TP4056 Type-C Li-ion Charging Module with Protection

1A single-cell Li-ion/LiPo charger with TP4056 + DW01 over-charge/discharge/current protection, USB-C.

₹40 + 18% GST

SKU: BOTBIT-PWR-09 · Best for: DIY power banks and portable USB power sources

Qty

Overview

About TP4056 Type-C Li-ion Charging Module with Protection.

The TP4056 Type-C module is the go-to single-cell lithium charger for makers across India. It combines the TP4056 constant-current/constant-voltage charge controller with a DW01 protection IC and an FS8205A dual MOSFET, giving you a complete charge-and-protect circuit on one small red PCB. A modern USB-C input replaces the old micro-USB, so you can power it from a phone charger, laptop or power bank.

It charges any standard 3.7V Li-ion or LiPo cell (18650, pouch cells, 14500, etc.) at up to 1A with a proper 4.2V cutoff, and the on-board protection prevents over-charge, over-discharge, over-current and short circuits. Two LEDs make the state obvious: red while charging, blue/green when full.

At around Rs 40 it is one of the cheapest ways to add safe rechargeable Li-ion power to a project, which is why it appears in almost every DIY power bank, portable IoT node and battery-backed Arduino/ESP build.

Key features

Why it stands out.

TP4056 linear charger with fixed 4.2V CV cutoff and 1A max charge current

USB Type-C input (reversible connector) plus solder pads for external supply

On-board DW01 + FS8205A protection: over-charge, over-discharge, over-current and short-circuit

Dual status LEDs: red = charging, blue/green = charge complete

Programmable charge current via a single R3 (Rprog) resistor

Compact ~26 x 17 mm PCB with clearly labelled B+/B-/OUT+/OUT- pads

Specifications

Selection facts.

Charger IC	TP4056 (linear Li-ion charger)
Protection IC	DW01 + FS8205A dual MOSFET
Input connector	USB Type-C (also solder pads)
Input voltage	4.5V - 5.5V DC
Charge current	Up to 1A (set by Rprog, default ~1000mA)
Charge cut-off voltage	4.2V ± 1%
Over-discharge cut-off	~2.5V
Over-current / short-circuit	~3A trip via DW01/FS8205A
Cell type	Single-cell 3.7V Li-ion / LiPo (1S)
Board size	Approx. 26 x 17 x 4 mm

Applications

Where it is used.

DIY power banks and portable USB power sources
Battery backup for ESP8266/ESP32 and Arduino IoT nodes
Rechargeable LED torches, lamps and wearable projects
Solar-charged sensor nodes and garden/outdoor electronics
Robotics and RC projects running on a single Li-ion cell
Recharging 18650 cells salvaged from old laptop packs

Buying guide

How to choose.

Buy this version (with protection) rather than the bare TP4056-only board whenever the cell will actually power a load - the DW01/FS8205A stage stops your cell from being drained below a safe voltage. Use the OUT+/OUT- pads to feed your circuit and B+/B- to connect the cell.

It is a 1-cell (1S) charger only - do not use it for 2S/3S packs or for LiFePO4 (which needs a 3.6V cutoff). For faster or slower charging, change the Rprog resistor (R3): larger resistor = lower current. Keep charge current at or below your cell's rated value.

Pair it with an 18650 cell (BOTBIT-PWR-10), a battery holder (BOTBIT-PWR-11) and a small boost converter if your project needs 5V. A USB-C cable and any 5V/1A phone charger completes the setup.

FAQ

Common questions.

Does this board have battery protection or is it the plain TP4056 version?

This is the protected version - it carries the DW01 protection IC and FS8205A dual MOSFET, so it guards against over-charge, over-discharge, over-current and short circuit. Use the OUT+/OUT- pads for your load to get that protection.

What is the difference between the B+/B- and OUT+/OUT- pads?

B+ and B- connect to the battery. OUT+ and OUT- feed your circuit through the protection MOSFETs. Always take load power from OUT, not directly from the cell, so the over-discharge cut-off can work.

Can I charge two 18650 cells with it?

Only if they are wired in parallel (still 3.7V, 1S). It cannot charge cells in series (2S/3S) - series packs need a multi-cell balance charger.

How do I change the charge current?

Replace the Rprog resistor (R3). Common values: 1.2k = ~1000mA, 2k = ~580mA, 5k = ~250mA. Lower current is gentler on small pouch cells.

What powers it and what is in the box?

Any 5V USB-C source (phone charger, laptop, power bank) drives it. You receive the bare charging module only - the cell, holder and USB-C cable are bought separately.