Schumacher Electric DSR166
Last updated: 24 October 2026
What this device draws
- Voltages it can be wired for
- 12-Volt and 24-Volt
“DSR166 2-in-1 4400 Peak Amp 12-Volt and 24-Volt Jump Starter and Portable Power Station”
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
Battery and charging
- Battery types it states
- 12-volt and 24-volt AGM, deep-cycle, gel, lead-acid, and wet cell batteries
- Auxiliary output
- 12-volt DC accessory outlet for powering 12-volt devices and a 2.1-amp USB port
- Cranking current
- 4400 peak amps
- Cold cranking amps
- 525 (12 volt) and 350 (24 volt)
- Cranking amps, hot, marine and cold
- 750 (12 volt) and 475 (24 volt)
“It is compatible with 12-volt and 24-volt AGM, deep-cycle, gel, lead-acid, and wet cell batteries.”
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
“It also functions as a portable power station with a 12-volt DC accessory outlet for powering 12-volt devices and a 2.1-amp USB port for keeping your smartphone, wearables, and other electronics charged wherever you are.”
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
“This powerhouse of a unit features a truly impressive 4400 peak amps, 750 (12 volt) and 475 (24 volt) cranking amps, and 525 (12 volt) and 350 (24 volt) cold cranking amps of jump starting power, to effortlessly start even large 10-cylinder gas and diesel vehicles.”
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
“This powerhouse of a unit features a truly impressive 4400 peak amps, 750 (12 volt) and 475 (24 volt) cranking amps, and 525 (12 volt) and 350 (24 volt) cold cranking amps of jump starting power, to effortlessly start even large 10-cylinder gas and diesel vehicles.”
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
“This powerhouse of a unit features a truly impressive 4400 peak amps, 750 (12 volt) and 475 (24 volt) cranking amps, and 525 (12 volt) and 350 (24 volt) cold cranking amps of jump starting power, to effortlessly start even large 10-cylinder gas and diesel vehicles.”
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
Identity
- Model code
- DSR166
“DSR166 2-in-1 4400 Peak Amp 12-Volt and 24-Volt Jump Starter and Portable Power Station”
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
Sources
- Archived document
Source: schumacherelectric.com/blogs/battery-blog/the-dsr-proseries-heavy-duty-battery-chargers-and-jump-starters
Retrieved October 10, 2026