18650 lithium battery charger 4.2v single sink fixed charger universal single charge

2Charging with the red light on, it turns green when fully charged and automatically stops charging. It has a function to prevent charging in the wrong direction, so if the battery is placed incorrectly, it won't be damaged and can still charge normally. It also prevents overcharging and short circuits, and is designed to prevent charging standard batteries.

3Our company has professional inspection personnel. All products must undergo complete inspections, aging, and then they can be shipped.

Charging MethodInsert the battery into the appropriate location, plug in the power, and the light will turn red to indicate charging. Once fully charged, it will turn green. Then, it will enter a trickle charge phase, which can provide additional benefits if charged for several more hours.

Individual products are individually packaged in PE bags. Each small package contains 100 pieces, and each large package contains 500 pieces. The total weight of one piece is 23KG.

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