3Pcs 4S 30A 14.8V Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Balance

Specifications: Over charge detection voltage: 4.28+ 0.05 V Over charging voltage: 4.095-4.195V Over discharge voltage: 2.550.08 Over charge detection delay time 0.1s Temperature range -30-80 Short circuit detection delay time: 100ms Over current detection delay time: 500 ms Balanced current: 60mA Working current: 30A Over current: 60A Short circuit protection function: there is, disconnect the load can be self recovery. Size:45x56mm Main function: Over charge protection, over discharge protection function, short circuit protection function, over current protection function, band balance. Interface definition: Charging port of the plate and the discharge port is the same, both positive and B- connecting battery"-" P- charging port and port on the negative electrode; B- N- P- pads are all over the hole, the hole diameter of the pad is 3.5mm; The battery charging detection interface with DC output in the form of needle. Do the same mouth when the N- is not wiring. Package included: 3 x 4S 30A 14.8V Li-ion Lithium 18650 Battery Protection board