Description

For reliable battery charging in a home garage or professional repair shop, the DSR121 ProSeries 12v lithium Battery Charger and Engine Starter is the perfect solution. Unlike other jump starters & battery chargers, this feature-rich battery tender charger boasts an easy-to-read, color-coded display, and a voltmeter for simple battery testing. With its heavy-duty clamps and transformer, as well as temperature overload protection, the DSR121 auto battery charger has the safety features professionals need. The DSR121 car battery tender provides up to 250 amps for jump-start and engine cranking capabilities, as well as a 25A to 50A boost to quickly charge nearly depleted lithium batteries 12v. However, this 12 volt lithium battery charger can double as more than just a lithium ion battery charger, and will work with standard, deep-cycle, AGM, and gel cell batteries. This versatile charger for car batteries can also serve you well as an rv battery or boat battery charger. Unlike other car chargers, it’s even safe to use indoors and outdoors thanks to its rugged steel case, and the DSR121 battery charger maintainer can be set on a timer control or continuous operation.

Compatible Batteries – The Schumacher DSR121 car battery maintainer + charger will charge 12V batteries and can be used for cars, SUVs, trucks, boats and large engines. The device works with standard, deep cycle, AGM, and gel cell batteries.
Battery Tender, Charger + Maintainer – The DSR121 is fully automatic and microprocessor controlled. It uses multi-stage charging, float mode monitoring, bad battery detection and a desulfattion mode to treat your 12 volt battery.
Boost Mode – This 12 volt battery charger doubles as a powerful engine starter, and can hit 250 cranking amps + a 12V 25A50A boost mode to quickly bring deeply discharged batteries back to life.
Safe + Easy to Use – Our automotive battery charger includes reverse hook-up protection and a simple digital display with streamlined LED indicators and push-button controls.
Trust in Schumacher – As a trusted name in car accessories, we proudly back every car charger, battery tester, and tender we release. Our products are designed to meet the needs of both professional and consumer users.