588VF Lithium Battery High-capacity Lithium Battery Rechargeable Power Tools For Electric Drill Angle Grinder Accessories Products Details: 100% new and high quality cells 1.Voltage:18-21V 2.Capacity:4.5Ah 3.Battery Type:Li-Ion 4.Condition:New Replacement 5. Warranty :1 Year Warranty + 30 Days Money Back 588VF Lithium Ion Battery Voltage: 18-21V Capacity: 4.5Ah Number of cells: 15 Number of battery layers: 3 layers 15 lithium batteries, long-lasting battery life. 200% increase in battery runtime Adapted to 18V Makita battery √ compatible for 18V B series lithium battery,such as BL1850B(197285-8),BL1840B(197270-1),BL1830B(197602-2),BL1430B(197618-7),BL1820B(197487-6); √ compatible for BL1850,BL1840,BL1440(196391-6),BL1415(194560-3),BL1815N(196781-3); × NOT compatible for G Series battery such as BL1813G(196663-9) BL1413G(196882-7) BL1415G BL1430G BL1815G and so on × NOT compatible for 18v Ni-CD battery such as 1822(194465-7)