The Maxwell Ultra 31/1800 engine start module makes your truck even more reliable. Weather, waiting, or constant starting and stopping will not leave you stuck due to a drained or dead battery. This engine start module provides reliable starting in your truck from 40°F to 149°F/-40°C to +65°C.
Features:
- Provides Higher Voltage at Lower Temperatures
- Cold Starts To -40°C / -40°F
- Installs Like Standard Group 31 Batteries
- Recharges in ~15m or Less
- Extends the Lifespan of Lead Acid Batteries
- BCI Group 31
- 4 Year Limited Manufacturer's Warranty