Usage Tips:Compatible Charger Compatible with Black Decker 9.6V-18V slide-in style Ni-Mh Ni-Cd batteries such as 12V HPB12, FSB12, FS120BX, A12, A12EX, FS120B, A1712;14.4V: A14, A144, A144EX, A14F, HPB14, FSB14, FS14BX, FS140BX;18V: HPB18, HPB18-OPE, FS18BX, FS18FL,244760-00, A1718, A18 etc.(not for lithium battery) Compact Size & Easy CarryingNiCad/NiMh dual chemistry slow charger is tested to match OEM product specifications, its full charge time is 7-10 hours, replacement charger 90556254-01 90592360-01 90571729. The sizecompact is convenient for transportation or business trips. Charging Specification: EU Plug.Input: 100-240V, Output: 9.6V-18V, 500mA.Maintenance mode automatically optimizes charging for longer battery life. Functional Design: Charger built-in protection design to avoid potential damage from overcharging, overheating and short circuit. Real-time LED indicator shows charging status whether the battery is charging, fully charged or defective.