Schumacher Electric DSR Pro 4000A Heavy-Duty Lithium Car Battery Jump Starter & Portable Power Station, For 12V Automotive & Marine Batteries, DSR164

Built for shop, fleet, and roadside use, the Schumacher Electric DSR164 is a commercial quality lithium jump starter engineered for professionals who demand reliability and performance. This multi-function powerhouse functions as a car battery jump starter, portable power pack, and LED emergency light, making it an essential tool for automotive, marine, and fleet environments. Reliable and Powerful Jump Starting Delivers a massive 4000 peak amps to jump start up to 10.0L gas and 8.0L diesel engines—yes, it starts diesel trucks and commercial vehicles with ease Jump Start Override Mode allows manual activation for deeply discharged batteries Pre-Boost and Pre-Heat Technology ensures safe, effective starts even in extreme cold or with deeply discharged batteries Versatile Portable Power Equipped with a 2.4A USB-A port to charge smartphones, tablets, and more Powered by dual 99.16 Wh lithium (LiFePO4) batteries for long-lasting, efficient energy delivery Recharges in 3.5 to 4.5 hours via AC wall charger or 5.5 to 6.5 hours with 12V DC car charger—both included Professional-Grade Durability Heavy-duty 4-gauge, 30-inch booster cables and color-coded clamps ensure maximum power transfer Reverse polarity protection with audible alarm prevents damage from incorrect connections IP65 dust- and water-resistant housing stands up to tough shop and roadside conditions Whether you’re managing a fleet, working in a professional garage, or preparing for roadside emergencies, the DSR164 delivers the reliable and powerful performance you need—a true jump box built to handle the toughest jobs.

• Schumacher Electric DSR Pro 4000A Heavy-Duty Lithium Car Battery Jump Starter & Portable Power Station, For 12V Automotive & Marine Batteries, DSR164
• Immediate Jump Starting Power - Delivers 4000-amp jump start strong enough to 10.0L gas and 8.0L diesel engines
• Professional Grade - Designed for professional users, the DSR164 combines high-quality components, dependable power, and cutting-edge features
• Jump Start Override Mode - Manually jump start deeply discharged low-voltage batteries that aren’t automatically detected by the unit
• Pre-Boost & Pre-Heat Technology - Adds a pre-charge and warms batteries for easier jump starting
• Portable Power Station - Features (1) 2.4A USB-A port and (1) 12V DC accessory outlet
• Reverse Polarity Protection - Alarm prevents damage to your battery and vehicle if clamps are accidentally reversed
• Superior Power Delivery - Heavy-duty 4-gauge, 30-inch booster cable and high-quality clamps ensure every drop of power possible reaches the battery
• LED Flashlight - With three lighting modes—steady, flashing (SOS), and strobe
• Lithium Power - Powered by dual four-cell 99.16 Wh lithium batteries
• Two Ways to Charge - Charge the jump starter with the AC wall charger or charge while driving using the 12-volt DC car charger
• Recharges Quickly - Recharge the internal lithium batteries in 3.5 to 4.5 hours with wall charger or 5.5 to 6.5 hours with DC car charger
• Complete Package - Includes (1) DSR164 Jump Starter and Portable Power Station, (1) AC wall charger, (1) 12V DC car charger, (1) user manual