Battery Protection Board
10W 3.7V 4.2V 3A Overcharge Protection Module
- Rated Voltage: 3.7V
- Charge Cutoff Voltage: 4.2V
- Max Current: 3A
- Power Rating: 10W
- Battery Type: 18650 Li-ion
SKU: Not Found
Brand: Generic
Out of stock
₹102.66
Free Delivery Expected:
Thursday, May 28 - Saturday, May 30
Order within the next 16 hrs to get it by this date.
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Product Description
The 10W 3.7V–4.2V 3A Overcharge Protection Module is designed for safe and reliable charging of single-cell 18650 Li-ion batteries. Based on TP4056 architecture, this protection board provides overcharge, over-discharge, and overcurrent protection to extend battery life and prevent damage. It supports up to 3A current handling and ensures stable 4.2V cutoff voltage for safe charging. Compact and lightweight, it is ideal for DIY battery packs, portable electronics, and embedded power systems.
Features:
- Supports 3.7V Li-ion batteries
- 4.2V precise charge cutoff
- 3A current handling capacity
- Overcharge protection
- Over-discharge protection
- Overcurrent protection
- Designed for 18650 batteries
- Compact PCB design
Package Includes:
1 x 10W 3.7V 4.2V 3A Overcharge Protection Module
Technical Specifications
| Battery Type | 18650 LI-ION |
|---|---|
| Charge Cutoff Voltage | 4.2V |
| Height (mm) | 02 |
| Length (mm) | 12 |
| Max Current (A) | 3 |
| Power Rating (W) | 10 |
| Rated Voltage (V) | 3.7 |
| Shipping Dimensions | 8 × 6 × 2 cm |
| Shipping Weight | 0.004 kg |
| Weight (g) | 03 |
| Width (mm) | 09 |

