USB Charger Universal 1 Slot or 2 Slot 4slot 18650/26650/14500 Smart Chargering for Rechargeable 3.7V Li-ion Bettery

️Universal 1 Slot USB Battery Charger Specification: Input: AC 110~240V 50/60Hz Input connector: USB No-load voltage: DC 4.15V-4.25V Load current: 350mA, ±30mA Intelligent compatibility: 10440,14500,16340,16650,14650,18350,18500,18650,23650,26650 3.7V Li-ion batteries Colour: Black USB cable length: 30cm Product size: 100*25*23mm Product weight: 27g Feature: - Intelligent IC control, built-in reference voltage to ensure full battery charge (battery full charge rate ≥99%), while ensuring safe use. - Automatically recognize the battery polarity, and it can be charged both positive and negative to ensure safe use. - Short-circuit protection function, short-circuit IC automatically cuts off the output, ensuring safe use. - Stable voltage output when no-load, the voltage is more accurate and stable, accurate charging and protecting the battery, ensuring safe use. - When there is no battery in the charger, it lights up green, when it is loaded, the red light flashes, and it lights up green when it is full to ensure that the battery is fully charged and not overcharged and safe to use. - The simple, stylish and generous appearance gives you a brand new experience.