0 ratings
4000A Portable Car Jump Starter: 12V Battery Jumper Box Emergency Kits for 10.0L Car Truck, Auto Booster Start Pack, Fast Charger Power Bank with USB C Ports, LED Light, Smart Protection, GK-J1205
Our exclusive force start feature allows you to start your car even when the battery is completely drained at 0 voltage.
4000A Portable Car Jump Starter: 12V Battery Jumper Box Emergency Kits for 10.0L Car Truck, Auto Booster Start Pack, Fast Charger Power Bank with USB C Ports, LED Light, Smart Protection, GK-J1205

4000A Portable Car Jump Starter: 12V Battery Jumper Box Emergency Kits for 10.0L Car Truck, Auto Booster Start Pack, Fast Charger Power Bank with USB

0 ratings Write a review
Out of stock
us Imported from USA store
Our Top Logistics Partners
  • fedex
  • dhl
Our exclusive force start feature allows you to start your car even when the battery is completely drained at 0 voltage.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Jump Current
With 1000A peak current, this jumper starter ensures quick and efficient engine starts, making sure you won't be stranded in emergencies.
Integrated Power Bank
The built-in power bank allows you to charge devices like smartphones and tablets, providing essential battery backup during road trips or emergencies.
Durable Protection Case
Housed in a robust protection case, this product is designed to withstand tough conditions, ensuring reliability and longevity for all your roadside needs.

Product Details

Shop 4000A Portable Car Jump Starter: 12V Battery Jumper Box Emergency Kits for 10.0L Car Truck, Auto Booster Start Pack, Fast Charger Power Bank with USB C Ports, LED Light, Smart Protection, GK-J1205 online at a best price in Cook Islands. B0D54VJWZS
Battery TypeLithium Polymer
Voltage12 Volts
Compatible with Vehicle TypeATV, Motorcycle, Passenger Car, RV, Snowmobile, Truck, UTV, Van
Battery Capacity4000 Amp Hours
Amperage4000 Amps
Peak Output Current4000 Amps
Automotive Fit TypeUniversal Fit
Item Dimensions D x W x H3.53"D x 8.36"W x 4.16"H (9 x 21.2 x 10.6 cm)
Item Weight2.9 Pounds (1.32 kg)
Brand NameGREEN KEEPER
Manufacturer Part NumberGK-J1205
ManufacturerDong guan Carosstech Co.,Ltd
Model NumberGK-J1205
Item Type Namejump starter car battery jump starter battery jumper starter portable car jumper starter portable jump start battery pack portable car jump starter car jump starter
Included ComponentsAir Compressor Hose, Jump Starter, Jumper Cables, USB Charging Cable, User Manual
BrandGREEN KEEPER
Battery Cell CompositionLithium Polymer
Product Dimensions (L x W x H)3.53"D x 8.36"W x 4.16"H (9 x 21.2 x 10.6 cm)
Vehicle Service TypeATV, Motorcycle, Passenger Car, RV, Snowmobile, Truck, UTV, Van

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Emergency Preparedness

    Ideal for users who want a reliable solution for roadside emergencies, providing peace of mind during travel.

  • Frequent Travelers

    Great for individuals who travel often and may face unexpected battery issues, ensuring mobility and convenience.

  • Car Enthusiasts

    Essential for car owners who frequently work on their vehicles, needing a dependable power source for jump starts.

Not Suitable For
  • Heavy Vehicle Owners

    Not suitable for users with large trucks or heavy machinery, as it may lack sufficient power for larger batteries.

Product Description

4000A Portable Car Jump Starter: 12V Battery Jumper Box Emergency Kits for 10.0L Car Truck, Auto Booster Start Pack, Fast Charger Power Bank with USB C Ports, LED Light, Smart Protection, GK-J1205

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Car Jump Starter 3000A portable used for?

