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The Makita BL1850B is a 5.0Ah 18V LXT lithium-ion pack, the mid-capacity battery in Makita's LXT line. It has a four-stage LED fuel gauge on the front so you can check charge without a tool. It fits LXT tools with the star symbol or yellow battery receiver, which carry Makita's Star Protection electronics. Against the smaller 3.0Ah and 4.0Ah packs it runs longer; against the 6.0Ah it is lighter and cheaper to own, and owners generally rate the LXT packs for long service life.
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Lowest price we've seen: $91.50 on Nov 15 at Amazon. Tracked across 2 stores since Nov 15.
Owners of Makita LXT tools rate the 5.0Ah pack as a dependable workhorse, with the fuel gauge and runtime called out as the main draws. Complaints center on weight and on packs that fail early.
The Makita BL1850B is an 18V LXT lithium-ion battery with a 5.0Ah capacity. It adds runtime to a compatible Makita LXT cordless tool collection.
An onboard LED charge indicator shows the charge level. The battery works with Makita LXT Star Protection tools that have a star symbol and/or a yellow battery receiver.


