LOKITHOR J400 2000A Car Jump Starter for Cars, Trucks & SUVs (8L Gas/6L Diesel), 12V Portable Jump Box with ConnectMax Tech, Power Bank and LED Light
LOKITHOR J400 2000A Car Jump Starter for Cars, Trucks & SUVs (8L Gas/6L Diesel), 12V Portable Jump Box with ConnectMax Tech, Power Bank and LED Light
Hero image 0 of LOKITHOR J400 2000A Car Jump Starter for Cars, Trucks & SUVs (8L Gas/6L Diesel), 12V Portable Jump Box with ConnectMax Tech, Power Bank and LED Light, 0 of 11

LOKITHOR J400 2000A Car Jump Starter for Cars, Trucks & SUVs (8L Gas/6L Diesel), 12V Portable Jump Box with ConnectMax Tech, Power Bank and LED Light

|7 ratings

Key item features

  • 2000A Peak Jump Starter: Delivers 2000A peak to start 12V vehicles up to 8.0L gas or 6.0L diesel, including cars, trucks, SUVs, motorcycles, RVs, and tractors, with up to 25 starts per 6400mAh charge.
  • ConnectMax Smart Clamp Detection: Auto-detects clamp impedance and optimizes power transfer for reliable starts; LED indicators confirm a secure battery connection before starting.
  • 10-Layer Safety Protection: BMS guards against spark, reverse polarity, short circuit, reverse charge, over-voltage/current/load/charge, and high/low temps; Force Start for deep-discharge batteries.
  • QC3.0 Power Bank & 300-Lumen LED: USB-A/USB-C 5V/3A ports with QC3.0 15W Max fast-charge phones and tablets; 300-lumen LED offers Emergency, Strobe, and SOS modes for roadside and outdoor use.

Specs

Battery capacity, 6400 mAhAmps, 2000 AAutomotive battery type, Lithium PolymerBrand, LOKITHORPower type, BatteryFeatures, Portable Battery Starter, Diverse Application, Convenient Carrying, Convenient Storage, Easy To Use, Emergency Equipment, LED Lights, Outdoor Usage, Safe To Use, USB Powered, Wide Application

About this item

Product details

The LOKITHOR J400 is a 2000A peak 12V portable car jump starter with 80C high-rate lithium polymer cells and an intelligent BMS, starting vehicles up to 8.0L gas or 6.0L diesel with up to 25 starts per 6400mAh charge. ConnectMax technology auto-detects clamp impedance and optimizes power transfer, with LED indicators confirming a secure connection before starting; a 5.75-inch smart display shows real-time battery level and alerts, while Force Start mode supports deeply discharged batteries. Ten safety protections—spark-proof, reverse-polarity, short-circuit, reverse-charge, over-voltage, over-current, over-load, over-charge, low-temperature, and high-temperature—ensure safe operation from -4°F to 122°F. This compact jump box also works as a QC3.0 15W Max power bank with USB-A and USB-C 5V/3A ports, and a 300-lumen LED flashlight with Emergency, Strobe, and SOS modes. Weighing about 1 lb at 6.89 × 3.39 × 1.69 inches, it fits in a glove box or emergency kit and holds a charge for up to 24 months. Suitable for cars, trucks, SUVs, motorcycles, RVs, ATVs, watercraft, lawn mowers, and tractors. Kit includes jump starter, clamps, 12V adapter, USB-C cable, and manual; 1-year warranty.
  • 2000A Peak Jump Starter: Delivers 2000A peak to start 12V vehicles up to 8.0L gas or 6.0L diesel, including cars, trucks, SUVs, motorcycles, RVs, and tractors, with up to 25 starts per 6400mAh charge.
  • ConnectMax Smart Clamp Detection: Auto-detects clamp impedance and optimizes power transfer for reliable starts; LED indicators confirm a secure battery connection before starting.
  • 10-Layer Safety Protection: BMS guards against spark, reverse polarity, short circuit, reverse charge, over-voltage/current/load/charge, and high/low temps; Force Start for deep-discharge batteries.
  • QC3.0 Power Bank & 300-Lumen LED: USB-A/USB-C 5V/3A ports with QC3.0 15W Max fast-charge phones and tablets; 300-lumen LED offers Emergency, Strobe, and SOS modes for roadside and outdoor use.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Battery capacity

6400 mAh

Amps

2000 A

Automotive battery type

Lithium Polymer

Brand

LOKITHOR

Warranty

Warranty information

1. 12 Months Warranty 2. Our warranty does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part. 3. This product comes with 30-Day Money Back Guarantee. 4. We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to make an exchange or refund.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.9 out of 5 stars
stars
7 ratings7 reviews
Includes global ratings and reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 7 reviews

Sep 11, 2026
Reviewer name: Jerry
Top Reviewer
Sold and shipped byLokithor Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Handy to have

This actually came in handy the next day after it arrived. I had put in in charge mode when It got here and the very next morning was mow day and my mower battery was dead. This was very easy to use and worked great. Mower started right up. It's strong enough to start a large 6-8 liter vehicle engine and is small enough to fit in the glovebox or console.

Incentivized Review
Helpful?1M2Q79XTK0R720913268185
Oct 17, 2026
Reviewer name: Okaylupe
Top Reviewer
Sold and shipped byLokithor Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Compact jump starter!

Pretty good jump starter, got my 2002 ram started up like nothing. Nice and compact to keep in a glovebox. Also comes with a light. Also has output and input for usb c. We will see how long it holds charge so far so good!

Incentivized Review
Helpful?1M2Q79XTK0R720913268185
Sep 10, 2026
Reviewer name: Trice
Walmart Associate
Sold and shipped byLokithor Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Jump,light,phone charger

I've bought different type of jumper cables in life.This one is a nice size.It also have a button for power,light and to jump.It also let you know if you are ready to jump,which is a plus Most of the cheap ones only have 1 button which kind of make the process a little difficult.

Incentivized Review
Helpful?1M2Q79XTK0R720913268185
Current price is Now $42.99
You save $56.96
was $99.95
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

How do you want your item?

How do you want your item?
Ships to
Arrives by Mon, Nov 16
|
Sold and shipped by Lokithor StorePro Seller
4.89 out of 5 stars
4.9 stars out of 5, based on 100 seller reviews(4.9)
Extended holiday returns
Free Holiday returns until Jan 31