Jump Starter Battery Pack 3000A: 12V Car Battery Booster for 8.0L Gas/Diesel Engines, Force Start Car Battery Jumper with PD65W Fast Charge Powerbank, Safety Smart Jumper Cable, Emergency LED Lights
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FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 1 left in stock, order soon!
Arrives
Jun 19 – Aug 1
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Model: GK-J1204
Features
- Ultrasafe Portable Jump Starter: Compact, yet robust, 3000A car jump starter starts dead batteries in minutes reliably in any climate. This car jumper starter kit is suitable for jump starting all 8.0L Gas & Diesel car engines within just a few steps.
- Multi-function features: More than a battery jumper, it's also a power bank, power source, and LED flashlight. This GK-J1204 jump starter with PD65W charging options enables two-way quick recharge for laptops, drones and more. Plus, the LED light features three emergency models of Strobe, SOS, and Lightning.
- Extended Safety Protection: User-friendly designed car jumper has built-in safety system offering the easiest and simplest experience for all users without worrying about safety issues. Advanced safety protocol features 10 different protections including spark-proof, reverse polarity and reverse charge protection.
- Power Source for Car Devices: This jumper kit equipped with 12V/6A DC output port is strong enough to power up the toughest car devices. Multi-functional jump starter covers every aspect of your roadtrip needs. The gear shape is designed ergonomically, providing a better hand grip experience. Easy to carry around for jump starting or recharging purposes.
- Essential Roadside Jumper Pack: All essential roadside emergency features are included in this package. In the box, there are a powerful jump starter, a type-C charging cable, a 12V car cigarette lighter adapter, intellegent jumper cable and durable storage pack for carrying.
Brand: GREEN KEEPER
Battery Cell Composition: Lithium Polymer
Voltage: 12 Volts
Vehicle Service Type: Passenger Car
Battery Capacity: 20000 Milliamp Hours
Manufacturer: Dong guan Carosstech Co.,Ltd
Brand: GREEN KEEPER
Item Weight: 1.83 pounds
Product Dimensions: 8.3 x 6 x 3.2 inches
Item model number: GK-J1204
Batteries: 1 Lithium Metal batteries required. (included)
Manufacturer Part Number: GK-J1204
Amperage: 3000 Amps
Date First Available: April 4, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jun 19 – Aug 1
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Financing through Apple Pay
Learn more about financing & leasing here.
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Top Amazon Reviews
Excellent. Long lasting battery, super easy to use, takes very lil space in the car, jumps starts immediately and it’s the best one I’ve ever bought looove it!
Reviewed in the United States on December 3, 2025 by Amazon Customer
The jump starter is simple to use and of great quality. Charges fast with an USB-C charger. Even out of the box and not fully charged it worked perfect to jump my riding mower like it was nothing. Would defiantly recommend.
Reviewed in the United States on August 19, 2025 by charles tidwell
Model: GK-J1203
Love this thing. Used many times.
Reviewed in the United States on October 17, 2025 by Mark Twain
I needed to buy a new battery, this worked on several jumpstarts with a battery that doesnt charge. I love that it works every time and is simple to use. It automatically detects that the cables are connected correctly before sending the charge, a great safety feature. It also has a light and some usb ports and a case. Great to keep in your car for an emergency!
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Reviewed in the United States on September 10, 2025 by Jordan Pinney
Ease to use , this item is usefulbit the only thing is it takes to long to change it worth the money
Reviewed in the United States on August 26, 2025 by Amazon Customer
I recently added this portable car battery jump starter to my vehicle's emergency kit, and it's been a reassuring addition. The device is compact and lightweight, making it easy to store in the glove compartment or trunk without taking up much space. Using it is straightforward: just connect the clamps to the battery terminals, and the device provides a quick and efficient jump start. The built-in LED flashlight is a handy feature, especially for nighttime emergencies. Additionally, the USB ports allow for charging other devices like smartphones, which adds to its versatility. Overall, this jump starter offers peace of mind and is a practical tool for any driver to have on hand.
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Reviewed in the United States on April 8, 2025 by David
Model: GK-J1204
My man loves it !
Reviewed in the United States on December 7, 2025 by Angie
Model: GK-J1205
I love this so much I'm buying another for my son's vehicle. It's very handy. On a whim I went night fishing and used the light to light up the dock area we were fishing on for about an hour and a half. It wasn't super bright but worked great.. The battery percentage only dropped by 2% during that time. A great buy.
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Reviewed in the United States on August 9, 2025 by Julie341