Combo: Nitecore UI1 Portable USB Charger & NL2140 21700 Battery 4000mAh

Features & Specifications
• Portable USB Battery Charger
• Compatible for 3.6V/3.7V rechargeable Li-ion batteries
• Available for low current charging below 2.9V
• USB Input
• Automatic adoption for the optimal charging modes between CC and CV
• Automatic termination upon charging completion
• Reverse polarity protection and anti-short circuit protection
• Thermal protection during the charging process
• Activates over-discharged batteries with protective circuits
• Compatible with power banks, 5V solar panels and USB adaptor
• Made from durable and fire retardant PC materials
• Optimal heat dissipation design
• Insured worldwide by Ping An Insurance (Group) Company of China, Ltd.
• Includes USB Charging Cable
• Input: DC 5V/1A 5W
• Output: 4.2V±1%
• 1000mA (MAX)
 

Compatible with:
Li-ion/IMR: 10340, 10350, 10440, 10500, 12340, 12500, 12650,
13450, 13500, 13650, 14430, 14500, 14650, 16500,
16340 (RCR123), 16650, 17350, 17500,17650, 17670,
18350, 18490, 18500, 18650, 20700, 21700, 22500,
22650, 25500, 26500, 26650
 

Dimensions: 122.5mm×29.2mm×32mm (4.82”×1.15”×1.26”)
Weight: 40.5g (1.43oz)