All NOCO jump starters will hold up to 70% of the charge for a year.
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Noco Boost X 12 Volt Lithium Jump Starter, 4250 Amps, Model# GBX155

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Shipping:
Available nowStore Pickup:
Not available - online only
- PX Lithium Technology delivers incredible power, ultra-fast charging, and unmatched versatility
- USB-C power delivery
- Spark-proof technology and reverse polarity protection
See full description
Description
Key Specs
Reviews
Q & A
Warranty
Compare
Product Summary
What's Included
- (1) Lithium jump starter (1) Integrated HD precision battery clamps (1) 24in. USB-A to USB-C cable (1) 24in. 12V to USB-C cable (1) Storage bag
Features + Benefits
- PX Lithium Technology delivers incredible power, ultra-fast charging, and unmatched versatility
- USB-C power delivery
- Spark-proof technology and reverse polarity protection
Key Specs
| Attribute | Specification |
|---|---|
item# | 109722 |
Brand | NOCO Boost |
Manufacturer's Warranty | 1 year limited warranty |
Ship Weight | 7.95 LB |
Amps | 4,250 |
Volts | 12 |
Polarity Reversal Protection | Yes |
Internal Battery Type | Lithium-ion |
| Attribute | Specification |
|---|---|
Cable Length | 24 in |
Clamp Material | Plastic |
LED Indicators | Yes |
USB Ports (qty.) | 3 |
Adapters Included | Yes |
Reverse-Polarity Detector | Yes |
Product Weight | 7.1700 lb |
Dimensions L x W x H (in.) | 4.84 x 18.0 x 13.51 in |
Reviews
Questions & Answers
Questions
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· 3 months ago
How long will it keep a charge when not in use
1 answer-
ProductExpert6· 3 months ago
Helpful?
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· 11 months ago
Why only two cables/ways to charge this unit?
1 answer-
ProductExpert6· 11 months ago
The jump starter will come with a USB-C cable to charge it with. It would only have 2 cables, a positive and negative, as it is designed for portable direct jump starting of 12-volt lead-acid batteries. The red is for positive and the black for negative.
Helpful?
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· a year ago
Can I jump start a big truck a tractor?
1 answer-
ProductExpert29· a year ago
Model GBX155 is built to start 12‑volt batteries in large‑engine vehicles, supporting gasoline engines up to 10.0 L and diesel engines up to 8.0 L, and delivering 4250 A of starting current for heavy‑duty trucks and tractors.
Helpful?
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· 2 years ago
does it have a cigarette end to recharge in vehicle?
1 answer-
ProductExpert6· 2 years ago
It would include a 12 volt charging cable to charge it in the vehicle.
Helpful?
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· 2 years ago
Do u sell a protective case
1 answer-
ProductExpert5· 2 years ago
Currently we do not offer a protective case for this item.
Helpful?
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· 2 years ago
What size deisel will it srart?
1 answer-
ProductExpert6· 2 years ago
This jump starter can start diesel engines up to 8.0 liters.
Helpful?
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· 3 years ago
Does it come with a carrying case?
1 answer-
ProductExpert12· 3 years ago
This jump starter includes a storage bag.
Helpful?
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Warranty
Manufacturer's Warranty
1 year limited warranty
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Specifications
4,250
800
1,400
3,000
12
12
12/24
12/24
Yes
No
No
No
Lithium-ion
-
AGM
AGM
24 in
-
120 in
60 in
Plastic
-
Metal
Other
Yes
Yes
-
Yes
3
1
-
-
Yes
-
-
Yes
Yes
No
No
Yes
7.1700 lb
11.0000 lb
lb
42.0000 lb
4.84 x 18.0 x 13.51 in
10.625 x 10.875 x 9.75 in
23.0 x 20.0 x 44.5 in
18.0 x 10.0 x 19.0 in
-
8
1
2
-
Yes
No
No
-
0
-
1
-
150
-
-
-
No
No
-
-
Yes
Yes
Yes
-
Yes
0
1
-
-
7A x 2
1,600–3,200
-
-
12V/24V starting system vehicle
12V or 24V batteries and starting systems
-
-
120
60
-
-
Analog
LED
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