... Bank Battery 4,Capacity:54000ma/h (max) Solar TentModel No: ST-S02 Certification(s): CE, FCC, ROHSMaterial of bagRandom patternWeight3100gStandard ... , over charge, over discharge, Multiple protections,etc ...12, With 16 adapters which suitable for a variety of Notebook products ... life is more than 500 times15, high-efficiency Poly-silicon solar panel, conversion rate > 16%, normal life >20 years.16, ...