DSR121 Schumacher 10/50/250A Wheeled Battery Charger Starter 6/12 Volt. Schumacher's DSR121 10/50/250A 6/12V Wheel Battery Charger and Starter has a 250A engine start that is powerful enough for SUVs, trucks and large engines. The 25A/50A Boost mode-ramps up the voltage and sends a quick burst of energy into the battery to quickly bring deeply discharged batteries back to life. Fully automatic microprocessor control prevents overcharging and damage to both the battery and unit. The 4A mode monitors levels and switches to maintenance mode when fully charged. Digital display with LED indicators and touch pad allows for easy use and user controlled start/stop interface.

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov