The AirMan Air Gun from Active Tools can keep all your inflatables (footballs, basketballs, air mattresses, beach toys, etc.) pumped up. It will also inflate your car, motorcycle and bicycle tires. The tool comes with its own lithium-ion battery with AC charger plus a 12-volt DC cord that you can alternatively plug into your car’s power socket. A pre-set pressure gauge with auto stop function, various inflatable adapters and a built-in LED light are also included. The 4.25-pound AirMan is available for about $70 through www.amazon.com and other online resellers.