MH-CD42 DC 5V 2.1A mobil Power Diy kártya 4.2V töltés/kisütés (növelés)/akkumulátorvédelem/jelző modul 3.7V lítium 18650
MH-CD42 DC 5V 2.1A Mobile Power Diy Board 4.2V Charge/Discharge(boost)/battery protection/indicator module 3.7V lithium 18650
wy-plugin-starBBS:   http://forum.mhetlive.com/  
Product Features
Charging voltage: DC 4.5V-5.5V (recommended DC 5V)
Charging current : 0-2.1A
Charging quiescent current: 100uA
Full voltage: 4.2V -1% .
Discharge current: 0-3.5A;
Discharge quiescent current: 50uA
Discharge efficiency: 96% maximum
Output voltage: 5V
Output current: 0-2.1A;
Ambient temperature: -20° to 85°
Module with lithium battery protection function (for lithium battery without
protection, with protection board)
Overcurrent protection (OCP)
Overvoltage protection (OVP)
Short circuit protection (SCP)
Over temperature protection (OTP)
Charge and discharge power level 4 interval indication
Pin definition
Size
Use tutorial
When the module is charging, the output will switch the external power supply (it
will be powered off for 0.3s). The charging output voltage will be less than >4.7/<5V,
depending on the charger load capacity!
Trigger mode: low level trigger (ground)
Connect the user of the single-chip microcomputer, if the small load KEY can be
connected to the single-chip 20S to give a low level, the module can continue to work
 
Indicator light
 
Applications
Car charging retrofit
 Driving recorder power supply
 Mobile power / charging treasure
Portable devices such as mobile phones and tablets
Note
The use of this electronic product requires a certain knowledge base. If you do not
understand, please be careful to buy it. Otherwise, it may be damaged due to
improper use or over-range use. Thank you for your understanding and support.
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