It happened January 11 inside the A&L Deli on the unit block of West Queen Lane.
Surveillance video shows the male suspect forcing open a basement door just before 3 a.m.
Once inside, he steals the entire cash register from the wall, sending sparks flying from the electrical outlet.
He also took over $300 in cigarettes before escaping back through the same basement door.
The suspect is described as a 30-40 year-old light complected male with a goatee. He was wearing a dark colored knit hat, dark colored jacket, gray hooded sweatshirt, light colored pants and black sneakers.
Anyone with information on this theft should call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).
VIDEO: Click here to watch the surveillance video