What would one be willing to pay? http://www.ebay.com/itm/221779749891?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 P3 Battery on Ebay. EDIT: Forgot that some people imagine the worst when not enough information is given. This battery is from a brand new unit that is still in the box. I put it into my P3Pro to make sure it worked correctly.