Features:Universal micro USB port / suitable charging current (0.5A / 1A)These user-friendly designs give convenience especially for travellingDC 5V input safety voltage / reverse-polarity and short circuit protection / fireproof shell / perfect heat dissipation / high temperature resistanceMakes the MC1 Plus the safest charger and ensures your safetyCut off the voltage at 4.20V / TC-CC-CV charging method / Soft startAvoids sudden high current impact and maximizes batteries' lifespanSuitable for most kinds of Li-ion batteriesCompatible with 10440 / 14500 / 14650 / 16340 / 17335 / 17500 / 17670 / 18350 / 18490 / 18500 / 18650 / 18700 / 22650 / 25500 / 26650 3.6V / 3.7V Li-ion batteries​Size: 173mm x 23mm 30mmWeight: 27gInput: DC5V/1AOutput: 3.7V-4.2V/500MAPacking Included:1 pc x  Battery Charger1 pc x USB Cable