TP4056 18650 Li-ion Battery Charger Module 5V 1A with Protection
TP4056 18650 Li-ion Battery Charger Module 5V 1A with Protection
TP4056 18650 Lithium Battery Charger Module – Type-C / Micro / Mini USB
Upgrade your DIY electronics projects with this compact and reliable TP4056 18650 Li-ion Battery Charging Module. Available in packs of 1–10, this dual-function charging board combines linear charging with built-in battery protection circuitry — all in a tiny, breadboard-friendly PCB form factor. Whether you're building a portable power bank, a custom LED driver, or any microcontroller-based project, this module keeps your 18650 lithium cells charged safely and efficiently.
Made in Mainland China.
Key Features
- Dual-Function Design: Combines charging and battery protection (over-discharge, overcurrent) on a single board — no need for a separate protection circuit.
- Universal Input Interface: Available in Type-C, Micro USB, and Mini USB versions — choose the connector that fits your project.
- Precise Charging: Full charge voltage of 4.2V ± 1% with 1.5% charging accuracy for consistent, reliable cell top-up.
- Adjustable Charging Current: Up to 1000mA (1A) maximum charging current, adjustable to suit your battery capacity.
- Visual Charge Indicators: Red LED during charging; Green LED when fully charged — instant status at a glance.
- Built-In Battery Protection: Over-discharge protection at 2.5V and overcurrent protection at 3A keep your cells safe.
- Wide Temperature Range: Operates reliably from -10°C to +85°C, suitable for a variety of environments.
- Compact PCB Form Factor: Tiny footprint fits easily into custom enclosures, battery packs, and prototyping boards.
Technical Specifications
| Charging IC | TP4056 |
| Input Voltage | 4.5V – 5.5V (5V nominal) |
| Input Interface | Type-C / Micro USB / Mini USB |
| Charging Mode | Linear Charging |
| Max Charging Current | 1000mA (adjustable) |
| Full Charge Voltage | 4.2V |
| Charging Cutoff Voltage | 4.2V ± 1% |
| Charging Accuracy | 1.5% |
| Over-Discharge Protection | 2.5V |
| Overcurrent Protection | 3A |
| Working Temperature | -10°C to +85°C |
| PCB Included | Yes |
| Battery Included | No |
| Origin | Mainland China |
What's in the Box
- 1–10 × TP4056 18650 Li-ion Battery Charger Module (quantity selected at checkout)
Perfect For
- DIY portable power banks and battery packs
- Arduino, Raspberry Pi, and microcontroller projects
- Custom LED lighting builds
- RC vehicles, drones, and robotics prototyping
- Any project requiring safe, single-cell Li-ion charging
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What is the difference between the TP4056 module with protection and without?
A: The TP4056 charger module with protection (this product) includes an additional protection IC on the PCB that guards your 18650 lithium cell against over-discharge (cuts off at 2.5V) and overcurrent (trips at 3A). A basic TP4056 module without protection only handles the charging function. For most DIY builds, the dual-function version with protection is the recommended choice for safe, long-term cell health.
Q: Which input connector version should I choose — Type-C, Micro USB, or Mini USB?
A: Choose the connector that matches the cables and power adapters you already use in your project. Type-C is the modern standard and works with most current phone chargers. Micro USB is widely available and compatible with older Android chargers. Mini USB suits legacy equipment and certain industrial setups. All three versions deliver the same 5V input and 1A charging performance.
Q: Can I use this module to charge multiple 18650 cells at once?
A: Each TP4056 module is designed to charge a single 18650 lithium cell at a time. To charge multiple cells simultaneously, you will need one module per cell. Buying this listing in a multi-pack (up to 10 units) is a cost-effective way to set up a multi-cell charging station for your project.
Q: Is the 18650 battery included?
A: No, the 18650 battery cell is not included. This listing is for the charger module PCB only. Please source a compatible 18650 lithium-ion cell separately.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.