I've purchased 4-5 anker battery packs and usb chargers, very happy with quality of product, however recently switched to ravpower because of lower price for, a

I've purchased 4-5 anker battery packs and usb chargers, very happy with quality of product, however recently switched to ravpower because of lower price for, as of now, comparable quality, so far I purchased battery pack and USB charger (6 outputs) for 30% cheaper than anker. I have no connection to either company, this is my personal experience, and both make great products.