eneloop AA and AAA NiMH ready to use rechargeable batteries utilize Panasonic advanced rechargeable battery technology, allowing them to be recharged up to 2100 times. eneloop AA and AAA rechargeable batteries deliver consistent power performance, maintain 70% of their charge for up to 10 years, come pre-charged by solar power (at the factory) and are ready to use out of the package. These eneloop batteries also feature extreme temperature performance down to -4 deg F. Pair eneloop and eneloop pro AA and AAA batteries with Panasonic advanced, quick advanced, or super quick advance eneloop chargers to maximize your rechargeable battery experience. The Panasonic BQ-CC17, 4-position Ni-MH battery charger delivers advanced, individual cell charging capabilities. Ideal for use at home, in the office, or on the road, this Panasonic CC17 charger is a convenient way to recharge any combination of up to four AA or AAA Ni-MH eneloop, eneloop pro, or conventional Ni-MH rechargeable batteries. The CC17 charger also features 4 LED charge indicator lights and a retractable AC plug. This advanced AC charger is designed to charge battery cells individually; allowing you the freedom to completely charge fully discharged cells or just top off the charge of AA or AAA cells that are only partially drained. The single cell charge capability allows any combination of one, two, three or four AA or AAA Ni-MH batteries to be charged at the same time.SECURE, PROTECTIVE PACKAGING: This package contains 6 eneloop AA rechargeable batteries, 6 eneloop AAA rechargeable batteries (made in Japan), and one CC17 advanced rechargeable battery charger; packaged together in the U.S.A. 4 INDIVIDUAL LED INDICATORS: The CC17 battery charger features 4 separate LED charging lights, one for each unique charging station. ADVANCED CHARGING CAPABILITES: The Panasonic CC17 battery charger individually charges each eneloop AA and AAA rechargeable battery, resulting in a perfect, full charge every time. HUNDREDS OF HOUSEHOLD DEVICES: Perfect for use in hundreds of household devices, these eneloop AA and AAA rechargeable batteries can be used in remote flashlights, toys, digital camera flash units, game controllers and more. PRE-CHARGED AND READY TO USE: eneloop AA and AAA rechargeable batteries are pre-charged at the factory using solar power and maintain up to 70% of their charge after 10 years (when not it use). POWERFUL NiMH RECHARGEABLE BATTERIES: eneloop AA Ni-MH pre-charged rechargeable battery deliver up to 2000mAh typical, 1900mAh minimum; eneloop AAA rechargeable batteries deliver up to 800mAh typical, 750mAh minimum. LONG LASTING PERFORMANCE: Recharge eneloop AA and AAA rechargeable batteries up to 2100 times.