Review on Electric Air Pump for Inflatables – Rechargeable Battery Air Mattress Pump with 3 Nozzles for Air Beds, Pool Toys, and Swimming Rings by Tim Loya

I charged this pump overnight and took it on a 4 day hike the next morning. 3 air mattresses are filled in no time and are refilled every morning. 1 10ft inflatable boat with 3 filled compartments. 1 filled inflatable kayak. 3 full floating beds. Still blows like a full charge. Just be careful not to blow the ash and embers out of your ring - I carried a regular battery pump with extra batteries in case it died on me, but I didn't have to use it. Make sure to charge it fully before first use. I believe this is the key to long battery life.