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1. With charging and discharging status indication: red light blinks when charging, red light stays on for full, and blue light blinks when discharging
2. Built-in charging and discharging power MOS
3. Input voltage: 3.7-5.5V
4. Charging current: 1A
5. Output current: 1A
6. 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 management
12. 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 charging
15. 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
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