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4 In 1 Charger Discharger Boost 5V 2.1A Module for 3.7V 4.2V Battery DIY Mobile Power with Button

$24.99 $15.99

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Description

trigger: input LOW(grounding)
Single Chip Using: If Small load KEY connect 20S single chip and supply with input LOW, the module will work well.

Charge voltage: DC 4.5V-5.5V(Recommend DC 5V)    
Charging current: 0-2.1A
Charge quiescent current: 100uA
Full charge voltage: 4.2V+-1%
Discharge current: 0-2.4A
Discharge quiescent current:50uA
Discharge conversion efficiency: MAX 96%
Output voltage: 5V
Output current: 0-2.4A
Operating ambient temperature: -20°to +85°
Size: 25x16x4mm
Weight: 2.3g
PCB board design: Immersion Gold
Battery protection: OCP/OVP/SCP/OTP


About module pin
1 VIN: charge port +
2 GND: charge port -
3 BAT: Battery +
4 GND: Battery -
5 GND: output -
6 VOUT: output +
7 KEY: trigger


Note:
1.In discharging mode(charging mode KEY function invalid), trigger KEY one time,output open; trigger two times, output close.
2.Output will open automatically if you connect load. If load below 50MA, the module will turn off output port; if load over 50MA, output port will always open.
3.Allow charging and discharging at the same time(output voltage should below 5V.Stop charging and stop discharging,you should reactivation the module.)


Package
1x module
1x button

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4 In 1 Charger Discharger Boost 5V 2.1A Module for 3.7V 4.2V Battery DIY Mobile Power with Button

$24.99 $15.99