Cheap Twin, Heated Mattress Pad by Electrowarmth, Non-Fitted, Size 36 x

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This item works well. However do not try to compare it to Electrical blankets you are used to using at home. It takes a while to heat up the mattress, and I have found it takes far too long for my mattress to cool back down after I turn it down, or off. The coldest I have used it so far is in 45 degree conditions, and I left it on a setting of one and used 1 fairly thick blanket over a very thin blanket, over the sheet. Mostly I use it to preheat the bed then turn it off, or to it's lowest setting.

I have it under a comforter under my bedsheet and cannot feel it, or the wires, or the safety pins you must use to pin it to the mattress. But there is no doubt it is on when you crawl into a toasty bed. Turn it on at least 30 minutes beforehand.

The claimed 4 amp draw and the 5 amp fuse must be applicable only to the single model. I have the twin and it draws 6.2 amps. It cycles on and off frequently but silently, and the temperature dial is also the thermostat, so keeping it outside the covers will allow it to run more often( warm the mattress more) than if is is under the covers.

The dial is numbered 1 through 7. It actually turns on at well below one on the dial. The Ciggy plug is one of the best designs out there. It fits snugly and does not warm up significantly. My Laptop can draw similar amperage through a ciggy plug, and it has partially melted the supplied ciggy plug.

In my experience it will use a minimum of 1.5 amp hours per hour on the lowest setting. Keep in mind that alternator does okay at replenishing a battery that is below 80%, but will take forever to bring it from 80% to 100%. Using this product night after night without adequate driving or other charging source in between will abuse your battery, and eventually leave you needing a jumpstart, and after a few jumpstarts, a new battery. Do not believe that your 140 amp HD alternator can replenish a battery in under an hour. Batteries cannot accept those currents for very long(under a minute), if at all, and the OEM wiring cannot transmit it even if the alternator could produce it in the engine compartment, rather than a Laboratory

Also a Marine/ dual purpose battery should be used as opposed to a starting battery. Starting batteries cannot handle deeper discharges and will self destruct prematurely. True Deep Cycle batteries are best for powering this heating pad, but 12 volt true deep cycle batteries are not that easy to find, and about 30% more expensive than regular starting or Marine batteries.

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My son drives semi truck over the road. We bought him this item last Christmas. He is still thanking us for this item. He says that it has been the best gift we ever bought him. Highly recommend for anyone that spends time in cold weather!! 12volt and wasn't hard on the battery.

Best Deals on Twin, Heated Mattress Pad by Electrowarmth, Non-Fitted, Size 36 x

We spend 6 months of the year on our boat. Getting into bed at night we noticed that the bedding was more humid than we liked, not damp, just more moisture than we like. We also had occasional mildew on the walls. Somewhat skeptically, I ordered the heated mattress pad to try it out and since it did plug into 12v.

Wow! What a difference getting into bed at night. The bunk is nice and comfy and all traces of moisture in the bedding is gone and as a plus, we have not seen the reappearance of mildew on the walls. So far we haven't seen the need to leave it on all night but we could with the modest current draw. This is one great product to have on a boat! It's my wife's favorite addition over the last 12 months.

Honest reviews on Twin, Heated Mattress Pad by Electrowarmth, Non-Fitted, Size 36 x

The mattress pad was bought as gift for someone sick and when finally opened to use, it wasn't new but old and stained and ugly. Because a gift, the 30d return passed, and when vendor was notified, they asked for it to be returned, which I did promptly. After receiving the return she said it had been too long and a refund or exchange could not be honored. So I bought a gift that was embarrassingly used and stained when opened, then paid for the return to vendor and lost not only the original purchase cost but the return shipping too. So, was it sent out used to someone else? Bad experience all around. Worst response ever had with internet order.

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just turn it on and cover it up for 30 min before use. Reduce to minimum when the engine is off. It will eat up your battery in 3 hours anyway. I use it in my semi truck (it has 4 big sections of batteries).