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.

5020022 Ansmann Photo Lithium Battery. Replaces CR2, DLCR2, EL1CR2, ELCR2T, KCR2.

This Energizer 9V Ultimate Lithium Battery is perfect for powering a range of devices. It has a long, 10 year shelf life which will allow you to keep a spare handy without worrying that it will lose its charge.