These are your standard 1.5V AAA alkaline batteries from Rayovac. Don't even think about trying to recharge these. Roughly 750mAh per AAA cell. Combine 4 to get ~6V peak, and ~4.8V as they hit their discharge curve.
Sold in single units.
Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken.