How many jumps can the GBX45 do on a full charge?

NOCO does not publish a jump count. The 31 Wh battery typically gives a few jumps per charge, so recharge after each use if you rely on it.

Will it start a diesel truck?

It is rated for diesel engines up to 4.0L and gasoline engines up to 6.5L. Larger diesel engines need a higher-amp model.

What comes in the box?

The jump starter and its clamps. A USB-C cable and wall charger are not included, so you need your own USB-C charger.

How long does it take to charge?

About 48 minutes with a suitable USB-C PD charger. Five minutes of charge is enough for a jump start.

Can it charge a laptop?

Yes. The USB-C port delivers up to 60W in and out, enough for many laptops, tablets and phones.

Is $110 a good price?

That is the best new price among 8 stores as of November 5, 2026. It is a reasonable price for the GBX45, so buying at or near $110 is a good deal.

NOCO Boost X GBX45: 1250A 12V UltraSafe Portable Lithium Jump Starter

Q: Where is the NOCO Boost X GBX45: 1250A 12V UltraSafe Portable Lithium Jump Starter cheapest?

At eBay, for $110.00, as of our latest check.

Q: Where can I buy the NOCO Boost X GBX45: 1250A 12V UltraSafe Portable Lithium Jump Starter?

10 stores we checked sell it, including Walmart, eBay, VirtuColor Supply Tools, CI Motorsports, Best Buy.

Best price now

$110.00at eBayVerified

Compared across 8 stores. Prices are checked against each store and labelled with when.

Visit eBay

What reviewers say

4.5 / 5226 ratings

Rated 4.5 out of 5 from 226 ratings. Owners like the fast USB-C recharge, the compact size and the simple, safe clamps. Complaints center on the small battery capacity and missing accessories.

What people mention

Recharge speedPraisedOwners say the USB-C recharge is quick and a few minutes of charge is enough for a jump.
Battery capacityCriticisedSome owners say the 31 Wh battery gives only a few jumps before it needs recharging.
Build and sizePraisedOwners call it compact and solid for its power.
AccessoriesCriticisedBuyers note the USB-C cable and charger are not included.
Cold weatherMixedThe 4°F operating limit draws complaints from owners in very cold climates.

About the NOCO Boost X GBX45: 1250A 12V UltraSafe Portable Lithium Jump Starter

Features and Benefits:

An all-new design with extreme jump starting power for powerful engine starts. Rated at 1250-amps, this portable lithium car battery jump starter releases maximum energy at every start. This isn't an upgrade. It's a whole new series - the Extreme Series.

Equipped with USB-C technology that, combined with power delivery, gives you lightning-fast recharges. Completely recharges in just 48-minutes, or go from 0% to jump starting in just 5-minutes of charge.

Charge everything with USB-C Power Delivery. Its internal power bank provides 60-watts of power - both in and out - to effortlessly power your favorite USB-C devices, like phones, tablets, laptops, wearables, and more.

We took our UltraSafe technology and made it better. 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.

It's one of the most versatile lithium jump starters ever. Jump start all vehicle types, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more for up to 6.5-liter gasoline and 4.0-liter diesel engines.

NOCO Boost X GBX45 is a portable lithium jump starter for 12-volt batteries in vehicles up to 6.5-liters gasoline and 4.0-liter diesel engines, including cars, motorcycles, trucks, ATVs, boats, RVs, vans, SUVs, tractors, and more.