Charged Reviews · Quick reference

EG4 WallMount All Weather 280Ah

Brand
EG4 Electronics
Model
WP-16/280-1AWLL
SKU / part number
EG4LL48V100AODWMBV2[1]
Category
Batteries
chargedreviews.com/batteries/eg4-wallmount-all-weather-280ah-eg4ll48v100aodwmbv2

Energy and chemistry

Nominal voltage51.2 V[2]
Rated capacity280 Ah[2]
Nominal energy14.3 kWh[2]
Usable energy?
ChemistryLFP[2]
Cell format?

Charge and discharge

Continuous charge current140 A[2, 3]
Continuous discharge current140 A[2, 3]
Maximum charge current?
Maximum discharge current?
Peak charge current?
Peak discharge current?
Continuous output power7.17 kW[2, 3]Estimated
Peak output200 A for 30 min[2, 3]
Charge cutoff voltage60 V[3]
Discharge cutoff voltage44.8 V[3]

BMS and communication

BMS continuous current?
Communication protocolsCAN; RS485[2]
Wireless monitoring?
Inverter compatibility?

Operating temperature

Charging temperature0 to 50 °C[2]
Discharging temperature-20 to 55 °C[2]
Storage temperature0 to 45 °C[3]
Self-heatingYes[2]

Mechanical and mounting

Dimensions232 D × 566 W × 916 H mm[2, 3]
Weight140 kg / 308.65 lb[2, 3]
TerminalsWeather-tight quick connectors[2]
Mounting / format?
Enclosure rating (IP)IP65[2]

Installation (from the manual)

Not documented in the manual

System limits

Maximum parallel units?
Series connection?
Maximum system energy?

Page 1 of 2 · Installation values · ? means nothing is recordedAggregated, often community-reported information, not official documentation. Do not rely on it for installation, purchase or compliance decisions; always confirm values with the manufacturer’s official documentation. Charged Reviews accepts no responsibility for errors.

Charged Reviews · Quick reference

EG4 WallMount All Weather 280Ah · WP-16/280-1AWLL

Warranty

Warranty term10 years[2, 4]
Warranty cycle limit?
Warranted throughput?
Capacity retention?
Cycle rating8,000 cycles[2]
Estimated throughput82.6 MWh[2]
Coverage starts?
Coverage conditions?
Remedy?
Labor and shipping?
Transfer to another ownerone transfer while remaining at original location[4]Provisional
Registrationregister in first year or supply approved-distributor purchase proof[4]Provisional

Certifications and listings

UL 1973ClaimedListed when checked[18]
UL 9540?
UL 9540A?
UN 38.3?
IEC 62619?
CE?
ANSI/CAN/UL 1973VerifiedListed when checked[5, 15]
ANSI/CAN/UL 9540VerifiedListed when checked[6, 16]
CECClaimedListed when checked[17]

