eletechsup 4S Type-c Multi-Cell 16.8V Step-up Boost Charger Module for 14.8V Battery Pack (4S_2A(Input), 4)

Description

• Input voltage : DC 5-12.8V(Recommend DC 5V 6V 9V 12V)
• Charging voltage : 16.8V
• Switching Frequency up to 1MHz
• Automatic Recharge
• Protection for Battery Voltage Being Low than Input and Short Battery

Product Name: 4S Type-c Multi-cell 16.8V Step-up Boost Charger Module for 14.8V Battery Pack

Description:
4-Cell(4S) 16.8V Version:

Input voltage : DC 5-12.8V(Recommend DC 5V 6V 9V 12V)
Input current : 1A(1A Version);2A(2A Version);3A(3A Version)
Charging voltage : 16.8V
Charging current(DC 5V) : 0.28A(1A Version);0.56A(2A Version);0.84A(3A Version)

1. Switching Frequency up to 1MHz
2. Quasi-CV mode to Compensate for the Voltage Loss on Battery Internal Resistance and Trace Resistance
3. Automatic Recharge
4. Protection for Battery Voltage Being Low than Input and Short Battery
5. Good adaptability to Input Supply with Limited Driving Capability
Battery Overvoltage Protection
6. Led indicator : ''CR'' LED is charge status indicator
7. Operating Ambient Temperature40 to 85
8. Size 43mm x 18mm x 6.3mm
9. Weight : 5g

Notes on use :
1 The output voltage of the charging port is a pulsating voltage, for example: the output voltage of the 8.4V version is 8-10V pulsating.
2 If the battery quality is relatively poor, sometimes it will cause continuous charging. At this time, you can reduce the resistance of R1 and lower the charging voltage.
3 When the battery is fully charged or not connected to the battery, the CR light is off.

Applications:
PDA, MP3 Players, MP4 Players
Digital Cameras
Game Players
Notebook
Mobile phone
Solar charging
Audio equipment
Portable Devices
POS , Electric Fan
TYPE-C Charging Cquipment

The input current is determined by the value of the two RCS
The charging voltage can be changed by changing the resistance of R1
Charging Voltage = 1.205*(1+R1(K) = 10*(Vcharg/1.205 -1)

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