Evike.com lays down 9 rules of Lipo battery safety that you need to take heed in order to maintain them well as well as making them safe to use and store... "Safety is our #1 Priority here at Evike.com.  We'll share as much Airsoft Safety knowledge where we can to help educate the Airsoft Community about taking the proper steps to maximize a fun and safe Airsofting experience for all Players. "