Sanyo eneloop (4) 2000mAh Pre-Charged AA NiMH Rechargeable Batteries are one of the most environmentally friendly and long lasting batteries available to consumers. Sanyo eneloop batteries retain up to 85% of their charge even after one year. Not only that, but they can be recharged up to 1000 times.
The included charger features LED indicators to inform the user of charging status.