Safe and Robustness: LiFePO4
battery cell with higher safe performance and longer cycle life.

Discover the Felicity Solar FLH48100UG2 Battery with 25.6-87.04kWh scalable system energy, 90% discharge depth, and built-in BMS for efficient energy storage.
The Felicity Solar FLH48100UG2 battery is designed for high-efficiency energy storage solutions. With a system energy of 25.6 to 87.04kWh (5-17 modules in series) and a 90% discharge depth, it ensures optimal performance and reliability. Equipped with a built-in BMS and RS485 communication interfaces, this battery is ideal for modern energy needs.




Felicity battery not charging? Below 0°C the BMS blocks the charge, a charge voltage under 57.6 V never fills the pack, and codes C01–C08 explain the rest.
Read: Felicity Battery Not Charging? Codes, Causes & Fixes →A long outage drained the battery, the grid came back shaky, and now there is a code on the screen. What 04, C02, 27 and the grid-return alarms really mean.
Read: Felicity Inverter Error After a Power Cut? What It Means →Inverter cutting out on hot afternoons? Error 18, T-REX 35/F35, E-CHO E12/E13, MPPT 87 and battery C09 — the official Felicity heat codes and their fixes.
Read: Felicity Inverter Overheating? Error 18 & Heat Codes →The FLH48100UG2 battery has a system energy capacity of 25.6 to 87.04kWh (5-17 modules in series) and supports a discharge depth of 90%. It is equipped with a built-in Battery Management System (BMS) for optimal performance.
Yes, the FLH48100UG2 battery is designed to be compatible with various solar energy systems, thanks to its RS485 communication interface which allows seamless integration.
The specific dimensions and weight of the FLH48100UG2 battery are not provided in the key specifications. However, it is designed to be robust and suitable for various installation environments.
Installation should be performed by a qualified technician, ensuring proper connection to the solar system and adherence to safety standards. The battery should be installed in a location within its operating temperature range of -20°C to 55°C.