A line of battery packs used to charge electronic devices are being recalled this week because they can overheat and cause a fire. Goal Zero's Sherpa brand 50 and 120 rechargeable battery packs that are used to charge cellphones, tablets, laptops and other devices. The battery packs can be plugged into an A/C wall outlet, a 12 volt car charger or an attachable solar panel for recharging. The battery packs can overcharge, overheat, bulge and melt the battery pack's enclosure, posing a fire hazard and risk of property damage. The doors have a black powder coated finish and have four major components: a large square sheet metal panel, a smaller triangular sheet metal panel, a tubular metal frame and a latch. The latch is silver with a black locking mechanism that attaches to the vehicle frame and a handle that attaches to the door.