If you are into drones, FPV or RC, or just using lipo batteries in other applications, be aware that they might catch on fire while charging.
Bat-Safe Lipo Battery Fire Resistant Safe Lipo Battery Charging Box
Bat-Safe Mini Lipo Battery Fire Resistant Safe Lipo Battery Charging Box
Tenergy Lipo Bag, Fire Retardant Lipo Battery Bag for Charging and Storage, 7x9inches
RC LiPo Battery Safety Charging Bag Fireproof Charge Storage Fire Guard Bags SL
RC LiPo Battery Safety Charging Bag Fireproof Charge Storage Fire Guard Bags LG
ULTRA MAX 6V 1.3AH (1.2AH) Rechargeable Battery Fire & Burglar Alarm Security