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 start Avoids sudden high current impact and maximizes batteries' lifespanFast charge with 1A max current / compatible with 10440 / 26650 sized batteries / 0V activation functionFulfills emergent use with 3 hrs charging time. Besides, the battery rescue function 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 batteriesSpecification: Input voltage: DC 5V 1000mAInput current: 0.5A constant current, 500±50mA1.0A constant current, 1000±80mACut-off voltage: 4.2V±0.05VPackage Contents:1 pc x Charger1 pc  x USB Cable（Black or white random）