If you're looking for safe battery chargers that works with most batteries, including standard, deep-cycle, AGM, and gel cell batteries, the DSR123 delivers a versatile battery tender charger ideal for automotive shop, dealer, and garage usage. The auto battery charger can work with a 12v lithium battery or 24 volt charger for car and rv battery charging. With a peak amperage of 250A, users will be able to charge, crank, and jump even large batteries. The car battery tender boasts a heavy-duty steel case that allows for outdoor usage, plus wheels and a handle. With a digital display, a microprocessor for fully automatic charging, and sturdy 4-gauge copper cables, this is a reliable battery maintainer 12 volt users can trust, and with its 24 volt versatility, it can even double as a boat battery charger. So if you're looking to stock you shop with new jump starters & battery chargers, consider bringing home this 24v and 12v lithium battery charger. The battery charger maintainer offers multi-stage charging for added precision, safety, and battery life and will quickly replace your usual battery tenders to become your go-to battery charger for car batteries.