6S 7S 30A 50A BMS Board with NTC for 37V Ternary Lithium Battery Protection Board for Electric Tools 6S With 6PIN 7S With 7PIN _x000D_ _x000D_ _x000D_ Features: 1.The product is made of high-quality materials with guaranteed quality 2.Stable product performance and long service life 3.Eight fold protection, safeguarding safety: overcharge protection, over discharge protection, overcurrent protection, short circuit protection, over temperature protection, electrostatic protection, dust protection, and moisture protection 4.Universal use of ternary lithium batteries, some usage scenarios include electric scooters, electric bicycles, car washing machines, small household appliances, electric drills, aircraft models, etc 5.7S with 7PIN terminal wire, 6S with 6PIN terminal wire 6.NTC temperature detection, charging over temperature 50 C protection, discharging over temperature 70 C protection _x000D_ Parameter: Wiring precautions: Installing protective boards requires a certain level of technical and electronic knowledge reserve; When wiring, first connect the B-line at the pad position to the negative terminal of the battery (the B-line needs to be soldered with a short thick wire), and then solder the strip terminal to the battery pack before inserting the protective board; The connection between the battery main B - and the protection board main B - should be short and thick, otherwise it may cause the protection board to charge and discharge in advance and misoperate. When wiring P+/P -, thick wires are required, as too thin or too long wires can burn the board! _x000D_ Package include: Module X1 Terminal wire X1 _x000D_ _x000D_ _x000D_