JUZITAO 12PCS USB Type-C 5V 2A Boost Converter Lithium Battery Charging Protection Board
Basic Parameters：
Input voltage range: 5~ 5.5V
Charging cut-off voltage: (4.2v/4.35v)土0.5%
Charging current: 2.4a土5%
Boost output voltage: 5V ~ 5. 15v (ine loss compensation)
Boost output voltage ripple: 100mV
Boost output current: 2A
Boost Conversion efficiency: 92 .5% (3.6V input, 5v2a output)
Battery static current:

Function：
1. When the load current is less than 50mA continuously, the output will be
turned off.
2. Support external key, connect the key to K point and output negative pole,
short press to turn on power display and 5V output, continuous
3. Two short presses will turn off the power display and turn off the 5V output.
4. When the charging current drops to 100mA after reaching the final floating
charge voltage, the charging cycle will be automatically terminated.
5. When the battery voltage drops below 4. 1V, the charging cycle starts again.
6. When the battery voltage is lower than 2.8V, the battery will be pre charged at 1 80mA.
7. Usb-a base welding position is provided on the back of the product, which
can be installed manually.
8. It supports discharging while charging.

Package Included：
12pcs Type-C USB 5V 2A Boost Converter Step-Up Power Module （USB not welded ）