5V Step-Up Power Module Lithium Battery Charging Protection Board USB

The 5V Step-Up Power Module is a compact, versatile board designed for DIY enthusiasts aiming to build or upgrade USB-powered devices. It integrates lithium battery charging and protection, efficiently managing power from a lithium battery to output a stable 5V via its USB port. This functionality is crucial for homemade power banks, electronic projects, or any application requiring a portable 5V power supply. The board ensures safe operation through built-in protection against overcharge, over-discharge, and short circuits, thus prolonging the battery's lifespan and safeguarding connected devices. Its ease of use, combined with protective features, makes it an excellent choice for powering or charging USB devices in DIY projects.

Features:

1. BAT Discharging Stop Voltage: 2.9V.
2. Discharging Efficiency:85%(input 3.7V output 5V/1A).
3. Charging and discharging indication.
4. Internally installed charging and discharging power MOS.
5. Preset 4.2V charging voltage, precision ±1%.
6. Max 8uA standby current.
7. Integration charging management and discharging management.
8. Intelligent temperature control and overtemperature protection.
9. Integration output overvoltage protection, short circuit protection, overload protection.
10. Integration overcharging and over-discharging protection.
11. Support trickle mode and zero voltage charging.
12. When charging: red light flashing.
13. Fully charged: Red light glows for a long time.

Package Includes:

1 x 5V Step-Up Power Module Lithium Battery Charging Protection Board USB