Maha Powerex PRO AA 2700mAh Rechargeable Batteries, 4 Pack with case

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.

9V 650mAh Lithium Polymer Rechargeable Battery are specifically designed to meet the demand of sound and audio professionals.

Years of R&D have gone into testing Stryka 9V Lithium batteries for cordless mics. Syryka have packed as much power as possible into this battery whilst still maintaining the reliability and performance that professionals demand.

• The Jupio USB Fast Charger works with 8 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 8 batteries at once, but you can also charge 1 battery if you like because of the 8 separate charge channels.
• UNCONDITIONAL WARRANTY: Extensive 3-Year no-nonsense warranty