... ,6S,7S,9S,10S,11S,and other cells is available upon receiving customer's request 2.The above specifications ... the case for safety purpose because the temperature is about 50 degree C on the case when ... .We provide one year warranty.2.If items is defective , please notify us within 3 days ... condition to qualify for a replacement. 4.The buyer is responsible for all the shipping cost incurred.Advatages1. ...