BOOST MAX Series.

Commercial-Grade.

The Boost Max Series - Introducing our most powerful lithium jump starters yet. Designed for the largest, most challenging engine starts ever. It's commercial in every way. It jump starts almost every type of vehicle and equipment, including semi-trucks, motorhomes, coaches, buses, mining, agricultural, construction, and vocational equipment.

Boost Max On Semi Truck

MASSIVE POWER.

Boost Max With Engine S_2

JUMP START

12V / 24V

BATTERIES.

UP TO

45L+

ENGINES.

Boost Max Auto Power Conservation

START VEHICLE WITHIN 60 SECONDS.

AUTO POWER CONSERVATION.

Start the vehicle within 60 seconds after pressing the power button on Boost. After the 60-second timeout is complete, the unit must be powered off, then back on, to initiate a new jump-start sequence. The yellow power LED indicates the 60-second sequence is over and can be reset if another jump start sequence is needed.

Boost Max UltraSafe 2.0 Spark Proof

REVERSE POLARITY PROTECTION.

SPARK-PROOF.

We took our UltraSafe technology and made it better— UltraSafe 2.0. It's still our simple, mistake-free design featuring spark-proof technology and reverse polarity protection, but with enhanced thermal efficiency and power management to provide better performance and longer battery life.

Boost Max Charging USB Devices Phones Tablets Go Pro Headphones etc

CHARGE DEVICES.

USB CHARGE & RECHARGE.

With two built-in 2.1A USB ports, you can power multiple devices at the same time, such as smartphones, tablets, action cameras, wireless headphones, wearables and more. With over 242 watt-hours of lithium power, the GB251+ can provide endless hours of operation and recharge your devices multiple times before needing a recharge.

Boost Max Portable Power

POWER 12V DEVICES.

PORTABLE POWER.

It's more than just a battery jump starter pack, it's portable 12-volt power. With the GB250+, GB251+, and GB500+, you can go anywhere and power your favorite 12-volt devices, like a tire inflator, car jack, power inverter, coffee maker, fan and much more.

Boost Max Rapid Recharge With XGC4 L

CHARGE UP TO 4X FASTER.

RAPID RECHARGE.

From 0-100% 4X Faster. Charge directly from the vehicle's 12-volt auxiliary port or the XGC4 4-Amp Power Adapter to recharge it’s 242 watt-hours lithium-ion battery in 8.5 hours.

Boost Max Integrated Voltmeter

UNDERSTAND THE PROBLEM.

INTEGRATED VOLTMETER.

Integrated Voltmeter / 60 Second Countdown Timer. Boost MAX is equipped with an integrated voltmeter to help pinpoint battery issues. The voltmeter doubles as a 60-second countdown timer, which shuts off Boost MAX after 60 seconds to help preserve internal battery charge.

Boost Max High Lumen Work Light L

ULTRA-BRIGHT.

HIGH-LUMEN FLASHLIGHT.

More than a jump starter, Boost MAX is a useful tool for daily use and emergency situations alike. Boost MAX is equipped with a 600-Lumen LED flashlight with various brightness modes, SOS, and emergency strobe— handy to have as a roadside or road trip tool.

Boost Max Unrivaled Portability

COMPACT & LIGHTWEIGHT.

UNRIVALED PORTABILITY.

Jump starters this powerful typically are enormous and weigh hundreds of pounds, but our high discharge lithium technology makes it the most compact and lightweight design in the world. And its portable carrying case makes jump starting more convenient than ever.

BOOST MAX JUMP STARTERS.

COMPARE.

GB250+

USD $1,199.95

Learn More
5250A
Jump Start
12V
Lead-Acid Batteries
2X USB-A OUT
Up to
16L
Gas Engines
Safe On All Engine Sizes
Up to
16L
Diesel Engines
Safe On All Engine Sizes
600
Lumens
LED Work Light
IP65
(w/ Ports Closed)
1YR
Hassle-Free Warranty
Fast Charge
XGC
RECHARGE TIME
56W
8.5hrs

GB251+

USD $1,199.95

Learn More
3000A
Jump Start
24V
Lead-Acid Batteries
2X USB-A OUT
Up to
32L
Gas Engines
Up to
32L
Diesel Engines
Safe On All Engine Sizes
600
Lumens
LED Work Light
IP65
(w/ Ports Closed)
1YR
Hassle-Free Warranty
Fast Charge
XGC
RECHARGE TIME
56W
8.5hrs

GB500+

USD $1,999.95

Learn More
6250A
Jump Start
12V & 24V
Lead-Acid Battery Systems
2X USB-A OUT
Up to
45L
Gas Engines
Safe On All Engine Sizes
Up to
45L
Diesel Engines
Safe On All Engine Sizes
2,200
Lumens
LED Work Light
IP65
(w/ Ports Closed)
1YR
Hassle-Free Warranty
Fast Charge
XGC
RECHARGE TIME
56W
6-8hrs
Built-in digital voltage display.
Compare All Jump Starters

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