Dual Micro USB 3.7v to 5V 2A Power Bank DIY Charger

Description

1. Dual Micro USB Inputs: Allows you to connect two micro USB input sources to charge the power bank, typically used for convenience and faster charging when compared to a single input.
2. 3.7V to 5V Voltage Boosting: Converts the lower voltage (3.7V) from the connected lithium-ion or lithium-polymer batteries to a stable 5V output suitable for charging various electronic devices.
3. 2A Output Current: Provides a maximum output current of 2A per output port, allowing for relatively fast charging of smartphones, tablets, and other USB-powered devices.
4. Multiple Output Ports: Typically includes two or more USB output ports to charge multiple devices simultaneously.
5. Battery Management: May incorporate a battery management system (BMS) to protect the connected lithium batteries from overcharging, over-discharging, overcurrent, and short-circuit conditions.
6. LED Indicators: Often equipped with LED indicators to display the remaining power capacity of the power bank and the charging status.
7. DIY-Friendly: Designed for DIY enthusiasts, hobbyists, and makers who want to create their own portable power banks or chargers.
8. Compact Design: Compact and space-efficient form factor for easy integration into DIY projects or as a standalone power bank.
9. Battery Compatibility: Compatible with a range of lithium-ion or lithium-polymer battery types, such as 18650 cells or similar.
10. Protection Circuitry: Provides protection features to ensure the safety of both the connected devices and the power bank itself.
11. USB Charging Cable Compatibility: Works with standard USB charging cables, making it versatile for charging a wide range of devices.
12. Cost-Effective: Offers an affordable solution for building custom power banks with dual charging capability.