Reliable runtime - take on tough jobs with this battery that delivers a 5 Ah capacity for consistent runtime on the jobsite State-of-charge - get quick visibility to your battery's state-of-charge with the LED indicator to help avoid interruptions Part of the 20V MAX system - this battery is compatible with 20V MAX tools and chargers Power your 20V MAX tools with this 20V MAX 5 Ah battery that features the runtime and performance needed for tough jobs. These batteries are compatible with 20V MAX tools and chargers.