Battery charger encountered what problems?
Charger needs 110V power supply - May cause fire;
USB Port not supported - Can not be used for car, travel, outdoor sports.
Charger fixed battery size - Other sizes are not supported.
GRACETOP Battery Charger will give you the best product experience.
5V low voltage design - Low voltage can prevent the occurrence of fire.
USB Universal Plug Design - Can be used in any environment, power bank, car, computer, USB power adapter.
Charger slider design - Can support more size batteries, such as: 26650, 1650,14500,16340 battery.