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https://www.eabattery.com/products/15kwh-51.2v-300ah-solar-off-grid-battery-backup/


EA ENERGY's 51.2V 300Ah LiFePO4 battery is a high-performance solution for residential solar energy storage, designed to deliver 15.36kWh capacity (51.2V × 300Ah). Engineered with A-grade LiFePO4 cells, it ensures 6,000+ cycles at 80% depth of discharge (DoD), providing over 10 years of reliable service with minimal capacity degradation.

Key Features：

Modular Scalability: Supports parallel connections to expand capacity up to 15kWh, adapting to household energy demands.

Advanced Safety: Integrated smart BMS prevents overcharge, overheating, and short circuits, compliant with UN38.3 and IEC62619 certifications.

Robust Performance: Operates efficiently in -20°C to 60°C environments, featuring IP65-rated protection for dust/water resistance.

Eco-Friendly Design: Non-toxic LiFePO4 chemistry reduces environmental impact compared to lead-acid batteries.

Applications：

Ideal for off-grid solar systems, emergency backup, and peak-shaving, this battery integrates seamlessly with inverters via CAN/RS485 communication. Its plug-and-play design requires no maintenance, eliminating traditional lead-acid battery hassles like watering or equalization.

Specification of 15KWh 51.2v 300Ah Solar Off-Grid Battery Backup
Model EA51300H Continuous Charge 30A~100A
Nominal Voltage / Discharge Voltage Range 48V (51.2V) Maximum Continuous Charge 100 A
Nominal Capacity 300Ah Continuous Discharge Current 200A
Stored Energy 15360Wh Maximum Continuous Discharge Current Peak 300A 30s
Weight 175KG / 385.81 lbs Cycle Life ≥4000 Cycles
Dimension(L×W×H) 470*270*750 mm Casing Material Steel
18.5 x 10.62 x 29.5 inch
Charge Temperature Range 32°F~131°F Compatible inverter Huawei、Sungrow、Sungrow、Goodwe、Riyueyuan、Deye
(0°C ~ 55°C)
Discharge Temperature Range -4°F~131°F Safety Features BMS, Over Charge/Discharge,
( -20°C ~ 55°C) Low/High Temp Cut-off,
Over Current, Short Circuit

Features of 15KWh 51.2v 300Ah Solar Off-Grid Battery Backup
Fast Charging
Supports 100A continuous current for rapid energy replenishment.

Compact Design
Wall-mountable and floor-standing configurations save space

EA ENERGY’s system prioritizes sustainability and safety, making it a top choice for grid-independent living. For specifications, refer to OEM partners or certified distributors.