The RING 30A Smart Charge Pro Battery Charger has multiple charge rate settings. Has a complete battery support unit. Designed for 12V and 24V vehicles with mixed battery types including Lithium and START/STOP. This charger has a slimline appearance, perfect for intensive use with a mix of vehicles, to use in garages, workshops and showrooms. Using the power supply function, maintain a constant battery voltage level at both 12V & 24V for when appliances or programming & vehicle diagnostic equipment is connected and drawing power. Multi-chemistry and charging level selection allow the user to set the specific charge needed for different battery types. Test settings provide battery and alternator diagnostics. Also has a LCD display and an easy to navigate menu. This charger features a smart charge technology which optimises battery performance and improves the ability to hold charge. Two dedicated charging curves, seven stage for Lithium batteries and eight stage for all other chemistries, optimising the battery performance and improving the ability to hold charge.