LED Dual USB 5V 2.4A Micro/Type-C USB Mobile Power Bank 18650 Charging Module Lithium Battery Charger Board Circuit Protection

Product description: 1. Charging efficiency up to 90%@2A 2. Charging switching frequency 1MHZ 3. Trickle/constant current/constant voltage three-E stage charging 4. With charging current adaptive adapter function 5. The charging current temperature adjustment function, the charging current automatically decreases with the increase of temperature, 6. C/10 charging termination 7. Integrated charging overvoltage protection and battery overtemperature protection 8. Synchronous boost output 5.1V 9. Discharge switching frequency 500KHz 10. The discharge efficiency is as high as 94% 11. Automatic identification of the load, automatic shutdown of light load 12. Boost output thermal adjustment function 13. Discharge module overcurrent, short circuit, overvoltage, overtemperature protection, long press the switch key to turn off the booster module and stop working.

1PCS-5V 2.4A : Size: 65.8mm*25.5mm Micro USB/Lightning/Type-C three charging port input

1PCS-5V 2A 1A: Micro USB (single charging port input) Size: 69. 1mm*23mm

Note: The no-load display for 20000MAH capacity will flash, and the load must be connected.