Skip to content
Contact Us Price Match Guarantee FAQs Why Buy From Us About Us Customer Reviews Installer Program
EG4 48V 280Ah WallMount Indoor Battery

EG4 WallMount 48V 280Ah Indoor Battery
Save 2% Save 2%
$3,765.00
$3,765.00 - $3,765.00
$3,765.00
$3,699.95
$3,699.95 - $3,699.95
$3,699.95
✓ Brand New: In Stock Ready To Ship
✓ FREE Shipping Over $3000
✓ Become an EG4 Installer
✓ Questions? Talk to a EG4 Expert: 1-303-876-7654

EG4-WallMount Indoor Battery | 48V 280Ah | 14.3kWh | Indoor | Heated UL1973, UL9540A

The WallMount Indoor 14.3kWh batteries are a reliable solution for low-voltage residential energy storage indoors. Built with lithium iron phosphate cells, they offer top-tier safety and durability. An intelligent Battery Management System (BMS) continuously tracks key metrics, including individual cell voltage, overall module voltage, current, and temperature in real-time. Additionally, the BMS features a passive balancing function and an advanced control system, enhancing the battery pack's overall efficiency and performance.

Includes: (1) 1 foot RS485 Communication Cable and (1) Set of Parallel Cables per battery. (1) RS485 USB Battery Comm Cable PER (6) BATTERIES


EG4-WallMount Indoor Battery | 48V 280Ah

EG4 48V 280Ah WallMount Battery Specs

  • Voltage: 51.2V
  • Total Energy Capacity: 14.3kWh
  • Capacity: 280Ah
  • Charging Voltage (Bulk/Absorb): 56.0V (+/-0.8V) to 56.2V (+/-0.2V)
  • Float Voltage: 54V (+/-0.2V)
  • Low DC Cutoff: 44.8V (adjustable start from 47V to 45.6V)
  • Charging Current: Up to 200A (continuous), recommended range: 60A - 160A
  • Discharging Current: Up to 200A (continuous), recommended: 160A
  • Charging Range: 32°F to ≈113°F
  • Discharging Range: -4°F to ≈122°F
  • Storage Range: -4°F to ≈122°F
  • Overcharging Protection: >205A (10 sec), >225A (3 sec)
  • Temperature Protection: <23°F or >158°F (1 sec), less than-5°C or >70°C (1 sec)
  • Communication Ports: RS485/CAN Can be customized
  • Cycle Life: >8000 Cycles, 80% Depth of Discharge (DOD)
  • Design Life: Over 15 Years
  • Weight: 282.2 lbs
  • Safety Certifications: UL1973, UL 9540A (Testing)

EG4 48V 280Ah WallMount Battery Features

  • On-Board LCD Touch Screen: Easy to see BMS monitoring, and selectable closed-loop communications with EG4, Schneider, Sol-Ark, Victron, Growatt, Megarevo, Luxpower, and Deye inverters.
  • Dual On-Board Fire Arrestors: Offer fail-safe protection against thermal runaway.
  • The Perfect Partner to EG4 Inverters: The optional conduit box mates up directly to the connection ports of EG4 inverters allowing a sleek and efficient installation. For other inverters or stand-alone battery installation, the conduit box plugs should be installed.
  • Integrated Busbars: The battery design comes manufactured with 600A internal busbars with multiple terminals (4 positive & 4 negative) eliminating the need for external busbars when paralleling batteries and/or multiple inverters.
  • Innovative Emergency Stop Function: The optional ESS disconnect can shut down all batteries and inverters (if equipped with rapid shut down capability) with the press of a button.
  • Integrated Self-Heating Feature: Internal heating keeps cells operating during cold temperatures.

Your Satisfaction with EG4 is Guaranteed:

  • 10-Year Limited Warranty
  • Lowest Price Guarantee