these SUCK. at least in many ways, they SUCK. but first the good: these tumblers are the most effective for keeping drinks cold. they are extremely good at this. the bad:

The desulfater feature is what sets this charger apart from other quality automatic chargers. I have had it rescue a couple of batteries that would not charge at all with my other chargers; now I can use them regularly! I initially bought the BatteryMINDer 1 amp unit (looks like an oversized wall-wart) and it did such a good job that I bought this larger unit as well (2 winter-stored sports cars and 2 tractors - you gotta have more than one charger).

I bought DE from another seller on my husbands account, so can't leave the review there but wanted to share with you how miraculous this is. Our puppy was dying from a very rare worm (rare to dogs) and there wasn't any solid cure. For nearly three months we watched our puppy waste away to near death, trying all of the veterinarians medications, injections, special food, to no avail. I even had other vets look at our puppy and went so far as to speak to a vet at Gainesville Veterinarian School. The consensus from all vets was to put our puppy down, as he was just too sick and unresponsive to treatment. My husband and I couldn't bear the thought of killing our sweet puppy, he was family. Through some research we found DE was being used in an animal shelter in another country, for pest control, specifically worms. We had nothing to lose, so we ordered this and gave him 1/4 tsp with wet food. He was 10# at the time and we worked him up to 1/4tsp over two days. By the fourth day our puppy was a completely different puppy. He was energetic, he was not passing worms at all, and his stools were normal. Within two weeks he was at his desired weight and today, just 3.5 months after DE he has doubled in size! He is no longer on DE and he's as healthy as can be. I think every pet owner needs to know about this product.

Believe you me, this stuff actually works on the skin. They want me to pay through my teeth, and I still rush off to buy Orogold products every time one gets over, because that’s just how effective they are. Grateful, they’re cheaper on Amazon!