QR Code Link to This Post Model is PC545MJ for metal jacket. It has a very thin tight fitting jacket that is actually meant for extending the usable temperature range of the battery, not just for impact protection. https://www.batterystuff.com/powersports-batteries/PC545MJ.htmlMeant for motorcycle, aircraft, snowmobile and formula car use. Dimensions: 7" L x 3.38"W x 5.17" H 12.6 lbs. Excellent condition, hardly used. Not many charge -discharge cycles on it. Cost $116 Sell for $50.Chuck No text, voice only to show contact info Text ok to show contact info (note CA area code on cell)