Rating 2/5 This unit gets two stars for...use. However, these benefits are...unit is so power hungry that...powerful, brand new and expensive batteries...more than a few minutes. ...(not Duracell, but not junk either...four D's) and set out to...Before the bed was fully inflated,...puff and wheeze and emit an...out on me and leaving the...I installed some brand-new Energizers and...but even these began to drain...is that the power demands of...spending a king's ransom on batteries....Energizers will do the job, and...for long (and there is no...a rest when a plug outlet...the extra $10-15 on Coleman's rechargeable...here on Amazon. The money...will pay for the better unit...

Rating 3/5 This pump works alright. It...as small as it is. ...alternative to hand pumping the mattress...with others that it does not... It seems to get to...filling the mattress. Im not sure...you dont over fill it... but...still needs to be filled up...more frequently I would invest in...

Rating 1/5 This pump came with our Coleman...attempt to pump up that matress...day in May of 97 degrees,...After the mattress was almost completely...motor. The damage was not reversable...down. The fly wheel did not...anymore. The thing became instant trash....

Rating 5/5 perfect for camping away from it...for two weeks on one set...

Rating 5/5 I love this pump because it...have to throw away batteries. It...