Can-Am Defender (2016+) High-Output Battery Upgrade | XS Power 55Ah Stock Location KitMaximum Power for the Ultimate Utility Machine. The Can Am Defender is built to work, but factory batteries often fall short when you add high draw accessories like heavy duty winches, cab heaters, or high wattage lighting. This XS Power 55Ah Upgrade is the solutionproviding a massive jump in reserve capacity and cranking power to ensure your machine stays in the fight. Performance Specs: 55Ah Extreme Capacity for long lasting accessory support 740