Reddit reviews Organizer 2pcs 4S 30A 14.8V Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Balance Integrated Circuits

1.Over charge protection, over discharge protection function, short circuit protection function, over current protection function, balance.2.Charging port of the plate and the discharge port is the same, both positive and B- connecting3.battery"-", P- charging port and port on the negative electrode4.Conditions for Starting the Drill: To successful starting the drill requires three 15C-20C power batteries, or six 10C-15C power batteries (ordinary 18650 battery can not start the drill!! Recommended power battery models: SONY VTC4, VTC4A, VTC5A, VTC6). For connecting cables, use copper wire over 3 square millimeters, the shorter the better (can not use nickel plate!!!).5.The battery charging detection interface with DC output in the form of needle. Do the same mouth