We know you've got questions, and if you're brave enough to ask the world for answers, here's the outlet to do so. This week's Ask Engadget inquiry is from Arif, who needs a heavy-duty smartphone battery for his nomadic life. If you're looking to send in an inquiry of your own, drop us a line at ask [at] engadget [dawt] com.
"I'm kind of a nomad: I travel anywhere I can, sleeping away from civilization in my sleeping bag. My only issue is that my smartphone needs a recharge every two days. What I need, is an external battery pack that can give me a week's worth of juice -- but can I get a lightweight one that costs under $70?
