Hi, I'm new to this forum. Been reading for a few days but never posted.

I've had my eye on this external pack after seeing a review of it on youtube by a fellow backpacker sintax77:

http://www.amazon.com/dp/B00MQSMEEE?ref_=ams_ad_dp_asin_3
RAVPower 16750mAh External Battery Power Bank.

Has anyone else had any experience with this brand or model? Thanks.