    Answer: A Car Jump Starter 3000A portable is primarily used to jump-start vehicles with gas or diesel engines up to 8.0L. This device provides a powerful surge of current to your vehicle's battery, allowing you to start your engine when it has run low on power. Additionally, many models offer features like built-in air compressors, lights, and USB ports for charging devices. This is especially useful during emergencies or when you find yourself in a remote location without help.
  • Question: How does the PD65W fast charge feature work?

    Answer: The PD65W fast charge feature enables rapid charging of the jump starter itself, typically done through a standard wall outlet or a USB-C connection. This technology ensures that the jump starter can be recharged quickly, allowing you to get back on the road faster. This is particularly beneficial for users who may have forgotten to recharge their jump starter or need to use it urgently. Fast charging capabilities also enhance the product's convenience for regular or occasional use, ensuring that it’s always ready when needed.
  • Question: Can the Car Jump Starter 3000A charge other devices?

    Answer: Yes, the Car Jump Starter 3000A is capable of charging other devices like smartphones, tablets, and laptops via its USB ports. This feature makes it an excellent multi-use device, especially for those who are often on the go, allowing you to keep your gadgets charged during a road trip or in emergencies. With the combination of jump-starting and device charging, it offers great versatility and peace of mind for travelers and everyday drivers alike.
  • Question: Is the Car Jump Starter 3000A safe to use?

    Answer: Yes, the Car Jump Starter 3000A is designed with multiple safety features, including reverse polarity protection, over-current protection, and over-voltage protection. These functionalities prevent any mishaps, ensuring that you can jump-start your vehicle safely without damaging its electrical system. This focus on safety is essential, especially for those who may be new to using jump starters, as it adds an extra layer of reassurance while using the product.
  • Question: What types of vehicles can I jump-start with this device?

    Answer: You can use the Car Jump Starter 3000A to jump-start a variety of vehicles, including cars, trucks, motorcycles, and even some larger vehicles with gas or diesel engines up to 8.0 liters. This wide compatibility makes it a versatile tool for families or individuals with multiple vehicles, ensuring that you’re prepared for any situation. It’s a handy solution for vehicle owners who want to avoid potential roadside dilemmas.
  • Question: How do I know if the jump starter is fully charged?

    Answer: Most Car Jump Starter 3000A models are equipped with indicator lights or a digital display that shows the battery status. When the battery is fully charged, the indicator light turns green or the display reads a certain level, confirming readiness for use. Regularly checking the charge level before traveling can help avoid unpleasant surprises and ensure you're always prepared for emergencies.
  • Question: What should I do if my jump starter doesn’t work?

    Answer: If your Car Jump Starter 3000A does not operate as expected, first check the connection clamps to ensure they are securely attached to the vehicle's battery terminals. If everything is connected properly and it still doesn't work, verify that the jump starter itself is charged. Additionally, consult the user manual for troubleshooting tips or reset instructions. If issues persist, it may require professional evaluation to diagnose any potential defects.
  • Question: What’s included with the jump starter purchase?

    Answer: When you purchase the Car Jump Starter 3000A, you typically receive the jump starter unit itself, along with jumper cables, a charger, and user instructions. Some models may also include additional accessories like a carrying case or a car charger. This comprehensive package ensures that you have everything needed to get started, making it user-friendly right out of the box.
  • Question: How compact is the Car Jump Starter 3000A?

    Answer: The Car Jump Starter 3000A is designed with portability in mind, featuring a compact and lightweight structure. This makes it easy to store in your vehicle's trunk or glove compartment without taking up excessive space. Its portability is an essential feature for users who need a reliable jump-starter on the go, ensuring that help is always within reach without the bulk of traditional jump-start devices.
  • Question: Where can I buy the Car Jump Starter 3000A?

    Answer: You can buy the Car Jump Starter 3000A at Ubuy in Cook Islands. Ubuy offers a comprehensive selection of automotive essentials, including this powerful jump starter, ensuring you find the right product for your needs. Their platform is user-friendly and allows you to browse various specifications and customer reviews, helping you make an informed decision.

GREEN KEEPER Jump Starters GK-J1205 Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.