The Rockwell MaxLithium 4.0 Ah 20V Battery Pack delivers professional power & longer run times, operating at 100% throughout the life of the charge. Order now!

Powerful 4.0 Amp hour battery delivers professional power, without the harmful emissions
MaxLithium technology provides longer runtimes, higher working efficiency, more charge cycles & minimal self-discharge
Lightweight and ergonomic design helps reduce fatigue over long periods of use
Operates at 100% power throughout the life of the charge
Features built-in battery level indicator
Compatible charger: RW9420