Energizer Recharge Universal Rechargeable AA Batteries (16 Pack), Double A Rechargeable Batteries

Customers find these rechargeable batteries to be of excellent quality and reliable, working well in solar lights and other devices. They appreciate the compatibility, with one customer noting they fit in anything AA required. The battery life and charging performance receive mixed feedback - while some say they last longer than regular batteries and recharge quickly, others report they don't last as long and don't come fully charged. Power levels are also mixed, with some customers praising their power while others note they only provide 1.2 volts.