Charge More, Worry Less
The UltraFire H4 is a 4-slot smart charger designed for Ni-MH, NiCd, and Li-ion batteries. With independent charging bays, you can safely charge up to four batteries at once.

Wide Compatibility
Supports a variety of battery sizes including 26650, 18650, 18490, 17335, 14500, 16340, 10440, AA, AAA, and C batteries—making it a reliable choice for flashlights, remotes, and everyday electronics.

Smart LCD Display
The clear LCD screen shows charging progress, battery type, and voltage in real time so you always know the status of each battery.

Safe & Reliable
With a built-in protection circuit, the H4 prevents overcharging, overheating, and short circuits, extending the life of your batteries and ensuring safe operation.