Revitalize your age 14.4 volt Makita tools installing high performance Makita 14.4 volt, 2.6 ampere-hour nickel metal hydrate battery No 193158-3. Ni-MH battery can be recharged hundreds of times with the letter, I do not remember any effect on the cells of the battery. 193158-3 replaceable battery can be used for all 14.4-volt Makita cordless tools and will soon discover the technology to survive and Ni-MH Ni-Cad batteries, the fort more than 70% or more. When time is money, the more you can use a tool without having to recharge the battery, the more time you save on each project. – C. Dwight Barnett Compatible with: Makita Tools, Battery Amp / Hour: 2.6, Battery Type: Ni-MH Volt: