2Pcs LiFePo4 BMS 4S 30A 12.8V Battery Charging Protection Board Suitable for Electric Bicycles, Electric Motorcycles, Energy Storage Equipment, Starting Power Supply

Specifications: Typ: BMS 4S 30A LiFePo4 Continuous discharge current: 30A (Max) Instantaneous discharge current: 56A Maximum charging voltage:12.8V-14.8V Charging current: 20A (Max) Overcharge detection 3.75±0.05V Protection delay 1300MS Overcharge release 3.60±0.05V Detection voltage: 3.60±0.05V Release voltage: 3.59±0.05V Balance current: 58mA Overdischarge detection: 2.1±0.08V The overdischarge detection delay is 145S Release voltage: 2.3±0.1V Detection voltage: 200mV Detection delay: 20 ms Current detection: 56±10A Release condition: Cut off the load Internal resistance: ≤20mΩ Working current: ≤30uA Sleep current (overdischarge) : ≤20uA Operating temperature range: -30+80 degrees PCB Board Size: 56x47mm/2.2x1.85" Package: 2pcs x 4S LiFePo4 18650 Battery BMS Balancing Charging Circuit PCB Protection Board

• 1.Parameter: This board is 4 string 12.8V Lithium iron phosphate battery protection board;High current protection board, continuous 30A current, with balance circuit, The board comes with cable.PCB Board Size: 56x47mm/2.2x1.85inch.
• 2.Function: The main function of this protection board is to protect and manage the battery pack. It has a balancing function and can prevent overcharging,overcurrent, and short circuits,ensure the safety of the battery and extend the service life.
• 3.High Quality: Compact size and lightweight;High-accuracy voltage detection circuit;fine workmanship and durable;stable performance.
• 4.Application: massager battery pack, LED lamp backup power supply, 12V electronic products, solar street lamp battery pack, monitoring backup power supply, and other products.
• 5.Package included: 2pcs 4 string 12.8V 30A Battery Charging Protection Board.