NOCO GB250 Boost Max — 5,250A 12V/24V UltraSafe Lithium Jump Starter

NOCO GB250 Boost Max — 5,250A 12V/24V UltraSafe Lithium Jump Starter

The NOCO GB250 Boost Max delivers 5,250 amps of portable jump starting power — built for the largest gas and diesel engines on the road, water, or job site. Compatible with both 12V and 24V systems, the GB250 handles Class 8 semi-trucks, buses, coaches, motorhomes, and heavy construction and agricultural equipment, yet weighs just 24 lbs thanks to NOCO’s high-discharge lithium technology.

Key Features

• 5,250A peak starting current — starts gas and diesel engines up to 45L, including Class 8 semi-trucks, buses, coaches, and heavy equipment
• 12V and 24V compatible — handles virtually every commercial and industrial vehicle class
• UltraSafe technology — spark-proof, mistake-proof connections with reverse polarity protection for safe use on any 12V or 24V battery
• Integrated digital voltmeter — real-time battery diagnostics built in for enhanced troubleshooting
• Built-in USB power bank — charges smartphones, tablets, and USB devices anywhere
• Ultra-bright 2,200-lumen LED flashlight — 7 modes including SOS and emergency strobe
• Weighs just 24 lbs — commercial-grade power in a surprisingly portable package

Specifications

• Peak Current: 5,250A
• Voltage: 12V / 24V
• Compatible Engines: Gas and diesel up to 45L
• Weight: 24 lbs
• Flashlight: 2,200 lumens, 7 modes
• Warranty: 1-Year Limited

Ideal For

• Class 8 semi-trucks, buses, coaches, and motorhomes
• Construction, mining, and agricultural equipment
• Fleet managers and commercial operators needing maximum portable starting power

Ships from Thunder Battery — Canada's trusted battery and energy storage dealer.