Battery features: •Output modes – VW / Bypass / Smart / TC (Ni, Ti, SS) / TCR •Output wattage 1 – 80W •Resistance ranges 0.05 – 1.5ohm (TC modes) / 0.1 – 3.5ohm (VW/Bypass/Smart modes) •Dimensions 49.55mm x 23.5mm x 83.5 mm NOTE: Battery only, no tank included.