NOCO Boost GB50 UltraSafe Jump Starter 1500A
- 1500 A peak, 12 volt lithium
- Up to 7.0 L gas and 4.5 L diesel engines
- Up to 30 jump starts per charge
- Spark-proof clamps with reverse polarity protection
- USB-C power bank output
- 200 lumen LED flashlight, seven modes
- IP65 rated enclosure
- 3.3 pounds, 4 x 8.25 x 4.75 inches
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact lithium jump starter for vehicles up to the stated gas and diesel engine sizes, with safety protections, a power bank port and a flashlight. Larger engines fall outside the rating.
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ASIN: B07MVY7K43Model: GB50Category: Jump Starters
Overview
Not a plug-in charger, this lithium jump starter stores power internally and delivers a burst to start a dead battery. Spark-proof clamps and reverse polarity protection guard against hookup mistakes.
Safety features and a wide vehicle list make it a flexible glovebox tool, and the power bank and light add emergency use. The limitation is the engine size ceiling, which excludes large diesels.
Who it's for
Owners of cars, trucks, motorcycles, boats and similar vehicles within the rated engine sizes can carry it for roadside emergencies. Fleet operators, or anyone with oversized diesels, need a heavier-duty booster.
Pros and cons
- Spark-proof clamps with reverse polarity protection
- USB-C charging and power bank use
- Built-in LED flashlight
- IP65 rated enclosure
- Engine size ceiling for gas and diesel
- Needs recharging to stay ready
Performance notes
A jump starter releases stored current through the clamps for a few seconds, so the main limits are battery charge and engine size. A depleted internal battery cannot start a car, so periodic recharging matters. The safety circuits stop current when the clamps are reversed.
Where it stands among jump starters
- #7 most-searched brand and model of the 42 jump starters lines we track (by search demand, not sales).
From the specs of the 64 jump starters we list; not a test result.
Specifications
| Brand | Noco |
|---|---|
| Model | GB50 |
| Dimensions & fit | |
| Item weight | 3.3 pounds |
| Item Dimensions D x W x H | 4 x 8.25 x 4.75 inches |
| Capacity & performance | |
| Peak Output Current | 1500 A |
| Battery Capacity | 3.15 amp hours |
| Power & efficiency | |
| Battery Type | Lithium |
| USB c power | Power bank output |
| Voltage | 12 volts |
| Compatibility & installation | |
| Compatible with Vehicle Type | ATV, motorcycle, passenger car, RV, tractor, truck, UTV, van, watercraft |
| Warranty & support | |
| Manufacturer Warranty Description | 1-Year Limited |
| Other details | |
| Specification Met | UL |
| Engine rating | Up to 7.0 L gas and 4.5 L diesel |
Closest rivals on specs
GOOLOO GP4000 Jump Starter 4000A- Item Weight 3.3 vs 3.9 pounds (-15%)
Frequently asked questions
What comes in the NOCO Boost GB50 box?
The listing names the jump starter pack, heavy-duty booster clamps, a microfiber storage bag, a USB-C charging cable, a user guide and the one year limited warranty.
Can the NOCO Boost GB50 charge a phone?
Yes. The description says it doubles as a USB-C power bank for phones and tablets.
Will the NOCO Boost GB50 start a large diesel truck?
The rating tops out at 4.5 L diesel and 7.0 L gas, so engines above those sizes are not covered.