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

|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.
  • Compact & 24-Month Standby: Weighs about 1 lb at 6.89 × 3.39 × 1.69 in, fitting a glove box, emergency kit, or backpack; operates -4°F to 122°F and holds a charge up to 24 months.
  • 6. Smart Digital Display: 5.75-inch screen shows real-time battery level, connection status, and operational alerts, giving clear visibility of jump-start status and charging power at a glance.

Specs

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

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.
  • Compact & 24-Month Standby: Weighs about 1 lb at 6.89 × 3.39 × 1.69 in, fitting a glove box, emergency kit, or backpack; operates -4°F to 122°F and holds a charge up to 24 months.
  • 6. Smart Digital Display: 5.75-inch screen shows real-time battery level, connection status, and operational alerts, giving clear visibility of jump-start status and charging power at a glance.
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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.

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Customer ratings & reviews

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Showing 1-3 of 7 reviews

Oct 29, 2026
Reviewer name: shanann
Top Reviewer
Sold and shipped byLokithor Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Buy now and do t be left stranded

Fantastic product! Works exactly as described. This product appears to be a great quality product.

Incentivized Review
Helpful?4WGZBHC7LWLG21098566821
Oct 28, 2026
Reviewer name: emily
Top Reviewer
Sold and shipped byLokithor Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Jump box

It's small and portable like it should be, easy to assemble you just plug it in. It's super easy to power on and use, it works great. This is the second one I've gotten (I keep one in each of the vehicles %26 I'm sure I'll purchase more as gifts) never know when you might need a jump!

Incentivized Review
Helpful?4WGZBHC7LWLG21098566821
Oct 24, 2026
Reviewer name: jocia
Top Reviewer
Sold and shipped byLokithor Store
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Smart to have in every car

Came fully charged. Easy to use, simple instructions. Already had to use it twice and it works great!

Incentivized Review
Helpful?4WGZBHC7LWLG21098566821
Current price is Now $42.99
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was $99.95
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