ITEM NAME:3S 25A 12V 11.1V 12.6V Balance 18650 Li-ion Lithium Battery PCB Board 3C Specifications: 100% brand new and high quality. Size: about 56mm*45mm*1.2mm Over voltage range: 4.25-4.35v ±0.05v Over discharge voltage range: 2.3-3.0v ±0.05v Maximum operating current: 0-25A Maximum transient current: 34-40A Quiescent current: less than 30uA Internal resistance: less than 100mÃŽ © Working temperature: -40---+50℃ Storage.The internal resistance of 3 battery capacity are closer will be better. The capacity of the battery internal resistance is closer will be better. Short circuit protection: Yes, delayed self recovery.