Battery Type Li ion, Voltage 18V, Capacity 3.0Ah, Battery Cell LG or SAMSUNG.
Replacement battery for HITACHI BSL1815X BSL1830 330139 330557.Products are tested by manufacturer to match OEM products. Fully compatible with all Hitachi slide style 18 volt cordless tools
Overcharge and over discharge protection to increase the life of the battery. No memory effect and low self discharge for maximum productivity and less downtime.