Old battery charger encountered what problems?
General 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.
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.
2018 New Battery Charger - NK206
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.