... , RoHS certified. 2, Over 1000 cycles life 3, No memory effect 4, Superior High Rate Charge/Discharge Characteristics 1- CE ... 1000 cycles life 3- No memory effect 4- Superior High Rate Charge/Discharge Characteristics C size NI-MH battery 4000mAH 3 ... )0% mercury3)Widely application, especially in industrial use4)No memory effect5)Excellent performance, superior overcharge endurance, reliable quality.6) ...