Dual USB 3.7V to 5V 2A Power Bank DIY Module | 18650 Li-Ion Battery Charger Board with LED Indicator

Technical Specifications

• Product Type: DIY Power Bank Charging Module
• Input Voltage: 3.7V (18650 Li-Ion Battery)
• Output Voltage: 5V DC
• Output Current: Up to 2A
• USB Ports: Dual USB Output
• Battery Type: 3.7V 18650 Li-Ion
• Charging Support: Yes (Built-in Charging Circuit)
• LED Indicator: Yes 
• Protection: Overcharge & Short Circuit Protection
• Application: DIY power bank, portable charger, electronics projects
• No Warranty

Product Description

Dual USB 3.7V to 5V 2A Power Bank DIY Module is designed to convert 18650 Li-Ion battery power into stable 5V USB output. It features dual USB ports, built-in charging support, and LED battery indicators for easy monitoring. Ideal for building custom power banks, portable chargers, and DIY electronics projects.