 CBAK Energy Technology Inc NASDAQ: CBAT subsidiary Dalian CBAK Power Battery Co. has obtained performance certification from the testing, inspection, and certification company SGS for its special 26650 lithium-ion battery, designed for the ultra-low temperature application. SGS granted the Special 26650 Battery the certification after conducting various rate performance tests at temperatures between -50C and 30C to a sample group provided by CBAK Power. 