The Panasonic CC87, 4-position Ni-MH battery charger can quickly, and individually charge any combination of up to four AA or AAA Eneloop batteries; charging time 4AA (4.5hrs.), 4AAA (4hrs.), 2AA (2.5hrs.), and 2AAA (2hrs.) individual charging means you can easily and efficiently charge from 1 to 4 batteries with differing levels of remaining charge. A huge time saver! The CC87 features a USB DC 5V output, which uses the stored battery power to charge mobile phones and other devices. Alkaline batteries can be used in the mobile charging mode to power other devices. However, alkaline batteries cannot be charged in the CC87. This charger also features 4 individual LED charge indicator lights. Once batteries are installed, the charger measures each cell and the corresponding light indicates the remaining charge; Green 80-100%, Orange 20%=80%, and red 0%-20%. after each battery reaches the next level of charging the LED light changes to indicate the cells charge level. When the battery is completely charged, the LED light turns off for that cell. Ideal for use at home, in the office, or on the road, this Panasonic CC87 charger is a quick and convenient way to recharge any combination of up to four AA or AAA Ni-MH Eneloop, Eneloop Pro, or conventional Panasonic Ni-MH rechargeable batteries.