Skip to product information
1 of 6

GreenKeeper

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 C Ports, LED Light, Smart Protection, GK-J1205

Regular price $164.99 USD
Regular price Sale price $164.99 USD
Sale Sold out
Shipping calculated at checkout.

Overview

  • Brand : GREEN KEEPER
  • Product Dimensions : 3.53"D x 8.36"W x 4.16"H
  • Item Weight : 2.91 Pounds
  • Amperage : 4000 Amps
  • Peak Output Current : 4000 Amps
  • Battery Cell Composition Lithium Polymer : Voltage 12 Volts
  • : Battery Cell Composition Lithium Polymer
  • : Voltage 12 Volts
  • Vehicle Service Type ATV, Motorcycle, Passenger Car, RV, Snowmobile, Truck, UTV, Van ATV, Motorcycle, Passenger Car, RV, Snowmobile, Truck, UTV, Van See more : Battery Capacity 4000 Amp Hours
  • : Vehicle Service Type ATV, Motorcycle, Passenger Car, RV, Snowmobile, Truck, UTV, Van ATV, Motorcycle, Passenger Car, RV, Snowmobile, Truck, UTV, Van See more
  • : Battery Capacity 4000 Amp Hours

About this item

  • Powerful and Reliable Jump Starter: The GK-J1205 Jump Starter is not just a jump starter; it’s a comprehensive solution for your car’s emergency needs. Capable of delivering 2000A starting current and reaching a 4000A peak, this car battery jump starter is designed to efficiently jump start most 12V vehicles, including those with 10.0L gas and diesel engines. Ensure you’re never stranded with a dead battery again with this powerful jump starter.
  • Portable Battery Jumper Starter: Compact yet robust, the GK-J1205 Jump Starter is your ideal portable battery jumper starter. With dimensions of 212.21×89.78×105.64 mm, it’s easy to store in your car's glove compartment or travel bag, making it ready for unexpected battery drains. This lightweight device is easy to carry and handle, ensuring you have a reliable power source wherever you go.
  • Multifunctional Car Jumper Starter Portable: This car jumper starter portable device does more than just jump start your car. It includes an 88.8Wh lithium battery with multiple output ports, including a QC18W USB-A port and a PD65W Type-C port, making it perfect for charging your smartphones, tablets, laptops, and other USB devices on the go. The built-in LED light with multiple modes (Lighting/Strobe Light/SOS) adds to its versatility.
  • Jump Start Battery Pack with Safety in Mind: Safety is paramount with the GK-J1205 Jump Starter. Equipped with an intelligent protection system, it features overcurrent, overcharge, overdischarge, and short-circuit protections, along with spark-proof technology and reverse polarity protection. This ensures safe and secure operation, giving you peace of mind during emergencies.
  • All-in-One Portable Car Jump Starter: The GK-J1205 Jump Starter is a comprehensive car jump starter kit. It comes with a jump start battery pack, heavy-duty jumper cables, a Type-C charging cable, a cigarette lighter adapter, and a durable carrying case. Whether you have a sedan, SUV, motorcycle, or boat, this portable car jump starter ensures you’re never stranded with a dead battery. Designed for all weather conditions, it operates effectively from -20℃ to 60℃ (-4°F to 140°F), making it a reliable companion for all your adventures.
View full details

Wander Freely. Camp Confidently. Live Fully.

Whether you’re setting out on a solo trek, a family camping trip, or a weekend getaway under the stars, Wandernook is here to bring comfort and adventure to your journey.

Camping Gear

We partner with trusted brands and focus on gear built to last.


At Wandernook Camping Shop, we believe camping is more than an escape—it’s a way to reconnect with nature, adventure, and yourself. Our mission is to provide high-quality gear and essentials that make every outdoor experience comfortable, safe, and unforgettable

Shop Now
  • ⭐️⭐️⭐️⭐️⭐️

    Love the lightweight design of this camping stove. It’s perfect for backpacking and cooks food quickly and evenly.
    Jessica K.

  • ⭐️⭐️⭐️⭐️⭐️

    This camping tent was super easy to set up and kept us dry even during heavy rain. Spacious enough for the whole family!
    Michael B.

  • ⭐️⭐️⭐️⭐️⭐️

    The portable cooler kept our drinks ice-cold all day long. Durable build and easy to carry around. Highly recommend!
    David M.

Frequently Askes Question

How long does shipping take?

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

Is free shipping available?

We do not currently offer free shipping. However, this may be added at some point. We apologize.

How can I get a tracking number for my order?

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

How do I process a return or exchange?

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.