# NOCO GBX155: portable battery jump starter 4250A (12V)

![NOCO GBX155: portable battery jump starter 4250A (12V)](https://bateriasonline.es/4250-home_default/noco-gbx155-jump-starter-4250a.jpg)

> NOCO GBX155: 4250A peak for petrol up to 10.0 L and diesel up to 8.0 L, 99 Wh battery, 60W USB-C in 2.7 h and 500-lumen torch. Who needs it and who does not.

**Category:** [Jump starters and battery boosters](https://bateriasonline.es/en/jump-starters-battery-boosters) → [NOCO](https://bateriasonline.es/en/noco-jump-starters)

- **Canonical URL**: https://bateriasonline.es/en/noco-gbx155-jump-starter-4250a
- **Language**: en
- **Brand**: NOCO
- **Reference**: BOL-NOCO-GBX155
- **EAN**: 1210000620095
- **MPN**: GBX155
- **Last updated**: 2026-11-04

## Quick description

Top of the Boost X range: 4250A peak for petrol up to 10.0 L and diesel up to 8.0 L, recharged through 60W USB-C.
- 4250A peak, 12V
- Petrol 10.0 L / diesel 8.0 L
- 99 Wh, 2.7 h at 60W
- 500-lumen LED torch

## Description

## NOCO GBX155: portable battery jump starter 4250A (12V)

The NOCO Boost X GBX155 is for the biggest 12V engines short of the commercial MAX range: petrol up to 10.0 L and diesel up to 8.0 L, in heavy pick-ups, vans, motorhomes, boats or tractors.
Over the GBX75 it adds 1750A (4250A in total), 1.5 L more diesel cover, a 99 Wh battery and a 500-lumen torch, weighing 2.64 kg. Recharging takes 2.7 h with a 60W USB-C charger or 16 h at 10W. If you need 16 L engines, or 24V, the GB250+, GB251+ and GB500+ take over.
It keeps the Boost X essentials: start after 5 minutes of charge, UltraSafe 2.0, 60-second timer, extra USB-A port and IP65.

### Features

- •   4250A peak current for 12V lead-acid batteries.
- •   Rated for petrol up to 10.0 L and diesel up to 8.0 L.
- •   60W USB-C Power Delivery input and output.
- •   Full recharge in 2.7 h at 60W, 16 h at 10W.
- •   Usable for a jump start 5 minutes after plugging in from 0%.
- •   UltraSafe 2.0: spark-proof, reverse polarity protected.
- •   5V, 2.1A USB-A port; 60-second power-saving timer.
- •   500-lumen LED torch including SOS and strobe.
- •   99 Wh battery, 2.64 kg, 306 × 175 × 69 mm, IP65 with ports closed.

### Technical data

| System voltage | 12V |
|---|---|
| Peak current | 4250 A |
| Internal battery | Lithium-ion, 99 Wh |
| Petrol engines | Up to 10.0 L |
| Diesel engines | Up to 8.0 L |
| Compatible batteries | Lead-acid: wet, gel, MF, EFB, AGM |
| USB-C (input) | 5V 1.5A / 9-20V 3A (Power Delivery, 60W) |
| USB-C (output) | 5-20V 3A (Power Delivery, 60W) |
| USB (output) | 5V, 2.1A (10W max.) |
| Recharge time | 2.7 h with a 60W USB-C PD charger; 16 h at 10W |
| LED torch | 500 lumens, with SOS and strobe |
| Jump start timer | 60 s (power saving) |
| Housing protection | IP65 (with ports closed) |
| Operating temperature | -20 °C to +50 °C |
| Charging temperature | 0 °C to +40 °C |
| Cooling | Natural convection |
| Dimensions | 306 × 175 × 69 mm |
| Weight | 2.64 kg |

### In the box

- •   NOCO Boost X GBX155 jump starter
- •   HD precision battery clamps
- •   USB-A to USB-C cable (0.6 m)
- •   12V to USB-C cable (0.6 m)
- •   Microfibre storage bag
- •   User guide

### Common questions

GBX155 or GB150?
The GBX155 gives 4250A, diesel up to 8.0 L and 60W USB-C charging; the GB150 gives 3000A, diesel up to 7.0 L, up to 80 starts per charge and a voltmeter.
Will it start a truck?
It is a 12V unit for petrol up to 10.0 L and diesel up to 8.0 L. Bigger engines or 24V systems call for the MAX models.
How long to recharge?
2.7 hours with a 60W USB-C PD charger, or 16 hours at 10W.

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*bateriasonline.es — Batteries and accessories · 2026-11-11*