Other Smartphone Accessories - Universal - Convenient 18V 4.0h Replacement Power Tool Battery for Hitachi BSL1830 Highlights Universal Convenient 18V 4.0h Replacement Power Tool Battery for Hitachi BSL1830 Convenient 18V 4.0h Replacement Power Tool Battery replacement power tool for Hitachi BSL1830 Product is shipped based on the color or size of the main product page image. Features: 100% brand new and high quality. Special design replacement power tool battery. Fully tested. It has strict quality control in production. Different conditions, battery capacity can be divided into actual capacity, theoretical capacity, also called rated capacity. Battery capacity refers to the storage capacity of the battery.The unit is "mah", 1Ah=1000mAh, so there are differences between the rated capacity and the actual capacity in the Li-ion battery.C is normal and reasonable.