gracetop Battery charger encountered what problems? Old charger used 110V Voltage - May cause fire; Charger power plugs are not compatible - different power plugs are required in different countries, which is very troublesome. Fixed battery size - General battery charger can only use 18650 battery. 2019 New Battery Charger GT-04U GRACETOP Smart Battery Charger will give you the best product experience. 5V safe voltage - 5V voltage can avoid fire and is safe for children. USB Port Plug Design - USB Port can be used in any environment, power bank, car adapter, computer, USB power adapter.
Charger slider design - Can support more size batteries, such
as: 26650, 1650, 14500, 16340 battery. BATTERY CHARGER LED usb charger usb led USB Battery Charger The products are under protection of over-charge, over-heat, over-voltage and short-circuit. The charger indicator light shows red when the batteries are charged, and shows green when the batteries are full.
Universal Charging Universal Charging Compatibility: You can charge various 3.7V battery 26650, 22650, 18650, 18490, 18350, 17670, 17500, 16340, 14500, 10440. Don't support to charger Alkaline battery. Support USB charging help travelers can charge liion batteries anytime anywhere, especially when you don’t have enough outlet, you can even simply plug into your laptop or other device.
Safe Charging: Micro processor controls the charging process, automatically stops when fully charged. In addition, it’s with reverse polarity protection and short circuit protection. All these built-in safety features ensure your safety and the health of the battery charger Ultra Fast Charging Up to 500mA charging current each slot (when 1A input), greatly shorten your waiting time. LED shows you the charging status and charging level of each battery.
Safe Charging: Micro processor controls the charging process, automatically stops when fully charged. In addition, it’s with reverse polarity protection and short circuit protection. All these built-in safety features ensure your safety and the health of the battery inbox
Package includes: 1 x USB Universal Charger Features - Capable of charging 4pcs 3.7V battery simultaneously - Automatically detects battery status and selects the appropriate voltage and charge mode. - Automatically stops charging when complete. - Excellent features of heat dispersion and reverse polarity protection. Protect opposite connection and short circuit. - Designed for optimal heat dissipation.