Panasonic K-KJ17KHC82A eneloop pro High Capacity Power Pack, 8AA, 2AAA, with "Advanced" Individual Battery Charger and Plastic Storage CaseThe Panasonic eneloop Pro charger with (8) AA and (2) AAA batteries & Case set takes the guess out out of recharging. A perfect choice for DSLR flash units, game controllers and other devices. They will also perform well in conventional devices that require AA and AAA batteries. They can recharge up to 500 times and perform well at extreme low temperatures, down to -4° F (-20° C). This set includes 8x AA batteries, 2x AAA batteries, a charger and a case.Panasonic BK-3HCCA12FA eneloop pro AA High Capacity Ni-MH Pre-Charged Rechargeable Batteries, 12-Battery Packeneloop 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 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 or eneloop pro chargers to maximize your rechargeable battery experience.