WARNING: This product contains nicotine. Nicotine is an addictive chemical.
USB Power Port Input : It adapts USB 5V/2A USB power port input, which compatible with most smart phone adaptors nowadays Clearly digital readout :i2 Build-in LCD panel clearly displays，it shows useful status such as charging percentage " xx%", voltage, current strength, error alarm.You can see how full the batteries are so they don't get over charged High compatibility and charge smart:i2 works with most of cylindrical rechargeable batteries on market. To be specific, 3.6/3.7 V Li-ion batteries 21700 20700 26650 18650 18500 18350 18490 18350 RCR123 and Ni-mh/Ni-cd AAAA AAA AA A SC C batteries.The length ranging from 12 -27 inch, up to 12inches in diameter Safety Materials:i2 li-lion battery charger case is made with high quality of ABS + PC + fire proof resistance materials.Automatic , Smart Temperature Regulation and Protection Compact and portable:The i2 is smaller than a palm, and 2.11oz only. it won't be bothering staying at backpack or pocket