Ideabright ltd description makita makita 18v 4. 0ah li-ion batterymakita bl1840 18v 4. 0ah li-ion battery (196399-0)- unbeatable 36 minute charge time. - lightweight and shock-absorbing- same weight as 3. 0ah battery. - works with your current li-ion chargers. - longer run time and battery life. - foam cell technology. - will not puncture and remains cool even in heavy use. - the li-ion range delivers 430% more working capacity during it'spared to ni-cad and is 40% lighter than ni-mh. - minimal depletion of power during use or in storage over it's lifetime. - all new 4. 0ah modelspatible with 18v 3. 0ah li-ion batteries. makita bl1840 (196399-0) 18v 4. 0ah li-ion battery specification : -- brand : - makita- product code : - bl1840- battery ah : - 4. 0ah- battery type : - li-ion - voltage : - 18vend of ideabright ltd description