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AA, AAA, C and D batteries have the same voltage (1.5 V). What charge capacity (mAh) do each of them usually have? - Quora
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Regular AA & AAA batteries are rated 1.5V and rechargeable ones are rated 1.2V why the dif and does it make a dif to the devices using them? - Quora
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Alkaline AAA batteries - 3 pack : ID 3520 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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