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INPUT : DC5.0V OUTPUT : DC4.2V 2000mA COMPATIBLE WITH 18650 , 14500 , 16340 , 18500 Li-ion Batteries ⛔NOTE : NO COMPATIBLE FOR AA/AAA BATTERY⛔ 2A FAST CHARGING AND SAFE USB PORT PORTABLE SOURCE INTELLIGENT CIRCUIT IT IS WITH HIGH EFFICIENCY ANG RELIABILITY 1WEEK REPLACEMENT IF FACTORY DEFECT 3.7V 18650 Charger Li-ion Battery USB Independent Charging universal charger battery charger 💥This USB 4 slot battery charger can individually charge 1-4 batteries at the same time,in this way is time saving. 💥This USB 18650 battery charger has LED indicator light for each slot which will turn green when the batteries is fully charged. 💥This 18650 battery charger has adjustable electrode,so you can load different size battery easily. 💥This 4 slots battery charger won't overcharge the batteries and is suitable for charging many type of batteries,such as 14650,18350,18500 and 18650 etc. 💥This battery charger use USB port to power and the size is small,you can easily carry it in bag or pocket and use it quickly. ✅Specification:(4 slot type) Material: Plastic. Color: Black. Size: 90*30*122mm. Input: DC 5V 1-2A. Output: DC 4.2V 1000mA. ✅Compatible battery: (rechargeable battery)10440,14500,16340,16650,14650,18350,18500,18650,26650. INPUT : DC5.0V OUTPUT : DC4.2V 2000mA 2A FAST CHARGING AND SAFE USB PORT PORTABLE SOURCE INTELLIGENT CIRCUIT ⛔Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Don't not use on outdoor and humid condition. If it is not charged, it may be that the battery is full, aging, short-circuited, reversed,loaded in a normal battery,and electrode is dirty. 🎁Package included: 1pc usb port 4-slots charger (random brand)