Airhead AHP-12R 12V Rechargeable Air Pump This rechargeable air pump is small, convenient and versatile. It comes equipped with a 120 volt AC charger and a 12 volt charger that plugs into cigarette lighters. Once charged, you can use this pump cord-free. Our 12 volt air pump is equipped with three adapters to fit valves on towables, pool toys, airbeds and other inflatables. It will inflate or deflate continuously for 15 minutes on a charge. Peak air pressure is 0.64 psi, volume is 260 liters/minute.And drawing 11.3 amps / 75 watts, this is the best towable tube pump that recharges. For optimum performance, we recommend topping off large towables inflated with this rechargeable pump with a few strokes of the Double Action Hand Pump or the Bellows Foot Pump.