This is an authentic Hitachi BSL1815X battery and charger set that has been tested and confirmed to be in working order. The lithium-ion battery has a capacity of 3 Ah and the charger is designed for 18V power tools. The set is black in color and is an OEM product from Hitachi.

The brand of this battery and charger set is Hitachi and it is suitable for use with power tools. The battery technology used is Lithium-Ion and it has a battery capacity of 3 Ah. The voltage required for these tools is 18V. The product is black in color and the model number is BSL1815X. This set is a genuine Hitachi OEM product and has been tested to ensure that it works properly.