Polaroid Battery Checker

Checking to see if a polaroid works can be a pain. This is a really simple build that costs very little. The only specialized part you need is a battery holder https://www.amazon.com/Black-Battery-Holder-Storage-Leads/dp/B00E0IXN20/ref=as_li_ss_tl?ie=UTF8&qid=1437019420&sr=8-11&keywords=4+aa+battery+holder&linkCode=sl1&tag=shawunio03-20&linkId=b6d8ee06e8f121d1b15225e93416dec3

https://youtu.be/A_5oBenPoZA