Charging batteries is now safer than ever with Venom’s updated battery safety charge sack. Not only have they included high temperature fireproof thread, but Venom has also added snaps to the existing Velcro closure flap to contain fire and debris in case of a catastrophic failure. Made of flame resistant material, this sack will help protect you and surrounding areas from possible fire damage. Use the safety sack while charging, storing or transporting your battery packs. Available in 2 sizes to fit a wide range of battery packs.