... No explosionOvercharge Safety TestCrush Safety TestNeedling Safety TestExtrusion Safety Test130°C High Temperature Safety TestQC Standard for Cells:1. In good ... . Over-charging testingstorage:1. Use at temperature below 40°C,charge fully prior to long storage periods or if it ... an open,well ventilated,dry,clean area, between -20°C to 40°C for maximum life. self-discharge will accelerated at higher ...