Hahnel Unipal Extra Universal Charger with Powerbank

Universal charger with built in PowerBank
No need for additional power supply - simply connect the charger to any USB power source
Internal PowerBank will FULLY charge iPhone 4 in 15 hours
Internal PowerBank has enough power to almost FULLY charge a DSLR battery
Charges most 3.6V 3.7V 7.2V and 7.4V Li-ion batteries
Charges AA Batteries
Built-in USB socket to charge smartphones tablets etc
LCD display shows battery charge status while charging
Fine adjustment wheels to easily adjust charger contacts
Charging time approx 2 hours per 1000mAh