The Power Bank Module is a compact charging and boost-converter board designed to convert a single 3.7V lithium-ion battery into a portable USB power source. It includes 4 LED battery-level indicators showing approximately 25%, 50%, 75%, and 100% charge levels.
Features
- 4-level battery indicator
- LED indicators: 25% / 50% / 75% / 100%
- USB-A output port
- Micro-USB input/charging port
- Designed for a single Li-ion battery
- Compact PCB design
- Onboard charging and boost circuitry
- Battery terminals clearly marked B+ / B−
- Suitable for DIY power-bank projects
Specifications
| Specification | Details |
|---|---|
| Module Type | Power Bank / Boost Module |
| Battery Type | 3.7V Li-ion / Li-Po |
| Battery Configuration | 1S |
| Battery Indicator | 4 LEDs |
| Indicator Levels | 25%, 50%, 75%, 100% |
| USB Output | USB-A |
| Charging Input | Micro-USB |
| Battery Connection | B+ / B− |
| PCB Marking | I.S-Kit6000-V1.2 |
| Application | DIY Power Bank |
LED Battery Indicator
- LED 1 → 25%
- LED 2 → 50%
- LED 3 → 75%
- LED 4 → 100%
Applications
- DIY power banks
- Portable USB power supplies
- Arduino and electronics projects
- Rechargeable battery projects
- Portable lighting projects
- Embedded electronics projects
Package Includes
- 1 × Power Bank Module
Note: This module is intended for a single-cell 3.7V lithium battery. Do not connect multiple Li-ion cells in series. Actual charging current and USB output capability depend on the specific module version and battery used.









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