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TP4056 Battery Charger C Type Module with Protection
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TP4056 Battery Charger C Type Module with Protection
TP4056 Battery Charger C Type Module with Protection
TP4056 Battery Charger C Type Module with Protection
The TP4056 Battery Charger C Type Module with Protection is a compact charging and battery protection board for single-cell 3.7V Li-ion and Li-Po batteries. It provides a convenient way to add rechargeable battery power to DIY electronics, robotics, IoT devices, portable gadgets and other low-power projects.
The module uses the TP4056 linear lithium-ion charging IC to charge a single cell using a constant-current/constant-voltage (CC/CV) charging method. With a charging current of up to 1A, it can provide a practical charging solution for compatible rechargeable cells. The charging voltage is fixed at 4.2V, making it suitable for standard 3.7V nominal Li-ion/Li-Po cells.
A built-in battery protection circuit helps protect the connected cell against overcharge, over-discharge and over-current conditions. The separate B+ and B− terminals are used for connecting the battery, while OUT+ and OUT− provide the protected output for a connected load. Power can be supplied through the convenient USB Type-C input or the IN+ and IN− solder pads.
Two onboard LEDs provide a quick charging-status indication: the red LED indicates charging, while the green LED indicates a completed charge. This makes the board easy to monitor without additional circuitry.
The TP4056 module is especially useful when building rechargeable battery-powered Arduino projects, ESP32 projects, portable electronics, sensor nodes, small IoT devices and DIY power systems where a simple single-cell charging and protection solution is required.
Important: This is a single-cell charger. Always verify battery polarity, battery chemistry and the required charging current before connecting a cell. Do not use it for multi-cell series battery packs.
Use the Module Through the Following Steps:
- To supply power, either plug in a Type C cable or attach a 5V DC source to the IN+ and IN-labeled pads on the module's left side.
- Fasten the battery that has to be charged to the B+/B- pads on the module's right side.
- The OUT+/OUT- pads on the right side can also be used to attach a load, or an object that the battery will power.
- Keep in mind that while the battery is charging, unplug the load.
- When the charging process is finished, the green LED will turn on, while the red
- LED will illuminate to signify that the charge is ongoing.
- Be careful to never charge your battery at a rate exceeding 1
Pinout & Wiring Guide
To ensure safe and correct wiring, please refer to the terminal labels on the board:
- B+: Connect to the Positive (+) terminal of your single-cell 3.7V Li-ion/Li-Po battery (e.g., 18650).
- B−: Connect to the Negative (−) terminal of your battery.
- OUT+: Protected positive output to safely power your load/project.
- OUT−: Protected negative output to safely power your load/project.
- IN+ / IN−: Alternative 5V DC input solder pads (use only if not supplying power via the USB Type-C port).
Note:
Please remember the following crucial information:
- The module's 5V input side is the only one to which the ampere meter should be attached.
- A charging current of around 37% of the battery's capacity is advised.
- A 400mAh charging current is adequate for a 1000mAh battery.
- Make use of reasonably thin connecting cables.
- Verify the security of the connecting point.
- It is usual for the current to decrease below 1000mA if the input voltage is greater
- than 5.2V.
- In order to shield the chip from harm, this protective function immediately lowers
- the charging current.
- Reverse polarity should be avoided at all costs.
Features
- It features a modern USB Type-C port that provides convenient and universal power.
- This module includes integrated protection against over-charge, over-discharge, and short-circuits.
- It utilizes an intelligent CC/CV algorithm to ensure a fast, safe, and efficient charging cycle.
- It is equipped with clear dual-LED indicators for at-a-glance monitoring of the charging status.
- This module is perfectly designed for charging single-cell 3.7V Li-Ion and Li-Po batteries.
- Its compact and high-precision design allows for seamless integration into any electronics project.
Package Includes:
- 1 x TP4056 Battery Charger C Type Module with Protection
Specifications:
| Specification | Details |
|---|---|
| Input Interface | Type C |
| Current Protection | Yes |
| Charging Mode | Linear charging |
| Current | 1A adjustable |
| Charge Precision | 1.5% |
| Input Voltage | 4.5V-5.5V |
| Full Charge Voltage | 4.2V |
1. What battery can I charge with the TP4056 module?
The TP4056 module is designed for charging a single 3.7V nominal Li-ion or Li-Po rechargeable battery, with a full-charge voltage of 4.2V. It should not be used directly with multi-cell batteries connected in series.
2. How do I connect a battery to the TP4056 Type-C module?
Connect the battery positive terminal to B+ and the battery negative terminal to B−. Connect a 5V USB Type-C power source to the Type-C port. If a load is required, use OUT+ and OUT− as the protected output terminals.
3. What do the red and green LEDs mean on a TP4056 module?
The red LED indicates that the battery is charging, while the green LED indicates that charging has completed. The LEDs provide a simple way to check the charging status without additional electronics.
4. Can I charge a Li-ion battery and power my project at the same time?
For this module, the safest recommended practice is to disconnect the load while charging unless the specific application has been designed and tested for the module's charging and load behaviour. A connected load can affect charging termination and current measurements.
5. What is the maximum charging current of the TP4056 module?
The module supports a charging current of up to 1A, with the actual current determined by the module's charging-current setting and operating conditions. The TP4056 uses a constant-current/constant-voltage charging process and reduces current as the battery approaches its 4.2V charge voltage.
6. Does the TP4056 module provide battery protection?
Yes. The protected version combines the TP4056 charging circuit with a battery protection circuit to help protect against conditions such as overcharge, over-discharge and over-current. Always verify the exact protection features of the supplied board revision.
7. Can I use the TP4056 for a 2-cell or 3-cell Li-ion battery pack?
No. The standard TP4056 is intended for one Li-ion/Li-Po cell with a 4.2V full-charge voltage. Multi-cell series packs require a charger and battery-management system designed for the appropriate number of cells.
Shipping Policy
- Free Delivery on all Orders Above Rs 999/-
- All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
- Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.
Return & Refund Policy
- Return window: 7 days from receipt unless stated otherwise.
- No refunds or replacements after the return window.
- Returns are accepted only for non-working or damaged products.
- Initiate return requests via a Support ticket or contact us at +91-8123057137.
- Refunds are processed within 3–4 working days after inspection and approval.
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