Which is better for a large diesel truck?

The Hulkman Alpha 85. It is rated to 6.0L diesel and 2000A peak, while the GBX45 tops out at 4.0L diesel and 1250A.

Which is easier to keep in the car?

The NOCO GBX45. It weighs 2.16 lb against 4.03 lb for the Alpha 85 and is smaller in every dimension.

Is the Alpha 85 worth the extra $10?

Yes if you own a big engine or want up to 60 jumps per charge. If you drive a car or small truck, the GBX45 covers it and charges faster.

Which recharges faster?

The GBX45. It fully recharges in 48 minutes and can jump after 5 minutes of charge. The Alpha 85 reaches 80% in an hour and full in 90 minutes.

Can either charge my phone or laptop?

The GBX45 has a 60W USB-C port that works in and out, so it can charge laptops and phones. Hulkman does not publish a power bank wattage for the Alpha 85.

Do both survive rain and dust?

Both are IP65 rated with ports closed, so they resist dust and water spray but should not be submerged.

NOCO Boost X GBX45 Jump Starter vs Hulkman Alpha 85 Jump Starter

Buy the NOCO Boost X GBX45 if you want a light, fast-charging pack for cars, motorcycles and most trucks. Buy the Hulkman Alpha 85 if you need to crank big gas or diesel engines and want many jumps per charge. As of November 8, 2026, the GBX45 is $110.00 at eBay and the Alpha 85 is $119.99 at Amazon, so the gap is about $10.

Today the NOCO Boost X GBX45 Jump Starter costs $9.99 less at its best price.

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