Features: -Safe to use, equipped with overload protection, excessive discharge protection and overheating protection. -Suitable for Makita 18V BL1815B, BL1820B, BL1830B, BL1835, BL1840B, BL1850B, BL1855, BL1860B, BL1870B, 194205-3, 194230-4, LXT400. Specification: Voltage: 18V Capacity: 4000mAh Compatible with: cordless tool for Makita BL1820G (BL1813G, BL1811G) 195608-4 Suitable for: For HP457D, TD127D For DF457D, HP457D, JV183D, TD127D, U180D, UH522D, CL183D, DMR106 For DF457DWE, DK18041, DK18015, HP457DWE, MDF452DWEG, MT071E for TD127DWE, UH522DW, UM167DW, UM167DWX, UR180DW Package Included: 1x Battery .