4Pack 18V HPB18 Replacement for Black and Decker 18 Volt 4.5Ah NI-MH Battery HPB18-OPE 244760-00

Fully compatible with all Black and Decker 18v outdoor power tools. Replacement for HPB18-OPE 244760-00 Firestorm FS18HV FS18ID FSB18 FS18HV FS18PS FS18BX FS180BX FEB180S, for Black and Decker models NST2018, NST1810, NHT518, NS118, NPP2018, NPT3118 Built-in protection against potential damage caused by overcharging, overheating and short-circuit protection. Optimizes battery life by actively controlling current, voltage and temperature No memory effect, can be charged or discharged as need without loss of capacity