BMS Active Balance Li-ion 25ah 40a PCB

Product Description   Model Number JC-20S40A Place of Origin Guangdong, China Brand Name Phenyee Copper Thickness 1oz-4oz Min. Hole Size 0.25mm Min. Line Width 0.075mm/0.075mm(3mil/3mil) Min. Line Spacing 0.003" Surface Finishing HASL Lead Free Type li ion battery BMS Certificate ISO9001/Iso14001/CE/ROHS Usage Lithium Battery Packs,LiFePO4 etc Application E-bike,toy's battery pack, Power Bank,Power tool Solder mask Green. Red. Blue. White. Black.Yellow Number of layer double or Multilayer Material FR4 /aluminum/ceramicCEM1, CEM3 Rogers Etc             The advantages of 12S 48V battery: The voltage has been increased by 4.8V(Full voltage:4.4V*24S=105.6V,4.2V*24S=100.8V) The light time increased by about 30%： The flight time of 4.2V battery is 305s, but  the has a flight time of 4.4V is 400s.     We can customize all kinds of vTOL uav batteries, please contact us!   Product Superiority   1.Fast-charging battery for dro…