The Li-ion range delivers 430% more working capacity during its lifetime compared to Ni-Cad and is 40% Lighter than Ni-MH

CONVENIENCE : Compatible only with Makita 18V Lithium-Ion tools with Star Symbol™ and/or Yellow Battery Receivers Makita BL1850 18V 5.0Ah Lithium-Ion Battery offers excellent run time and is the same weight as a 3.0Ah battery.Makita Lithium-ion Batteries support a constantly growing number of products. See the full range of Makita batteries or the full Makita 18v Cordless Tools. EFFICIENCY : Integrated L.E.D. battery charge level indicator allows user to monitor battery charge This BL1850B 5.0Ah battery is compatible with all Makita 18v Li-ion tools that have a star symbol on the connector plate, or a yellow connector plate with a star on, or have a yellow connector plate only. Makita 18V Lithium-Ion is the world's largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery Compatible only with Star Protection tools, indicated by the Star Symbol™ and/or Yellow Battery Receiver under the tool

Equipped with Star Protection Computer Controls™ to protect against overloading, over-discharging and over-heatingBattery delivers consistent power and run time in extreme temperatures, even in winter (-4°F/-20°C)