Energizer Power Plus Rechargeable AA Batteries (4 Pack), Double A Batteries

Customers find these rechargeable AA batteries work well with various devices, particularly Canon flash units and Xbox controllers, and appreciate their high capacity of 2300 mah per battery. Moreover, they deliver excellent power, with one customer noting they effectively power speedlight flashes, and customers consider them worth the price. However, the battery life receives mixed feedback, with some customers reporting they hold their charge well while others say they don't last long.