Collection: Batteries résidentielles ESS LiFePO4

Add battery storage to your home solar system with a residential energy storage system (ESS) built to pair with a grid-tie or hybrid inverter. This collection ranges from single 5kWh units — like the GSL Energy Powerlite and Growatt ALP LV-US, both 48-51.2V — up to expandable systems reaching 20kWh–61.44kWh and 5kWh–40kWh, so you can start with the capacity you need today and scale up later without replacing the whole system.

Most batteries here support parallel connection for exactly that kind of expansion, along with module-level optimization and balancing so mixed old and new modules — even at different states of charge or health — can run together in the same bank. All are cobalt-free LiFePO4 chemistry with built-in BMS protection against overheat, overcharge, short circuit, and smoke, and CAN/RS485 communication for integration with your inverter's monitoring system. Options like the Growatt APX line use a high-voltage (330V-450V) architecture for reduced losses on larger installs, while the GSL 14.34kWh unit adds IP65-rated outdoor housing for garage, shed, or exterior wall mounting. Higher-capacity systems here, rated for 90% depth of discharge and operating from -10°C to 50°C, hold up well through a Canadian winter.