I like that there is the option to charge 3 devices at a time. With that said, the life of the battery is spectacular. I’ve gotten 2 full charges for my phone without issue. It’s convenient to have the outlet plug instead of (another) USB-cable charging system. The slim size makes it very portable, you can take it wherever you go just by slipping it into your bag. I have traveled with this charger a few times now and it really helps. I won’t suffer a dead phone while I don’t know where to find a electric station. It works well, and I don’t have a complaint have it. You don’t need cables for this one, comes with an iPhone charger, c type, and mini cord plus ports for others. It’s thin – but a little thicker than your smartphone. You can hook up with a cable to recharge the battery or flip out a regular plug-in – which is super handy. I put it in my backpack for travel. So far, so good, I shared my personal user experience there, hoping useful to you.