Replacement battery for Fire Vulcan LED Contains two lightweight lithium ion nonotechnology cells which are encased in foam padding Completely recharges in 5 hrs Replacement Battery for the Fire Vulcan LED. It contains two lightweight lithium ion nanotechnology cells which are encased in foam padding, and has an exposed wire lead. Completely recharges in 5 hrs.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }