---
product_id: 406035164
title: "Boost Max GB250 5250 Amp 12 Volt UltraSafe Portable Lithium Jump Starter Box, Battery Booster Pack, and Commercial Jumper Cables for Gasoline and Diesel Engines Up to 16 Liters, Gray"
brand: "noco"
price: "€ 2586.65"
currency: EUR
in_stock: true
reviews_count: 1
url: https://www.desertcart.sk/products/406035164-boost-max-gb250-5250-amp-12-volt-ultrasafe-portable-lithium
store_origin: SK
region: Slovakia
---

# 5250A peak power 12V lithium tech 600-lumen LED light Boost Max GB250 5250 Amp 12 Volt UltraSafe Portable Lithium Jump Starter Box, Battery Booster Pack, and Commercial Jumper Cables for Gasoline and Diesel Engines Up to 16 Liters, Gray

**Brand:** noco
**Price:** € 2586.65
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up like a pro—never get stranded, always stay charged.

## Quick Answers

- **What is this?** Boost Max GB250 5250 Amp 12 Volt UltraSafe Portable Lithium Jump Starter Box, Battery Booster Pack, and Commercial Jumper Cables for Gasoline and Diesel Engines Up to 16 Liters, Gray by noco
- **How much does it cost?** € 2586.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/406035164-boost-max-gb250-5250-amp-12-volt-ultrasafe-portable-lithium)

## Best For

- noco enthusiasts

## Why This Product

- Trusted noco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Mighty:** Only 15 lbs but built to replace bulky jump starters—power meets portability.
- • **All-Weather Ready LED:** 600-lumen flashlight with 7 modes including SOS & strobe—your roadside rescue companion.
- • **Multi-Device Power Bank:** Charge your phone, tablet, or essentials on the go with fast USB output and 4-hour recharge.
- • **UltraSafe Patented Tech:** Spark-proof & reverse polarity protection for flawless, worry-free connections every time.
- • **Unmatched Commercial Power:** 5250 amps to jumpstart engines up to 16L—dominate any diesel or gas beast.

## Overview

The NOCO Boost Max GB250 is a professional-grade 5250-amp lithium jump starter designed for commercial and industrial use, capable of starting gasoline and diesel engines up to 16 liters. Featuring patented UltraSafe technology for spark-proof and reverse polarity protection, it ensures safe, mistake-free operation. Despite its immense power, it weighs just 15 pounds and doubles as a portable power bank with fast USB charging. Equipped with a 600-lumen multi-mode LED flashlight and backed by a 1-year warranty, the GB250 is engineered in the USA to deliver reliable, compact, and versatile power for the toughest jobs.

## Description

The GB250 Boost Max is one of the most powerful lithium jump starters ever designed, delivering an incredible 5,250 amps of peak starting power to jump start gasoline and diesel engines up to 16 liters. Engineered specifically for commercial and industrial use, it starts the largest Class 8 trucks, buses, motorhomes, agricultural equipment, construction machinery, mining vehicles, and vocational fleets—covering 6, 8, 12, and even 16-cylinder engines with ease. At the core of its safety system is NOCO’s patented UltraSafe Technology, featuring spark-proof connections and reverse polarity protection to ensure safe, mistake-free operation on any 12-volt battery—trusted by professionals around the world. Despite its immense power, the GB250 weighs just 15 pounds, replacing bulky, outdated alternatives with a compact, portable design that fits in its custom EVA protective case. It also functions as a portable power bank with integrated USB output to charge smartphones, tablets, and other essential devices, and recharges fully in just 4 hours using the included 56W power adapter. For added utility, it features a precision-engineered 600-lumen LED flashlight with seven light modes—including SOS and emergency strobe—making it ideal for roadside repairs, emergency response, and low-light work environments. Included in the box are the GB250 12V UltraSafe Lithium Jump Starter, 56W XGC power adapter, four interchangeable AC cords (Australia, Europe, North America, United Kingdom), XGC extension cables, and a Max Protection EVA Case. Backed by a 1-year limited warranty and engineered in the USA, the GB250 is the ultimate professional-grade solution when failure is not an option.

