DC 5V 2.1A Mobile Power Diy Board 4.2V Charge Discharge Boost Battery Protection Indicator Step Up Module 3.7V Lithium 18650 DIY

DC 5V 2.1A Mobile Power Diy Board 4.2V Charge Discharge Boost Battery Protection Indicator Step Up Module 3.7V Lithium 18650 DIY

Specification:

Output voltage : 5V

Output current : 0-2.1A

Discharge current : 0-3.5A

Charging current : 0-2.1A

Size : 26.7 x 18.1 x 5.7mm

Full charge voltage : 4.2V+-1%

Charge quiescent current : 100uA

Discharge quiescent current : 50uA

Discharge conversion efficiency : maximum 96%

Operating ambient temperature : -20° to +85°

Charge voltage : DC 4.5V-5.2V (If the power supply is 5.2V-5.5V, please parallel diodes (eg SS34 SMB)

Pin descrtion:

1 VIN : Charging port +

2 GND : Charging port -

3 BAT : Battery port +

4 GND : Battery port -

5 GND : Output port -

6 VOUT: Output port +

7 KEY : Output trigger port(Low pulse trigger)

Comes with battery protection, do not need battery protection board

(if your battery comes with a protective board, it does not matter)

Overcurrent protection(OCP)

Overvoltage protection(OVP)

Short circuit protection(SCP)

Over temperature protection(OTP)

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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