Specifications of Lithium Battery for Ultrasonic Flaw Detector:

Combination way: ICR18650-4S2P;  
Rated Voltage: 14.8V;
Rated capacity: 4400mAh;
Standard discharge continuous current: 0.2C;
Max discharge continuous current: 1C;
Working temperature: charge: 0~45℃/discharge: -20~60℃;
Product size: MAX 37.7*38.7*133mm;
Product impedance: ≤300mΩ;
PCM: IC-S8254AAF+MOS-AO4409;
Lead model: UL1007/20#, length: 100mm;    
Protection parameters:
   Overcharge protection voltage/each serial: 4.35±0.025V;
   Over discharge protection voltage: 2.4±0.08V;
   Over current: 15-25A.