Build a USB Powered AA NiMH and NiCd Battery Charger
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Amazon.com: BULLDOG AIRSOFT Universal Smart AEG Charger Any 6V-12V Battery 1.0A/2.0A & NiMH High Power 9.6V 1600mAh Battery Buterfly Nunchuck Pack AEG Guns Mini Tamiya : Sports & Outdoors
Energizer Recharge Value AA/AAA NiMH Battery Charger review - The Gadgeteer
Multi-Current Universal Smart Charger for Any 2.4-7.2 V NiMH/ NiCd Battery Pack --- CE listed