Solis FlexHome-L 5kWh LV Stackable Battery Module

The Solis FlexHome-L 5kWh is a low-voltage lithium-ion battery module with LiFePO4 chemistry, designed for residential energy storage and daily cycling applications. The stackable design allows expansion up to 4 units in parallel for a maximum system capacity of 40 kWh, making it flexible for various installation scenarios.

The module features IP66 protection rating for indoor and outdoor installation, natural passive cooling for silent operation, and a 100% depth of discharge. It operates at 44.8–57.6 V with a recommended charge/discharge rate of 0.5C and supports CAN/RS485 communication. The battery includes integrated heating functionality for operation in cold temperatures down to −20 °C.

Dimensions are 800 × 480 × 285 mm with a weight of 70 kg. The unit is compatible with multiple Solis hybrid inverter models and requires a separate control box (Solis-FH-CB210A-L) for operation. Cycle life exceeds 6000 cycles over 10 years at specified test conditions.