Documents and sources

  1. EG4 WallMount All Weather product pageOfficial product page · Revised Not stated · Checked https://eg4electronics.com/categories/batteries/eg4-wallmount-all-weather-battery/
  2. EG4 14.3 kWh PowerPro WallMount AW specification sheetOfficial datasheet · Revision 1.2.1 · Revised Not stated · Checked https://eg4electronics.com/wp-content/uploads/2024/04/EG4-14.3kWh-PowerPro-WallMount-AW-Spec-Sheet.pdf
  3. EG4 14.3 kWh PowerPro WallMount AW manualOfficial instruction manual · Revision 1.6.3 · Revised Not stated · Checked https://eg4electronics.com/wp-content/uploads/2024/04/EG4-14.3kWh-PowerPro-WallMount-AW-Manual.pdf
  4. EG4 WallMount All Weather warranty pageOfficial warranty · Revised Not stated · Checked https://eg4electronics.com/warranty/warranty-eg4-wallmount-all-weather-battery/
  5. WallMount UL 1973 certificate of complianceOfficial document · Revised Not stated · Checked https://eg4electronics.com/wp-content/uploads/2024/04/EG4%C2%AE-14.3kWh-PowerPro-WallMount-UL1973-Certificate-Of-Compliance.pdf
  6. FlexBOSS / WallMount ESS UL 9540 certificate of complianceOfficial document · Revised Not stated · Checked https://eg4electronics.com/wp-content/uploads/2025/01/EG4-POWERPRO-FlexBOSS21-WALLMOUNT-ALL-WEATHER-ESS-UL-9540-CERTIFICATE-OF-COMPLIANCE.pdf
  7. EG4-14.3kWh-PowerPro-WallMount-AW-Spec-Sheet.pdfOfficial datasheet · Revised Not stated · Checked https://eg4electronics.com/backend/wp-content/uploads/2023/09/EG4-14.3kWh-PowerPro-WallMount-AW-Spec-Sheet.pdf
  8. EG4-14.3kWh-PowerPro-WallMount-AW-Manual.pdfOfficial instruction manual · Revised Not stated · Checked https://eg4electronics.com/backend/wp-content/uploads/2023/09/EG4-14.3kWh-PowerPro-WallMount-AW-Manual.pdf
  9. EG4%C2%AE-14.3kWh-PowerPro-WallMount-UL1973-Certificate-Of-Compliance.pdfOfficial certificate · Revised Not stated · Checked https://eg4electronics.com/backend/wp-content/uploads/2023/09/EG4%C2%AE-14.3kWh-PowerPro-WallMount-UL1973-Certificate-Of-Compliance.pdf
  10. EG4-280Ah-AW-Conduit-Box-Quick-Start-Guide.pdfOfficial instruction manual · Revised Not stated · Checked https://eg4electronics.com/wp-content/uploads/2024/05/EG4-280Ah-AW-Conduit-Box-Quick-Start-Guide.pdf
  11. EG4 WallMount All Weather Battery – Spec Sheet (Spanish) v1.2.1Official datasheet · Revised Not stated · Checked https://eg4electronics.com/wp-content/uploads/2025/02/EG4-WallMount-All-Weather-Battery-Spec-Sheet-Spanish.pdf
  12. EG4 WALLMOUNT ALL WEATHER BATTERY – UL 1973 – Certificate Of ComplianceOfficial certificate · Revised Not stated · Checked https://eg4electronics.com/wp-content/uploads/2024/04/EG4®-14.3kWh-PowerPro-WallMount-UL1973-Certificate-Of-Compliance.pdf
  13. BigBattery product page: EG4 WallMount 280Ah All Weather (SKU FEWPP-48143-G1), September 28, 2026 capturePaid link.Distributor product page · Revised Not stated · Checked https://bigbattery.com/products/48v-eg4-powerpro/
  14. EG4 18kPV + WallMount All Weather Battery ESS, EG4 ESS page (November 1, 2026 capture)Official product page · Revised Not stated · Checked https://eg4electronics.com/categories/ess-systems/eg4-18kpv-wallmount-all-weather-battery-ess/
  15. ETL directory battery listing for EG4 Electronics LLCIssuer record · Revised Not stated · Checked https://ramuk.intertekconnect.com/webclients/its/dlp/products.nsf/4c8700f3b75987a08525777700583333/b6de5cbe6c90d59e86258dc7002c4eee?OpenDocument
  16. ETL directory energy-storage-system listing for EG4 Electronics LLCIssuer record · Revised Not stated · Checked https://ramuk.intertekconnect.com/webclients/its/dlp/products.nsf/4c8700f3b75987a08525777700583333/a3f168ae61daccc286258e090052bb4a?OpenDocument
  17. CEC Battery List · September 1, 2026Issuer record · Revision September 1, 2026 · Revised Not stated · Checked https://solarequipment.energy.ca.gov/Home/BatteryList
  18. CEC Battery List, official spreadsheet (data unchanged since October 1, 2026; downloaded October 11, 2026)Issuer record · Revised October 1, 2026 · Checked https://solarequipment.energy.ca.gov/Home/DownloadtoExcel?filename=BatteryList