SENIX (2) 20 Volt Max* 5.0 Ah Lithium-ion Battery for SENIX 20 Volt Max* Cordless Lawn and Garden and Power Tools, Fade-Free, Battery Indicator Lights (S2K0B2-03)

Charge Level LEDS help to quickly understand the battery charge remaining. Temperature Protection to prevent damage to the battery if too hot or cold to safely operate. Voltage Protection to extend battery life. Compatibility: Fits all SENIX 20 Volt Max* X2 series battery tools Warranty: 3-year limited warranty for peace of mind