Power-Sonic deep cycle PDC range is purpose built for those applications which require regular and consistent cycling (charge and dis-charge). Commonly called deep cycling the oversized negative plates and a specialised paste formulation of the PDC can provide constant power for longer periods of time without shortening the life of the battery. They feature: Absorbent Glass Mat (AGM) technology for superior performance Valve regulated, spill proof construction for safe operation in any position Oversize negative plates and a specialized paste formulation for true deep cycle performance. Special additives in the paste ensure superior performance in deep discharge situations. Power/volume ratio yielding unrivalled energy density Rugged impact resistant ABS case and cover (UL94-HB) Approved for transport by air. D.O.T., I.A.T.A., F.A.A. and C.A.B. certified L. certified Applications Mobility Scooters Electric Bikes Caravans Marine Camping Specifications PDC12800