GP ReCyko M451 Battery Charger USB + 4xAA Batteries 2600mAh An elegant and fast battery charger with smart safety and technical features that can charge up to four AA or AAA batteries at the same time. With its perforated cover, it doubles as a stylish battery case, keeping your batteries protected at home or on the go. M451 charger It takes 2+ hours for the M451 to fully charge two batteries, or 4+ hours to fully charge four batteries (2600mAh AA batteries) via USB connector. The two-color LEDs indicate the charge status and whether any disposable or bad batteries have been inserted into the charger. Another safety feature is the -dV-full charge monitor which shuts off the charger when the batteries are fully charged. This prevents over-charging, over-current and short-circuiting, and improves the life of the batteries. This versatile charger works with USB or any GP ReCyko charging station (specially developed for ReCyko charging models B421, M451 and P461). With four rechargeable 2600mAh AA batteries included, everything is ready to get started with this optimal charging solution. Properties : The charger handles: AA/AAA Charging time: 2-4 h Charging channels: 4 Power source: USB LED indicator: Yes Timer: Yes, 8 h Battery included: 4x GP ReCyko AA 2600mAh 1.2V Brand : GP Batteries