Head-to-head · Jump Starters

NOCO Boost Plus GB40 vs NOCO Boost X GBX45

Both products side by side: five criteria scores, manufacturer list price and published specs. The conclusion below is generated from the scores — no opinions added.

NOCO Boost Plus GB40NOCO Boost Plus GB40 · 3.6/5 vs NOCO Boost X GBX45NOCO Boost X GBX45 · 3.7/5

What the scores say

On overall score, NOCO Boost X GBX45 ranks higher: 3.7 vs 3.6.

CriterionNOCO Boost Plus GB40NOCO Boost X GBX45
Scores
Overall3.6/53.7/5
Spec strength3.0
1000 A and 24 Wh vs 2000 A / 74 Wh on the HULKMAN Alpha85 and 4000 A on the GOOLOO GP4000; no USB-C Power Delivery.
3.5
1250 A and 31 Wh with real 60 W USB-C PD — a step up from the GB40's 1000 A / 24 Wh, still well under HULKMAN's 2000 A / 74 Wh.
Build quality4.5
IP65 enclosure rated for -4°F to 122°F, the same ratings NOCO publishes for its $369.95 GBX155.
4.5
IP65 and 2.16 lb — lighter than the GB40 (2.45 lb) with more output.
Fit & compatibility4.0
6.0 L gas / 3.0 L diesel covers most cars and half-ton gas trucks, but not diesel pickups (GBX155: 8.0 L diesel).
4.0
6.5 L gas / 4.0 L diesel adds small diesels the GB40 (3.0 L) cannot cover; big diesel pickups still need the GBX155.
Warranty & support3.0
1 year vs 24 months on HULKMAN and up to 30 months on GOOLOO.
3.0
1 year, same as the GB40, vs 24 months on HULKMAN.
Value3.5
$99.95 for 1000 A; the GOOLOO GP4000 lists at $189.99 for 4000 A, so you pay for NOCO's safety record and build, not amps.
3.5
$124.95, $25 over the GB40 for 25% more amps and 60 W USB-C; the HULKMAN Alpha85 lists at $199.99 for 2000 A.
Manufacturer list price
MSRP$99.95
as of Oct 16, 2026
$124.95
as of Oct 16, 2026
Published specs
Peak amps1000 A1250 A
Battery24 Wh lithium-ion31 Wh lithium-ion
Engine sizeGas up to 6.0 L / diesel up to 3.0 L (12 V lead-acid batteries only)Gas up to 6.5 L / diesel up to 4.0 L (12 V lead-acid batteries only)
Flashlight100 lumens, 7 modes100 lumens
SafetyUltraSafe spark-proof + reverse-polarity protection; manual override for batteries under 2 VUltraSafe spark-proof + reverse-polarity protection; manual override
IP ratingIP65 (port covers closed)IP65 (port covers closed)
Operating temperature-4°F to 122°F (-20°C to 50°C)Not shown on the page we read (NOCO publishes -4°F to 122°F for the Boost X GBX155)
Weight2.45 lb (1.11 kg)2.16 lb (0.98 kg)
Warranty1-year limited1-year limited
Jumps per chargeUp to 20Not published
USBUSB-A out 2.1 A (10 W); USB-C in 2.1 A — about 3 h to recharge at 2 A; no USB-C Power DeliveryNot published
Dimensions7.72 × 3.16 × 1.71 inNot published
USB cNot publishedUSB-C Power Delivery in/out, up to 20 V 3 A (60 W); about 0.8 h to full on a 60 W charger; 5 minutes of charge to a jump
USB aNot published5 V 2.1 A (10 W)
Best for
Best forCommuters with 4- and 6-cylinder cars; Anyone who values a decade-long safety record over raw ampsDrivers who want one device for jump starts and USB-C laptop charging; Small-diesel and V8 gas owners

Scores are calculated from the manufacturers' published specifications. BaniCar has not handled either unit. Specs and availability change — verify on the listing.

NOCO Boost Plus GB40 on Amazon NOCO Boost X GBX45 on Amazon

Full reviews: NOCO Boost Plus GB40 · NOCO Boost X GBX45. Updated Oct 16, 2026.