I thought it might be good to list all our options in a single thread. It would be nice to list the pro's and cons of each. If you own any of these cases, please share your opinion. If your case is on its way or don't have any experience with a battery case, please refrain from posting.
- ZeroLemon - ZeroShock Rugged Black Battery Case + Removable 3500mAh Battery Pack
Power Output: 1A – Enough electrical current to power through your phone while conserving original battery longevity
- Mugen Power - 3000mAh Battery Case for LG Nexus 5 [CC-Nexus5]
Not much info on site
- Limefuel - Black L28N5 2860mAh Google Nexus 5
- i-Blason - PowerGlider Rechargeable External Battery 2,500mAh
Capacity: 2,500mAh = 1 full charge of Nexus 5 internal battery, Input: 5V/800mA, Output: 5V/500mA