Panasonic Eneloop Pro rechargeable AA battery pack of 4
 
Features of Eneloop PRO batteries
Eneloop technology: extra high capacity NiMH batteries ideal for devices with high power consumption such as digital cameras.
Pre-charged and ready to use straight from the pack.
Recharges up to 500 times. You'll use hundreds of alkaline batteries just to match the overall life and performance of Eneloop batteries.
Low self discharge means eneloop batteries are still ready for use even after long periods of storage - up to 85% after 1 year!
Environmentally friendly - Eneloop batteries and packaging are completely recyclable.
Rechargeable on most standard & fast chargers designed for NiMH batteries.
Made in Japan.