The Optimate 4 Dual Program XTEOM4 is a sophisticated 12V battery charger, maintainer, and tester engineered for lead-acid batteries, including STD, AGM, and GEL types, with capacities ranging from 2Ah to 50Ah. This charger features two distinct programs: one for direct battery charging and another for charging via a 12V CAN-bus system, making it an ideal solution for modern motorcycles, ATVs, side-by-sides, and personal watercraft. It delivers a consistent 0.8A charge current and incorporates a multi-stage desulfation and charging process to optimize battery health and extend lifespan. The Optimate 4 also performs a battery test to assess its condition, ensuring reliable performance and longevity for your vehicle's battery.