... charge and discharge circlesStorage temperature--20°C-60°CMeasure-110 x 75 x 16MMWorking temperature- -10°C-40°CShort circuit Protection-Device ... the second light start flashing.After charge to 50% - 75% battery capacity, the second lights also no longer flash, ... output selected)Battery life- 500 charge and discharge circlesMeasure-110 x 75 x 16MMCompatibility-Mobile Phone, PSP, IPHONE,I PAD,IPOD,MP3 ...