Milwaukee M18 HotShot™ Jump Starter

Milwaukee M18 HotShot™ Jump Starter

The 3841-20 Milwaukee M18 HOTSHOT™ Jump Starter is a next-generation, capacitor-powered jump starter designed for maximum reliability and zero downtime, delivering up to 2000 peak amps without the need for pre-charging or maintenance. Using M18 battery power to charge internal capacitors in under 70 seconds, it’s always ready when you need it—because a dead battery never seems to happen at a convenient time.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 3841-20
• Brand / Series: Milwaukee M18 HOTSHOT™
• Product Type: Portable jump starter (battery-powered capacitor system)
• Peak Output: 2000 peak amps
• Engine Compatibility: Up to 8.1L gas and 3.0L diesel engines
• Power Source: Milwaukee M18 battery (optimized for XC5.0 and above)
• Jump Capacity: Up to 70 jumps per charge with XC5.0 battery
• Ready Time: Prepares to jump in under 70 seconds
• Technology: Internal capacitor system (no pre-charging required)
• Cycle Life: Capacitors rated up to 500,000 cycles
• Temperature Range: Operates from -4°F to 122°F
• Display: Digital display with voltage readout
• Protection: Spark-proof, reverse polarity, and overheat protection
• Clamp Design: Custom clamps for improved terminal access and connection
• Durability: IP65 rated (tool only) for dust and water resistance
• Maintenance: No maintenance required

Ideal For

• Automotive, farm, and fleet applications needing reliable jump starting on demand
• Cold weather environments where traditional jump starters struggle
• Professionals who want a no-maintenance, always-ready solution
• Users already invested in the Milwaukee M18 platform
• Anyone who’s ever turned the key and heard nothing—this makes sure that’s a temporary problem