Boost X GBX155 4250A Jump Starter for 10L Gas & 8L Diesel Engines

Boost X GBX155 4250A Jump Starter for 10L Gas & 8L Diesel Engines

Regular price $52.22
Sale price $52.22 Regular price $113.99
SAVE 54%

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Boost X GBX155 4250A Jump Starter for 10L Gas & 8L Diesel Engines

Boost X GBX155 4250A Jump Starter for 10L Gas & 8L Diesel Engines

Regular price $52.22
Sale price $52.22 Regular price $113.99
SAVE 54%

The Boost X GBX155 jump starter delivers a 4250A peak current for starting 10.0L gasoline and 8.0L diesel engines, making it a reliable emergency tool for car owners, off-road enthusiasts, and construction vehicle operators. Its compact and lightweight design, with a carrying case, ensures easy storage in the trunk.

It features a one-button start and a high-definition LCD display showing battery power, startup status, and fault indicators. The integrated 400-lumen LED flashlight offers 7 light modes including SOS and strobe for emergencies. It also supports 60W USB-C Power Delivery for charging phones, tablets, laptops, and can act as a portable power bank.

Recharge the unit in 1.8 hours via USB-C PD, or get enough power for a jump start in 5 minutes from a depleted battery. The package includes the GBX155 jump starter, heavy-duty clamps, USB-C charging cable, and a microfiber storage bag.

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4.7 · 3 reviews

Reviews imported from our previous store / verified customer feedback

★★★★★

Built for the Big Engine

The 4250A rating and support for up to 10-liter gas engines made this the right emergency unit for our truck.

Joseph B.December 2025
★★★★★

USB-C Recharging Is Convenient

I can top up the jump starter quickly and also use its 60-watt output for a laptop or phone.

Joshua B.December 2025
★★★★☆

Substantial Roadside Backup

It is more unit than a small commuter car needs, but I value the extra capacity for diesel equipment.

Julian B.December 2025