Bender vs IllmaculateHollohan vs CortezCharlie Clips vs DaylytPat Stay vs Head ICE <| sep |> Khawaja didn ' t play last year ' s historic DN match with a hamstring injury . <| sep |> The battery thing could be feasible technically If you found an old 4 cell lithium laptop pack , it would have a ~ 15 V output voltage , and they are typically charged off of a 19 V input laptop power brick . A dead battery wouldn ' t be that expensive and would get you the circuitry , and new cells are easily available as they are used in ecig box mods . Alternatively 4 cell lithium controller circuits battery management BMS , charge management board CMB , or protection circuit module PCM which needs a separate charger ideally can be had pretty cheaply on ebay , so you could build your own .