Manufacture specifications:
S3 40A Balanced 
  • Charging voltage: DC 16.8V ~ 17V
  • Continuous discharge current: maximum 40A
  • Continuous charging current: maximum 20A
  • Product size:  44 * 55 * 4mm
  • Working temperature: -40℃ to +85℃
 
 
S3 40A Enhanced  
  • Charging voltage: DC 12.6V ~ 13.6V
  • Continuous discharge current: maximum 40A
  • Continuous charging current: maximum 20A
  • Product size:  41 * 55 * 4mm
  • Working temperature: -40℃ to +85℃
 
S3 60A Balanced 
  • Charging voltage: DC 12.6V ~ 13.6V
  • Continuous discharge current: maximum 60A
  • Continuous charging current: maximum 10A
  • Product size:  44 * 55 * 4mm
  • Working temperature: -40℃ to +85℃
 
S3 60A Enhanced 
  • Charging voltage: DC 12.6V ~ 13V
  • Continuous discharge current: maximum 60A (40A without active cooling)
  • Continuous charging current: maximum 20A
  • Product size:  44 * 55 * 4mm
  • Working temperature: -40℃ to +85℃
 
Note that these values are the ones provided to us by the manufacturer. End users should refer to the specification sheet for full details on how to use these BMS boards.
We do not accept returns on items that have been used and or damaged.