4S 40A Li-ion Cell Protections Board Balance Version s BMS Integrated Circuits Protective Board for Drill Motor Voogoo
$5.98
- 🔨[Can protect batterys and prolong the service life of batterys.
- 🔨[Used for Charging/discharging four groups of s in series.
- 🔨[Each group can connect multiple s in parallel.
- 🔨[Applicable to the nominal voltage of 3.7V, fully charged 4.2V s, can be drilled below 170W.
- 🔨[
