longest power backup solution please

[sportingdad]

I currently have a trent 11,000 mAh backup power charger which I can get to last a week anyone know of better, no solar chargers required.

 

[twiggy0]

Found a $75 battery on Amazon that holds a 16000mAh Charge. About 50% more than your current one.

It should be able to last you almost two weeks.

http://www.amazon.com/gp/product/B0...17145&creative=399373&creativeASIN=B00439G3WS