Lipo Safety Sack For use when charging lipo batteries size 23cm x 30cm It is well known that we need to be a little more careful with our battery handling and with LiPO?s Overlander wants to help keep you safe with our LiPO Safety Sack. We have sacks for your battery storing and charging needs. If you have made the jump to LiPO, you should probably consider grabbing a few sacks for yourself. Ideal for storage of the lipos and then also invaluable for charging. Mark Barnes said "Invaluable for charging and storing Lipos, we have all seen and heard the horror stories, this give me peace of mind"