Universal USB Smart Charger for 18650 18350 26650 16340 3.7V-4.2V Type-c Interface 18650 Lithium Charger. Product features: red light when charging, green light when fully charged, USB charging interface, built-in battery protection system, anti reverse charging design, automatic battery protection, overcharge protection, precise stop charging. Suitable for lithium batteries such as 18650, 26650, 21700, 16340, 14500, 18500, 16650, 18350, etc. Charging time: 1-6 hours. Input: 5V. Output: 4.2V -1000MA. Size specifications: Length: 13.5CM Width: 3.7CM Height: 3.6CM. Line length specification: 55CM. Plug specifications: USB. Packaging includes 1*18650 Battery Charger.