This battery bundle pairs two sets of Panasonic eneloop pro rechargeable batteries with advanced charging capabilities to power your devices. The first component contains 6 AA and 6 AAA eneloop pro batteries that can be recharged up to 500 times. These high capacity batteries deliver extreme power - AA batteries provide a minimum of 2450 mAh while AAA batteries provide a minimum of 900 mAh. The included CC55 quick charger can fully recharge 2 batteries in 2 hours or 4 batteries in 4 hours, allowing you to conveniently revive your eneloop pros. The second component includes 16 AAA eneloop pro batteries, also providing 900 mAh minimum power. With extreme temperature performance down to -4°F, these versatile batteries reliably operate flashes, toys, game controllers and more. Together these components offer the ultimate recharging convenience. Keep the AA/AAA charger and batteries at home for powering daily devices, while stocking up on extra AAAs for travel and on-the-go use. With pre-charged solar power and the ability to maintain 85% of their charge for a year, eneloop pros arrive ready to use when you need them.