Battery Charger for pencil (AA) and AAA batteries type NiMH and NiCd, battery tester and charging indicator Multi-function battery charger We have made for you a clever 4-slot battery charger, which is characterized by its versatility - it allows charging NiMH, NiCd and alkaline batteries.In addition, the AlzaPower Quadro Charger AP-400B has a range of practical features. They will appeal to youtheir functions The AlzaPower Quadro charger offers the option of combined charging of NiMH and NiCd batteries, LED indication for each slot, or automatic charging termination at full charge or nine hours. Quadruple securityprotection We also thought about safety, so the charger is equippedprotection against incorrectly inserted cells, overvoltage, overheating, overcharging and short circuit. We do everything possible to make our products as safe as possible....