Portable Power: The DSR166 can safely charge your smart devices like phones, tablets, laptops, wearables, and more via the 2.1-amp USB port or use the 12-volt DC accessory port to power your 12-volt DC devices
Powerful Jump Starting: The internal batteries supply 750 cranking amps and 525 cold cranking amps for 12-volt batteries and 475 cranking amps and 350 cold cranking amps for 24-volt batteries, providing reliable jump starting
Professional Quality: The Schumacher DSR166 provides 4400 peak amps sourced from two high-performance AGM batteries, enabling it to jumpstart vehicles such as cars, SUVs, trucks, boats, and other large engines.
In The Box: With your purchase, you will receive the Schumacher Electric DSR ProSeries DSR166 4400A/750 Cranking Amp 12-Volt/24-Volt Jump Starter and Portable Power Station and user manual
Reverse Hook-Up Alarm: With the DSR166, if the clamps’ connections are reversed an alarm will sound, preventing damage to the unit and your vehicle’s battery