## Features

- BOOST MAX SERIES — One of the most powerful lithium jump starters ever. Up to 5,250 amps to start gas and diesel engines up to 16L - engineered for commercial and industrial engine starts.
- ULTRASAFE TECHNOLOGY — Patented spark-proof and reverse polarity protection ensures safe, mistake-free connections on any 12V battery - trusted by professionals worldwide.
- COMMERCIAL-GRADE POWER — Starts nearly any engine - Class 8 trucks, buses, motorhomes, agricultural, construction, mining, and vocational equipment - 6, 8, 12, and 16 cylinders.
- PORTABLE POWER BANK — Integrated power bank delivers emergency power to smartphones, tablets, and more. Fully recharges in 4 hours with the included 56W power adapter.
- INTEGRATED LED FLASHLIGHT — Precision-engineered 600-lumen LED with 7 light modes, including SOS and strobe. Illuminate repairs, emergencies, or low-light environments.
- COMPACT FOR ITS CLASS — Only 15 lb, yet delivers unmatched starting power. Replaces oversized units with a compact design - engineered to start the largest and most demanding engines.
- WHAT’S IN THE BOX — GB250 jump starter, 56W power adapter, AC cords (AU, EU, US, UK), XGC adapters, and EVA protective case. Backed by a 1-year warranty and engineered in the USA.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | NOCO |
| Brand | NOCO |
| Model | GB250 |
| Product Dimensions | 49.5 x 35.99 x 24.89 cm; 6.67 kg |
| Batteries | 1 Lithium Ion batteries required. |
| Item model number | GB250 |
| Exterior | Machined |
| Manufacturer Part Number | GB250 |
| OEM Part Number | GB250 |
| Bulb Type | LED |
| Special Features | 5,250A 12V Commercial Jump Starter, Lithium Powered Jump Starter, Spark-Proof and Reverse Polarity Protection, Works On Gas and Diesel Engines |
| Amperage | 5250 Amps |
| Voltage | 12 Volts |
| Item Weight | 6.67 Kilograms |

## Product Details

- **Brand:** NOCO
- **Battery cell composition:** Lithium Ion
- **Voltage:** 12 Volts
- **Product dimensions:** 49.5D x 36W x 24.9H centimeters
- **Vehicle service type:** Lawn Mower, Motorcycle, Passenger Car, RV, Tractor, Truck, UTV, Van, Watercraft

## Images

![Boost Max GB250 5250 Amp 12 Volt UltraSafe Portable Lithium Jump Starter Box, Battery Booster Pack, and Commercial Jumper Cables for Gasoline and Diesel Engines Up to 16 Liters, Gray - Image 1](https://m.media-amazon.com/images/I/71nCWU6zjLL.jpg)

## Questions & Answers

**Q: Is the internal battery replaceable?**
A: No. In the case of a faulty internal battery, the entire unit itself would be replaced under warranty.

**Q: How many Mah is this item?**
A: 65,600 mAh

**Q: Since this supports over 5000 amps, can it be used for spot welding?**
A: I have used two of the 155 in a series to weld 
Worked great just won’t weld for very long before they run down  
Have to hold the safety over ride down to turn on if no polarity recognized. Same as a completely  dead  battery

**Q: How long does it take to charge full?**
A: The GB250 takes approx. 8.5hr to charge at 56W

## Customer Reviews

### ⭐⭐⭐⭐⭐ الحوسني
*by خ***ي on 20 December 2024*

ممتازه 👌👌

## Frequently Bought Together

- NOCO Boost Max GB250 5250 Amp 12-Volt UltraSafe Portable Lithium Jump Starter Box, Battery Booster Pack, and Commercial Jumper Cables for Gasoline and Diesel Engines Up to 16-Liters
- NOCO Boost X GBX155: 4250A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 6.5L Gas and 4.0L Diesel Engines
- NOCO Boost Max GB251 3000 Amp 24-Volt UltraSafe Portable Lithium Jump Starter Box, Battery Booster Pack, and Commercial Jumper Cables for Gasoline and Diesel Engines Up to 32-Liters

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**Shop now:** [https://www.desertcart.sk/products/406035164-boost-max-gb250-5250-amp-12-volt-ultrasafe-portable-lithium](https://www.desertcart.sk/products/406035164-boost-max-gb250-5250-amp-12-volt-ultrasafe-portable-lithium)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-04*