











1-20PCS 3.7V 18650 Mini Li-Ion Battery Charging Pad Type C Input Keyboard Power Plate with Protection Converter for Power Bank
5.54$
2.6$
Quantity:
1
Availability:
Color
Card Payments
Crypto Payments
Easy return
Reliable Shipping
Ultra-Compact Design: This charging board is incredibly small and lightweight. Its compact size makes it easy to embed into tight spaces, such as smart wearables and micro-drones, without adding bulk.
Constant Current/Constant Voltage Charging: This charging board utilizes a constant current/constant voltage (CC/CV) charging mode to ensure maximum charging rate while preventing overheating. This mode helps maintain optimal temperature and prolong battery life.
Precise Charge Voltage: This charging board provides a precise charge voltage of 4.2V (±1%), ensuring safe and efficient charging. This accuracy helps protect your battery and extend its overall lifespan.
Trickle Charge for Low-Charge Batteries: This charging board has a trickle charge threshold of 2.8V, effectively restoring the health of low-charge batteries. It ensures that even partially discharged batteries can be charged safely and efficiently.
Thermal Regulation: The charging board features thermal regulation to prevent overheating during charging.
Current Monitoring: A current monitoring output allows you to track charging progress and ensure optimal power delivery. Automatic Charging: The automatic charging feature ensures your battery is always in top condition and ready for use.
Package Includes: One or three mini Type-C 18650 lithium battery charging boards. Each charging board is carefully packaged to ensure it arrives intact.
Ideal Uses: Users of smart wearables, micro-drones, and other compact electronic devices who require a reliable and efficient 18650 lithium battery charging solution. This practical and space-saving mini charging board keeps your devices charged and ready for use.
Specifications
Dimensions: 1*0.7*0.5cm
Material: PCBA
Charging Current: 600mA
Charging Voltage: DC 4.2V (±1% accuracy)
Trickle Charge Threshold: 2.8V
Charging Port: USB Type-C
Package Includes: 1/5/10/20*Li-ion Battery Charging Board, 3*Li-ion Battery Charging Boards








Material: High-quality PCBA
Charging Current: 600mA for efficient power delivery
Charging Voltage: Accurate DC 4.2V (±1% accuracy)
Trickle Charge Threshold: Automatic 2.8V to revive low-charge batteries
Charging Port: Versatile USB Type-C connection
Package Includes: Choose from 1, 5, 10, or 20 mini Type-C 18650 lithium battery charging boards
|Mini Battery Charger|
### Compact and Versatile Design
The Mini Type-C 3.7V 4.2V 18650 Lithium Battery Charger Board is an ultra-compact powerhouse designed for a wide range of applications. Its miniature form factor, with dimensions of just 1*0.7*0.5cm, makes it an ideal solution for smart wearables, micro-drones, and other portable electronic devices where space is at a premium. The board's lightweight construction ensures that it can be easily embedded into tight spaces without adding unnecessary bulk to your device.
### Advanced Charging Capabilities
This mini battery charging module utilizes a cutting-edge constant current (CC) and constant voltage (CV) charging mode, which guarantees a stable and efficient charging process. The precise charge voltage of 4.2V (±1% accuracy) safeguards your battery's integrity and prolongs its lifespan. Moreover, the board's intelligent thermal regulation prevents overheating during charging, ensuring a safe and reliable charging experience. The automatic charging feature is an added convenience, allowing your device to be always ready for use.
### Easy Integration and Monitoring
The mini battery charging board is designed for easy integration with your electronic devices. It comes with a USB Type-C charging port, making it compatible with a wide range of charging sources. The current monitoring output enables you to keep track of charging progress, ensuring optimal power delivery. Whether you're a DIY enthusiast or a professional, this module is an ideal choice for those requiring a reliable and efficient 18650 lithium battery charging solution. With its versatility and superior performance, the Mini Type-C 3.7V 4.2V 18650 Lithium Battery Charger Board is the go-to accessory for maintaining your devices' peak performance.
Customer Reviews
206 ratings
as described (11)
very satisfied (10)
compact design (9)
fast delivery (8)
works well (8)
incorrect item (5)
Customer photos (16)
H***u
June 3, 2026
Variant: Color:5Pcs
Great at charging, not using with an 18650 but a 150mAh flat style battery (I don’t know the full name) and it charges it well
3 people found this helpful
I***o
June 10, 2026
Variant: Color:5Pcs
Connectors for charging batteries, etc., with a protection circuit. They look good and, thanks to their minimal size, are convenient to integrate into a small case.
Translated by AliExpress ·
1 person found this helpful
Buyer from France
May 22, 2026
Variant: Color:5Pcs
Fast delivery, product as described
Translated by AliExpress ·
1 person found this helpful
Buyer from Brazil
April 29, 2026
Variant: Color:15Pcs
Everything seems fine, as described.
Translated by AliExpress ·
1 person found this helpful
J***n
April 26, 2026
Variant: Color:10Pcs
I am very satisfied.
Translated by AliExpress ·
1 person found this helpful
Buyer from Ukraine
September 4, 2026
Variant: Color:10Pcs
I think it will come in handy someday because I often recycle things.
Translated by AliExpress ·
1-20PCS 3.7V 18650 Mini Li-Ion Battery Charging Pad Type C Input Keyboard Power Plate with Protection Converter for Power Bank
5.54$
2.6$
Quantity:
1
Availability:
Color







