Features: Foam cell technology. Slide on battery – firm holding with multi contacts and shock absorbing pack.
Lightweight and shock-absorbing. The Li-ion range delivers 430% more working capacity during it’s lifetime compared to Ni-Cad and is 40% Lighter than Ni-MH.
The Li-ion has minimal depletion of power during use or in storage over it’s lifetime.

Makita BL1840 18v LXT 4.0ah Lithium Ion Battery
18v 4.0Ah Li-ion Battery
Unbeatable 36 minute charge time.
Same weight as 3.0Ah battery.
Works with your current Li-ion Chargers.
Longer run time and battery life.