4-Bay 5V 2A Charger for 3.7V Li-ion 18650 Batteries with Red/Green Display

What problems can a battery charger encounter? An old charger using 110V voltage may cause fire, and incompatible power plugs can cause inconvenience when using the charger in different countries. Additionally, fixed battery sizes limit the use of general battery chargers to 18650 batteries only.

The new GRACETOP Smart Battery Charger addresses these issues by providing a 5V safe voltage to prevent fire and ensure safety for children. The charger's USB port plug design allows for use in any environment, including power banks, car adapters, computers, and USB power adapters. The charger's slider design supports a variety of battery sizes, including 18650, 14500, and 16340, while not supporting 26650, 1.2V AA/AAA, or 0V batteries.

The USB Battery Charger provides protection against over-charge, over-heat, over-voltage, and short-circuit. The charger indicator light turns red during charging and green when the batteries are fully charged. It is compatible with various 3.7V batteries, including 18650, 18490, 18350, 17670, 17500, 16340, and 14500, while not supporting 26650, 1.2V AA/AAA, or 0V battery activation.

The Micro processor controls the charging process to automatically stop when the battery is full. The charger also features reverse polarity protection and short circuit protection for added safety. It can charge different types of 3.7V lithium-ion batteries and comes with a universal USB interface that operates at 5V for safe recharging in any environment.

The package includes a USB 18650 Battery Charger and an English user manual, with features such as simultaneous charging of up to 4pcs 3.7V batteries, automatic detection of battery status and voltage selection, and automatic shutdown when charging is complete. The charger is also designed for heat dispersion and protection against reverse polarity and short circuits.

In summary, the new 18650 Battery Charger offers a safe, universal charging solution for various lithium-ion batteries, and it comes with a satisfaction guarantee and responsive customer support for any questions or issues.

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