I finally found the ultimate car charger for my iPhone - and it's on sale for $25

Adrian Kingsley-Hughes/ZDNET Regularly priced at $30, the ESR MagSafe Car Mount Charger with CryoBoost is on sale for $25 during Amazon's Big Spring Sale event. The other day I looked at what I thought was the ultimate in-car wireless charger, the ESR HaloLock with CryoBoost technology. I still stand by my assessment that this is the best in-car charger I've tested, by far. But several readers got in touch with me to say that while they could indeed benefit from a wireless charger that offered built-in cooling (because, like me, they would get unreliable charging in hot weather), the vent mount mechanism was a deal-breaker. Also: This car charger doubles as an emergency device Now, to be clear, the vent mounting holder that the HaloLock with CryoBoost wireless car charger came with didn't give me any problems at all. Once I took a few seconds to set it up right, it was great. And I gave it many tens of miles of bad road in my truck, and many more miles in a rental car. But I can ... Read full article.