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Soccerguy77's Crazy Blog ^_^: Difference Between an AA Battery and an AAA Battery
Amazon.com: EBL 48 Counts AA Batteries and AAA Batteries Combo Pack - High Capacity 24 Double A and 24 Triple A Batteries 1.5V High Performance Alkaline Battery with Longer Year Shelf Life :
Powerowl 24 Pack Rechargeable AAA Batteries 1000mAh NiMH, High Capacity Low Self-Discharge Triple a Battery - Walmart.com
power supply - How much current can you pull safely off a standard AAA battery? - Electrical Engineering Stack Exchange