Description
The 3A 18650 Lithium Battery Charger Module with Battery Box and 5V Micro-USB is a compact, high-performance charging solution engineered specifically for single 18650 lithium-ion cells. Combining an integrated secure battery holder with robust charging circuitry, it delivers up to 3A of charging current for faster, efficient power replenishment.
Featuring a standard 5V Micro-USB input interface, this module is widely compatible with standard mobile phone chargers, power banks, and computer USB ports. It is equipped with comprehensive built-in safety protections—including overcharge protection, over-discharge protection, short-circuit defense, and automatic cutoff—making it an essential component for hobbyists and makers building custom portable power banks and DIY electronics.
Note: Product images are for reference only; actual appearance, labeling, or component colors may vary slightly based on manufacturing batches. Batteries are not included.
Key Features
- High-Current 3A Charging: Supports up to 3A charging current for significantly faster battery turnaround compared to standard lower-amp modules.
- Integrated Battery Box Enclosure: Securely houses a single 18650 lithium-ion cell in place, eliminating loose wiring on your workbench.
- Standard Micro-USB Input: Powered via a 5V DC Micro-USB port compatible with common mobile chargers, power banks, and USB ports.
- Comprehensive Circuit Protection: Built-in safeguards protect against overcharging, deep over-discharging, and short-circuits.
- Automatic Full-Charge Cut-Off: Automatically terminates the charging cycle once the battery reaches full capacity to prevent overcharge degradation.
- Dual LED Status Telemetry: Integrated LED indicators display operational status (Red for active charging, Green for fully charged).
- Compact & Lightweight Footprint: Designed for effortless integration into portable devices, enclosures, and DIY maker projects.
Benefits
- Fast & Efficient Replenishment: Higher current capacity reduces downtime for rechargeable 18650 cells in active use.
- Enhanced Safety & Longevity: Intelligent voltage cutoff and protection circuitry extend the lifespan of your lithium batteries.
- Convenient Plug-and-Play Power: Universal Micro-USB input allows you to charge your cells anywhere using standard mobile power accessories.
Applications
- DIY Power Banks: Compact charging and housing module for custom single-cell portable USB power banks.
- Prototyping & Maker Projects: Ideal portable power source for Arduino builds, custom sensors, and microcontroller projects.
- Emergency & Portable Electronics: Convenient benchtop or field charger for portable LED lights and handheld electronic devices.
Package Includes
- 1 x 3A 18650 Lithium Battery Charger Module with Battery Box (Micro-USB)
- 1 x Instruction Manual / Quick Guide
Specifications
| Parameter | Specification |
|---|---|
| Item Type | 18650 Lithium Battery Charger Module with Integrated Box |
| Manufacturer / Brand | Standard Industrial Grade |
| Input Voltage (V) | 5V DC ± 5% (via Micro-USB Port) |
| Input Current Rating | ≤ 2A |
| Charging Current (A) | Up to 3A Fast Charging Support |
| Battery Output Voltage | 3.7V to 4.2V DC (Nominal Li-ion range) |
| Battery Compatibility | Single 18650 Lithium-Ion Rechargeable Cell |
| Status Indicators | LED Telemetry: Red (Charging) | Green (Fully Charged) |
| Safety Protections | Overcharge Protection | Over-Discharge Protection | Short-Circuit Protection | Automatic Cut-Off |
| Net Weight / Shipping Weight | Standard industrial class / 0.035 kg |
| Shipping Dimensions | 11 cm × 7 cm × 2 cm |



























