POWEROWL 16 Bay AA AAA Battery Charger (Updated, High Speed Charging) with Smart LED Light and Plug, for NIMH NICD Rechargeable Batteries and More

Customers find this battery charger to be the best for AA and AAA batteries, with the ability to charge up to 16 batteries at once and save money compared to disposable ones. They appreciate its ease of use, with one customer noting how easy it is to insert AA cells. The charging speed and reliability receive mixed feedback - while some say it charges batteries fast, others report it takes two days for a full tray, and some units stop working. Battery life is also mixed, with some units lasting a good while throughout the day while others die after minimal use.