This charger is more mobile than many others you'll find. A single battery can power the light between the magnets and USB prongs, or a device the LC10 can connect to. Power indicators inside the middle portion will let you know how much of the battery connected to the magnets is still charged.

Features:

• Portable Magnetic Outdoor USB Charger
• Has charging and discharging functions
• Capable of charging cylinder rechargeable Li-ion batteries
• Integrated USB 2.0 input and output ports
• Intelligently identifies the positive and negative tips of connected batteries
• Sensory white light for 3 brightness levels and power indicators, which indicate dis/charging status
• Automatically detects battery power status and selects the appropriate charging mode
• Overtime charging protection
• Compatible with power, 5V solar panel and USB adaptor
• Made from fire-retardant/flame-resistant PC+ABS material
• Certified by RoHS, CE, FCC and CEC

Specifications:

• Input: DC 5V ≥0.5A
• Output: 4.2V±1% (BATTERY)/5V±5% (USB); 1A MAX
• Compatible battery types: Li-ion/IMR: 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 22700, 25500, 26500, 26650, 26700 (Compatible with 3.6V or 3.7V cylinder rechargeable Li-ion battery)
• Dimensions: 9.65" x 0.96" x 0.73"
• Weight: 0.98oz