[Ray’s] breadboard power supply lets you drain the last traces of power from ‘dead’ AA batteries. Electronics that are powered off of disposable alkaline batteries have a cutoff voltage that ...

These rechargeable batteries use NIMH battery chemistry. The AA battery stores up to 2,000mAh and the AAA battery up to 850mAh of power. Eneloop batteries are precharged and are ready to use out ...