ECO-WORTHY PowerMega 314 Battery vs EG4 PowerPro 48V 280Ah Battery
Both are 51.2V LiFePO4 server-style batteries with 8,000-cycle ratings and strong owner ratings, so the choice comes down to capacity, current and installation. The ECO-WORTHY PowerMega 314 gives you more energy per unit (16.1 kWh vs 14.3 kWh), a higher 200A charge and discharge limit, a built-in 7-inch touchscreen and active cell balancing, but it is IP30 and must stay indoors or in a protected enclosure. The EG4 PowerPro is the tougher, more integrated unit: IP65, wall-mounted, self-heating for cold, and UL 9540A listed with a 10kW continuous output, but it delivers less energy and caps continuous discharge at 140A. Owners of both praise build quality and easy BMS communication; ECO-WORTHY buyers report missing cables and a flaky SOC readout, while EG4 buyers mostly cite the higher capacity per unit as the reason to step up.
- Choose the ECO-WORTHY PowerMega 314 if you want the most kilowatt-hours per unit, need 200A charge or discharge, and can house the battery indoors or in a weather-protected space.
- Choose the EG4 PowerPro if the battery goes outdoors or on an exterior wall, you need cold-weather self-heating and UL 9540A listing, or you want a cleaner wall-mounted install.
Prices
- ECO-WORTHY PowerMega 314 Battery: $2,499.99 at ECO-WORTHY (last seen Nov 13)
- EG4 PowerPro 48V 280Ah Battery: $3,124.99 at Renewable Outdoors (last seen Nov 13)
- Difference: the ECO-WORTHY PowerMega 314 Battery is $625.00 cheaper than the EG4 PowerPro 48V 280Ah Battery at the latest prices (Nov 13)

