5V Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display For DIY Charger 134N3P, Interface: Type-C

1. With charging and discharging status indication: red light blinks when charging, red light stays on for full, and blue light blinks when discharging2. Built-in charging and discharging power MOS 3. Input voltage: 3.7-5.5V4. Charging current: 1A5. Output current: 1A6. Output voltage: 5V 7. BAT discharge termination voltage: 2.9V 8. Preset 4.2V charging voltage, accuracy about 1%9. Discharge efficiency: 85% (input 3.7V, output 5V/1A)10. 8uA standby current 11. Integrated charge management and discharge management12. Intelligent temperature control and over-temperature protection 13. Integrated output over-voltage/short circuit/heavy load/over-charging/over-discharging protection 14. Support trickle mode and zero voltage charging15. Available batteries: 18650 batteries, cell phone batteries, tablet batteries, MP3 batteries, such as 3.1V-4.2V polymer lithium batteries (Note: Parallel to increase the capacity, series is to increase the voltage, can only be used in parallel)16. Unusable batteries: dry cell batteries, storage batteries, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V lithium iron polymer lithium batteries, etc.17. Size: about 20 x 18 x 1mm