Polaris Ranger High-Output Battery Upgrade | XS Power 55Ah Stock Location KitBuilt to Work as Hard as You Do. The Polaris Ranger is the ultimate utility machine, but its factory battery often struggles to keep up with heavy duty winching, work lights, and power attachments. This XS Power Stock Location Upgrade replaces your weak factory cell with a high capacity powerhouse, ensuring your Ranger starts every timeno matter how hard you push it. Performance Specs: 55Ah Extreme Capacity for maximum accessory runtime. 740 Cranking