I made this amazing battery pack using 18650 cells, performing about 3X better than a LiPo battery of roughly the same weight and size. So instead of flying for 15 min, now you can fly for 45 min.

Amazon slashed this must-have Thermacell mosquito repeller to the cheapest price we've ever seen on Amazon in a huge Prime ...

The ultrathin Lisen MagSafe battery pack is a solid iPhone accessory, and now, during Prime Day, it's cheaper than ever.

Our top picks include smartwatches, tablet, noise-cancelling headphones and more.