Technical Specifications
- Product Type: Power Bank Charging Circuit Board
- USB Ports: 3 USB Output Ports
- Output Voltage: 5V DC
- Output Current: 1A (Max per port, depends on battery input)
- Input Battery: 3.7V 18650 Li-Ion
- Converter Type: Boost (Step-Up) Converter
- LED Indicator: Yes (Power/Charging Status)
- Protection Features: Overcharge, Over-discharge, Short Circuit Protection
- Application: DIY power bank, portable charger, electronics projects
- Installation: DIY Assembly Required
Product Description
3 USB 5V 1A Power Bank Charger Module is a DIY battery charging circuit board designed for 18650 Li-Ion batteries. It converts 3.7V battery power into stable 5V output and provides three USB ports for charging devices. Ideal for building custom power banks and portable chargers, this module includes LED indicators and built-in safety protection.
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