Harris Battery Lithium (LiFEPO4) Renewable Energy Storage provides a wide range of capacities of Lithium Battery Storage for renewable energy and stationery standby/backup power. Harris Battery Lithium storage packs are integrated with a UL 991 and 1998 Certified Battery Management System with user interface for maximum safety and control and is compatible with most industry standard inverters and charge controllers for easy drop-in storage replacement.

Engineered and Manufactured in America, Harris Battery Lithium Energy Storage packs are backed by a 10-year warranty.

Connect with us for custom engineered solutions to maximum power and capacities for your equipment and facilities.

• Additional product configurations available with some models.
• Harris Battery provides responsible battery recycling services.
• Warranty references product application.
• Image and dimensions may differ from actual product available.
• Have a question? Contact us with your inquiry!


Part # RELi48-31.0
Volts 51.2
BCI Group Size -
Cold Cranking Amps @ 0°F -18°C -
Reserve Capacity @ 25 Amps -
Kilowatt Hour Capacity 31


inches millimeters
Length 36 (+/- 0.5) 914.40 (+/- 12.7)
Width 36 (+/- 0.5) 914.40 (+/- 12.7)
Height 17 (+/- 0.5) 431.80 (+/- 12.7)
lbs kg
Weight 775.00 351.53