Store or ship lithium batteries in this military-grade, UN Rated case with Fire Retardant Anti-Static (FRAS) lining to reduce risks. Designed to minimize the risks associated with thermal run-away events while shipping or storing lithium-ion batteries. Lithium-ion batteries are so-called electrochemical energy storage devices and achieve a high energy density, i. Our battery charging. This is done by using our LithiumSafe™ Cable Entry Plug. This is a 240 minute fire- resistant certified plug that prevents fire penetration via the charging cable in case of thermal runaway. It includes five durable shelves, each designed to support up to 75 kg of weight.