Description
The 2S 8.4V 4A 18650 Lithium Battery Charger Module with Type-C Port is a high-power charging module designed specifically for 2-cell (2S) 18650 lithium-ion battery packs. Equipped with a modern USB Type-C input, this module can deliver up to 4A of current, allowing for significantly faster charging while ensuring total system safety through built-in protection circuitry.
Ideal for applications requiring rapid power replenishment, this miniature board integrates seamlessly into portable power banks, custom enclosures, and high-demand battery-powered gear. Comprehensive built-in safeguards protect your cells against overcharge, overcurrent, and short-circuit faults during operation.
Note: Actual product may vary in terms of design. Battery packs are not included.
Key Features
- Modern USB Type-C Input: Utilizes a reversible Type-C port for universal connectivity, ensuring stable power delivery from modern 5V sources.
- High-Speed 4A Charging Current: Delivers up to 4.0A of high-current output to dramatically reduce charge times for 2-cell lithium packs.
- Optimized 8.4V Output: Specifically engineered to supply an 8.4V charging voltage tailored for 2-cell (2S) 18650 series battery configurations.
- Comprehensive Circuit Protection: Built-in multi-layer safeguards protect your cells against overcharge, overcurrent, and short-circuit hazards.
- Compact & Lightweight Footprint: Measures just 38 × 18 × 5 mm and weighs a mere 4 grams for effortless embedding into tight enclosures.
Benefits
- Rapid Battery Turnaround: High 4A charging current output significantly reduces downtime for active rechargeable packs.
- Enhanced Battery Longevity: Precision voltage regulation and safety protections prevent thermal stress and premature cell wear.
- Convenient Universal Power: Allows you to recharge 8.4V dual-cell packs using standard, accessible USB power cables and mobile chargers.
- Streamlined Prototyping: Compact board layout eliminates complex wiring, making custom multi-cell power setups clean and straightforward.
- Reliable Operation: Automatically manages the charging cycle to ensure safe and consistent performance across multiple uses.
Applications
- Dual-Cell Power Banks: Custom 2S 8.4V battery charging and high-power management for portable electronic equipment.
- Portable LED Lighting: Reliable high-speed charging module for dual-cell LED work lights, flashlights, and emergency lamps.
- Test Instruments & Gadgets: Internal power management board for handheld meters, sensors, and portable test instruments.
- Robotics & Hobby Electronics: Embedded high-current charging circuit for small robotic battery assemblies and motorized models.
- Custom Enclosures: Ideal charging module for custom 18650 battery bank builds and portable utility gear.
Package Includes
- 1 x 2S 8.4V 4A 18650 Lithium Battery Charger Module Type C
- 1 x Instruction Manual / Quick Guide
Specifications
| Parameter | Specification |
|---|---|
| Item Type | 2S 8.4V High-Current Lithium Battery Charger Module |
| Input Voltage (V) | 5V DC (via USB Type-C Port) |
| Output / Charging Voltage (V) | 8.4V DC (For 2S Battery Packs) |
| Charging Current (A) | 4.0 A High-Speed Charging Output |
| Battery Configuration | 2S (2-Cell Series Architecture) |
| Battery Compatibility | 8.4V 4A 18650 Lithium-Ion Battery Packs |
| Safety Protections | Overcharge Protection | Overcurrent Protection | Short-Circuit Protection |
| Physical Dimensions (Length × Width × Height) | 38 mm × 18 mm × 5 mm |
| Net Weight / Shipping Weight | 4 g / 0.01 kg |
| Shipping Dimensions | 8 cm × 5 cm × 1 cm |


























