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Lithium Battery Charger Board LED Dual USB 5V 2.4A Micro/Type-C USB Mobile Power Bank 18650 Charging Module

Lithium Battery Charger Board LED Dual USB 5V 2.4A Micro/Type-C USB Mobile Power Bank 18650 Charging Module

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Specifications

Brand Name
RQG
Origin
Mainland China
High-concerned chemical
None
Condition
New
Type
3.7V lithium battery
input interface
Type-C/Micro USB
Battery interface
3.7V lithium battery
Battery connection
in parallel

Product Description

Product Features

Portable Mobile Power Supply Module.

Supports 3 USB cables.

Hold down the button after standby, LED digital display power supply.

LED digital screen shows current battery power when charging.

When discharging, the LED digital screen displays the current power, and the display saves about 30 seconds (double-click button to restore the display).

After charging and discharging, the system will provide accurate battery instructions.

Product Parameter

Weight: 10.8g

IR of PCM: ≤65 mΩ

Allowed 0V change: Yes

Constant current: 2.4A

Dual output current: 5V 2.4A

Input voltage B+ to B-: 3.0 - 4.2V

Charging cable: support three type of USB Cables for iPhone Lightning & Android Type-C Micro USB

Button function: Press and hold the button after standby, the LED digital screen displays the power

Specification

The LED digital screen displays the current battery charge while charging.

When discharging, the LED digital screen displays the current power, and the display is saved in about 30 seconds (double-click the button to resume display). The system will provide an accurate battery indication after a complete charge and discharge.

Prevent Overcharge Protection

Detection voltage: 4.20±0.05V

Release voltage: 4.100±0.05V

Detection delay time: <200 ms

Prevent Overdischarge Protection

Detection voltage: 3.0±0.10V

Release voltage: 3.10±0.10V

Detection delay time: <100 ms

Short Circuit Protection

Short detection delay time: <50μS

Release Conditions: Cut off load

Normal Current Consumption

Normal current consumption of PCM: Max 60μA

Stanby current consumption: Max 50μA

Suggest Working Conditions

Max continuous charge/discharge current: 1.5/2.4A

Suggest working temperature: -5~45℃

 

 

Product Parameter

1. Input interface: type-c and microUSB.

2. Output interface: 2 high-quality USB interfaces (large current consumption is small), the maximum is 2.4A.

3. Battery interface: support 3.7V lithium battery (full 4.2V), welding connection method. The maximum battery charging current is 2.4A.

4. High-current charging and identifying ICs such as Apple, Samsung, etc., to give full play to the advantages of 2.4A current (the mobile phone requires 2.1A/2.4 high-current charging requires related agreements).

5. High-efficiency charge and discharge design, up to 90%.

6. Small size: 55*19*8mm.


Product Description

Serialnumber

Function Description

1

High-quality interface, can output 2.4A

2

TYPE-C and Android dual-port input, no interface jump, TYPE-C current is greater

3

4led accurate battery display

4

High-quality interface, can output 2.4A

5

Rich fixing holes for easy installation

6

Battery display button

7

Integrated inductor

8

High quality IC, support 3.4A flush

9

Battery protection IC, safe and secure

10

The battery interface is limited to 2.4A charging current

Note: The positive and negative poles of the battery cannot be reversed, the batteries can only be connected in parallel

Precautions

1. When the motherboard receives it, first connect the charging head to test and see the LED light.

2. For normal application, the battery must be soldered (the power supply will be insufficient if the wire is twisted), and the battery will burn if it is connected to the motherboard. Be careful.

3. The battery and motherboard wires should not be too thin, and should be as thick as possible. Can pass 5A current. It should not be too long, the interface needs to be welded.

4. Batteries can only be connected in parallel, not in series, the main board will be burnt in series.

5. Make sure that the battery is good. If the battery is connected and charged, it will be fully charged, and the mobile phone cannot be discharged. Most of the battery is aging and scrapped.

6. Do not add a protective plate to the battery. Some batteries are not originally used for power banks and have protection boards that limit the current, and may protect the output when exceeding one or two amps.

7. Reverse connection of the board will burn. There will be traces if the IC is burned. This happens only when reverse connection. Therefore, the consequences of reverse connection are not borne here.

8. Type-c port is only for input, not output

9. Input current refers to the input current of the battery.


 

Pros & Cons

Pros

  • Supports both Type-C and Micro USB input for flexible battery charging
  • Delivers 5V 2.4A total USB output for fast charging mobile devices
  • Includes an LED digital display to show current battery power and charging current
  • Designed for affordable and widely available 3.7V 18650 lithium batteries

Cons

  • Exact physical dimensions are not provided in the product listing
  • Lithium batteries are not included with the charging module
  • Only supports parallel battery connection, not series configuration
  • No warranty or return policy information is listed in the listing

Common Questions

What materials is this charging module constructed from?

The module is made from circuit board components, plastic housing, and standard electronic parts for 3.7V lithium battery charging and power output.

What are the physical dimensions of this charging module?

Exact physical dimensions are not provided in the listing, but it is a compact portable power bank charging module.

What batteries and devices is this module compatible with?

It supports 3.7V lithium batteries like 18650 cells with parallel battery connection, and dual USB outputs delivering 5V 2.4A total for charging mobile phones and other USB-powered devices. It accepts input via Type-C or Micro USB.

What is the primary usage of this charging module?

It is used to build portable mobile power banks, charge 3.7V lithium batteries, and provide USB power output for charging electronic devices.

What shipping details are available for this product?

Shipping details are not fully listed in the current listing; refer to the seller's store for information on shipping costs, times, and supported regions.

Product information last updated on November 19, 2025