I would suggest Dell Inspiron i3531 ..
http://www.amazon.com/gp/product/B00KMRGF28/ref=as_li_tl?ie=UTF8&camp=1789&creative=390957&creativeASIN=B00KMRGF28&linkCode=as2&tag=technobrij-20&linkId=5UWUSSHNA5EEQ2GZ
I would suggest Intocircuit Power Castle 13000mAh...
http://www.amazon.ca/gp/product/B00GFDHNLA?keywords=battery%20bank&qid=1439429842&ref_=sr_1_30&s=electronics&sr=1-30