User Manual

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Features

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.

Standard

Free Shipping 

Easy Returns

3-Year Warranty

Specifications

Brand

UltraFire

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Model

H4

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Charging Cell Type

Ni-MH, NiCd, Lithium Ion

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Compatible Battery Types

26650, 18650, 18490, 17335, 14500, 16340, 10440, AA, AAA, C

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Built-in Protected Circuit

Yes

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Input

100-240V

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Output

0.5A / 1A

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LCD Screen

Yes

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Dimensions

5.7 in x 3.0 in x 1.5 in (14.47cm x 7.62cm x 3.81cm)

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Weight

6.10 oz (173g)

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Package

Packing List

1×H4 Charger

1×Car Charger Adapter

1×US/Europe Plug Cable

UltraFire H4 Battery Charger - 4 Slot Smart Charger for 18650, 26650, AA, AAA | LCD Display | US/EU Standard 100-240V

SALE 25% OFF