LC-EM-1278

Product Name

1s2s3s4s boost voltage fast charging lithium battery drone charging module Type-C input 4.2~20V input

About LC-EM-1278

PW4000 is a charging management chip for 1-4 lithium batteries, capable of operating within an input range of 4.2V to 20V,
with a maximum charging current of 3A. The charging voltage can be configured through an external resistor.
In charging mode, if the input voltage is lower than the full charge voltage of the battery, it will be boosted for charging;
If the input voltage is higher than the full charge voltage of the battery, then step down charging

LC-EM-1278 View

LC-EM-1278 Front View

LC-EM-1278 reverse view

Introduction and Explanation

Board size: 20mm * 34mm/4g

Functional Features

• By configuring resistors, it can support charging 1-4 lithium batteries
  

• Type-C 5V or wire input voltage, input voltage range 5-20V
  

• Charging current maximum 2A

Instructions for use

Connect voltage through Type-C or soldering, with an input voltage range of 4.2~20V

If the purchased 2S charging module has an output voltage of 4.2V

If the purchased 2S charging module has an output voltage of 8.4V

If the 3S charging module purchased has an output voltage of 12.5V

If the 4S charging module purchased has an output voltage of 16.8V

The number of battery cells must match the charging module. For an 8.4V 2S battery, only the 2S charging module can be used. The same applies to 1S, 3S, and 4S batteries

If there is no battery at the output end of the charging module, the red and green lights will flash respectively after the charging module is powered on, indicating an abnormality

If the red light of the charging module is constantly on, it indicates that it is charging

If the green light of the charging module is constantly on, it indicates that the charging is complete

Download LC-EM-1278 User Manual

For more information on the use of LC-EM-1278, please refer toBaidu Netdisk Extraction code: wqri