Self-heating: With built-in auto-heating, you can use the batteries safely in temperatures as low as -4°F.

Stackable and Expandable: Available in two sizes, both 2 and 5kWh stack up to 3 for a capacity of up to 15kWh.

Safety First: Hot-swap enabled.

Advanced BMS Protection Power Kits Battery Management System protects against:

Single-cell over-voltage protection
Single-cell under-voltage protection
Discharging over-current protection
Discharging overheat protection
Discharging low-temperature protection
Charging over-current protection
Charging overheat protection
Charging low-temperature protection