Replaces BL1815 / BL1820Makita BL1830B 18v LXT 3.0Ah Li-Ion Battery The Makita 18v 3.0Ah Lithium-Ion battery contains high energy density technology. Being Lithium-Ion, the BL1830B has no memory effect and is much lighter than other battery chemistries. 22 minute re-charge in DC18RC charger as well as battery capacity indicator LED\'s which show you how much power you have left at the touch of a button. Fits all Makita 18v LXT Li-Ion tools with Makita \'Star\' technology so if your tool also has a \'Star\' you can be assured of battery protection. 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. When new, these batteries require approx. 6 to 8 full charges to reach their optimum performance. Replaces BL1815 and BL1820. MAKITA BL1830 FEATURES Unbeatable performance with 100% genuine Makita batteries Battery capacity indicator LED\'s show how much juice you have left on demand Lithium-Ion technology Long battery life, takes over 2,000 charges Lightweight and shock-absorbing 18v, 3Ah gives plenty of power No memory effect Very little self discharge Makita \'Star\' protection MAKITA BL1830 SPECIFICATION Battery Voltage: 18V Capacity: 3.0Ah Model: BL1830 (194204-5) Charge Time (DC18SD): 60 mins Charge Time (DC18RA/DC18RC/DC18RD): 22 mins