen BMS monitoring
- Dual fire arrestors and E-Stop
- UL 1973 / UL 9540A listed
- 10-year limited warranty
Ships by LTL freight. Too large for parcel delivery. Questions on freight? Call (888) 831-0450.
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The EG4 AllWeather WallMount 280Ah is a 14.3kWh LiFePO4 battery in an IP65 outdoor-rated enclosure with weather-rated quick-connect cables. It suits homes and businesses in any climate. Its smart BMS continuously monitors performance, self-heating keeps it working in freezing weather, and dual fire arrestors plus an emergency stop add protection. A built-in LCD touchscreen makes local monitoring easy, and it pairs with EG4, Sol-Ark, Victron and Growatt inverters.
Highlights
- Smart BMS tracks voltage, temperature and performance for safe, efficient operation
- Quick-connect battery cables: fast, secure, weather-rated connections
- Integrated self-heating for cold climates
- AllWeather design: IP65 enclosure and weather-rated connectors for outdoor mounting
- Dual fire arrestors to help contain thermal events
- Emergency stop via RSD, ESS disconnect or inverter RSD
- Built-in LCD touchscreen
- Certified: UL 9540A tested, UL 1973 certified, UL 9540 listed with the EG4 18kPV
Ideal for
Homes, off-grid cabins and commercial storage that needs reliable outdoor-rated backup, especially in variable weather or cold climates.
Specifications
| Chemistry | LiFePO4 |
| Nominal voltage | 48V |
| Capacity | 280Ah / 14.3kWh |
| Enclosure | IP65 (outdoor rated) |
| Certifications | UL 9540A, UL 1973, UL 9540 (with EG4 18kPV) |
| Dimensions | 34.6 × 22.3 × 9.1 in |
| Weight | 308.6 lbs (140 kg) |
| Warranty | 10-year EG4 manufacturer warranty |
| Manufacturer | EG4 Electronics |
|---|---|
| Model Number | WP-16/280-1AWLL (WM-48-280-1-AW) |
| Chemistry | LiFePO4 |
| Nominal Voltage | 51.2V |
| Capacity | 280Ah |
| Energy | 14.3kWh |
| Max Continuous Charge/Discharge | 140A / 140A |
| Peak Discharge | 200A (30 min) |
| Cycle Life | >8,000 cycles @ 0.5C, 80% DOD |
| Communication | RS485/CAN (closed loop with EG4 and other brands) |
| Enclosure | IP65 |
| Self-Heating | 224W, on ≤32°F, off ≥41°F |
| Operating Temp | charge 32-122°F, discharge -4-131°F |
| Dimensions (HxWxD) | 36.1 x 22.3 x 9.1 in (916 x 566 x 232 mm) |
| Weight | 308.6 lb (140 kg) |
| Certifications | UL 1973, UL 9540A |
| Warranty | 10 years |
Specifications are from the manufacturer and may change. Questions? Call (888) 831-0450.
EG4 10-year limited, prorated warranty
| Coverage | full parts (incl. BMS) or full product replacement; full replacement prorated 1/10 per year after year 1 |
|---|---|
| Registration | register within first year, or keep proof of purchase from an EG4 authorized distributor |
| Transfer | original purchaser; transferable once if unit stays at original site |
| Residential vs commercial | no separate terms stated |
| How to claim | contact original place of purchase |
Download: EG4 14.3kWh WallMount All Weather Battery Warranty Document
Manufacturer warranties are provided by the manufacturer. Keep your invoice as proof of purchase. Questions about a warranty claim? Call (888) 831-0450.