Includes 8 AA and 4 AAA eneloop pro high capacity batteries and a Panasonic 4-position battery charger (BQ-CC17). eneloop pro AA and AAA NiMH ready to use rechargeable batteries utilize Panasonic advanced rechargeable battery technology, allowing them to be recharged up to 500 times. eneloop AA and AAA rechargeable batteries deliver consistent extreme power performance, maintain 85% of their charge for up to 1 year (when not in use), come pre-charged by solar power (at the factory) and are ready to use out of the package. These eneloop pro batteries also feature extreme temperature performance down to -4 deg F. 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 advanced eneloop pro charger features 4 LED charge indicator lights and a retractable AC plug. Pair eneloop and eneloop pro AA and AAA batteries with Panasonic advanced, quick advanced, or professional advanced eneloop chargers to maximize your rechargeable battery experience.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. EXTREME TEMPERATURES: eneloop pro rechargeable batteries can used in extreme temperatures, down to -4 deg F. PRE-CHARGED AND READY TO USE: eneloop pro AA and AAA rechargeable batteries are pre-charged at the factory using solar power and maintain up to 85% of their charge after 1 year (when unused and properly stored). LONG LASTING PERFORMANCE: Recharge eneloop pro AA and AAA rechargeable batteries up to 500 times. EXTREMELY POWERFUL NiMH RECHARGEABLE BATTERIES: eneloop pro AA high capacity Ni-MH pre-charged rechargeable battery deliver up to 2600mAh typical, 2500mAh minimum; AAA batteries 980mAh typical, 930mAh minimum.