Maha Powerex Precharged AAA 1000 mAh batteries, 4pack with case

• The Jupio USB Fast Charger works with 4 AA or AAA batteries. LCD-display with a backlight which keeps you informed day and night.
• The Jupio USB Battery Fast Charger charges a maximum of 4 batteries at once, but you can also charge 1 battery if you like because of the 4 separate charge channels.
• UNCONDITIONAL WARRANTY: Extensive 3-Year no-nonsense warranty

Energizer innovation strikes again! New enhancements make Energizer Ultimate Lithium batteries the best and longest-lasting disposable AAA batteries. Why go a day without the devices you count on the most? Depend on Energizer Ultimate Lithium batteries for your most critical devices for work, play and home.

This I-Power AA charger features 8 independent charging channels supporting multi-chemistry/multi-capacity simultaneous charging along with smart & fast charging features, such as Auto trickle charge, CC (Constant current), CV (Constant voltage) & safety features like High Temperature, Reverse insert, Defective battery, Non-rechargeable battery , Over Charge protection.

Fast charge Li-Polymer AA 2600 mWh battery in 1.5 hour.
Fast Charging Ni-MH (Ni-CD) AA battery in 2.0~2.5 hours.