20V MaxLithium 4.0 Ah Battery

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

Additional information

Weight 1.6 oz