Makita BL1840B (196399-0) 18v 4.0Ah Lithium-Ion Battery Ten Pack. The Makita BL1840B battery is 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. The BL1840B includes battery capacity indicator LED's which show you how much power you have left at the touch of a button.

Brand Name	Makita
Manufacturer Model No	MAKBL1840X10
Voltage	18v
Battery Type	Lithium-Ion
Battery Capacity	4.0Ah
Weight	1kg (approx)
Charge Time (DC18SD)	90 mins
Charge Time (DC18RA/DC18RC/DC18RD)	36 mins