USB Rechargeable 18650 Battery Charger for 3.7v Lithium Batteries

Brand Overview

WDJD is dedicated to the production of smart chargers specializing in various battery types, including 3.7V Li-ion batteries, AA/AAA batteries, camera batteries, and USB wall mounts. Our offerings also include custom chargers tailored to meet specific requirements. With over 200 square feet of factory space complemented by an experienced Research & Development department, we are committed to delivering high-quality products at reasonable prices, ensuring customer satisfaction through product development and customization services. Our adherence to international standards is evidenced through certifications such as CE, FCC, and RoHS.

Product Description

Key Features

• Crafted from sturdy and fire-retardant ABS material.
• Automatically halts charging once batteries are fully charged.
• Equipped with over-charge prevention and temperature monitoring systems to protect batteries.
• Incorporates reverse polarity protection.
• Adjustable work length accommodates various battery sizes.
• Thoughtful heat sink design enables efficient charging without overheating.

Safety Precautions

1. Ensure charging occurs at room temperature.
2. Disconnect power supply when not in use.
3. Only charge lithium-ion batteries; never use on alkaline or carbon batteries, as this may cause damage to both the charger and batteries. Not suitable for Ni-MH or Ni-Cd batteries, including AA, AAA, AAAA, and C batteries.
4. Keep charger away from water and excessive dust.
5. Refrain from disassembling or using the charger if it exhibits any signs of damage.

Product Variants

• Single Slot 0.6A Charger – Add to Cart
• Single Slot 1A Charger – Add to Cart
• LCD Battery Charger – Add to Cart
• Single Slot 2A Charger – Add to Cart
• 2 Slot Battery Charger – Add to Cart
• 4 Slot Battery Charger – Add to Cart

Customer Reviews

Our products boast customer ratings averaging 4.4 out of 5 stars across various items, reflecting satisfaction and reliability. The price ranges from $5.99 to $12.99, depending on the model, with specifications including:

• Model Names: CH5 0.6A, CH1, EL2, CH1 2A, CH2, CH4
• Input Specifications: USB DC 5V with varying current outputs from 0.6A to 2A.
• Cut-off Voltage: 4.2 ± 1%

Charging Compatibility

• The charger does not come with batteries but is compatible with flat top 18650 batteries and other lithium battery models like 10440, 14500, 16340, among others.
• It is important to note that it is inappropriate for Ni-MH, Ni-Cd, AA, AAA, AAAA, or C batteries.

Charging Efficiency

• The 18650 Li-Ion 2600mAh rechargeable battery can be charged in approximately three hours. The charger includes an effective overcharge protection mechanism, automatically ceasing power supply once the batteries are fully charged.

Indicator Lights

• The charger features a simple indicator system: a red light signifies that charging is in progress, while a green light indicates that charging is complete. Should the indicator light be off, please verify the battery is correctly installed.

Universal Battery Charger

Designed to accommodate simultaneous charging for various rechargeable battery specifications, the charger is ideally suited for 3.7V Li-ion batteries.

Versatile and Safe Usage

The charger operates from a Micro USB interface with a 5V/1A input and provides a safe, reliable charge for Li-ion batteries. With advanced microcomputer control technology, our charger effectively prevents overcharging and protects against overcurrent, overheating, and reverse polarity, ensuring your batteries are charged safely every time.

Micro-USB Compatibility

Whether at home, on the road, or during travel, the charger’s compatibility with multiple USB inputs—including car chargers, power banks, and laptops—enhances its portability, making it an essential item for charging on the go.

Overall, our charger is designed with safety, efficiency, and versatility in mind, making it an excellent choice for all your battery charging needs!

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