My Account
Shopping Cart

Lokithor J403HD LiPO 12V 10000A Heavy-Duty Jump Starter with ConnectMax

Manufacturer

Lokithor

<p>Founded in 2020, Lokithor is a young thriving brand that has rapidly earned recognition for its commitment to portable automotive emergency solutions. Specializing in multi-functional <a href="/18260-lokithor-vehicle-jump-starter-21258">vehicle jump starters</a>, Lokithor has redefined what drivers should expect from roadside emergency equipment by combining multiple essential functions into compact, reliable devices.</p> <h3>Innovation Through Multi-Functionality</h3> <p>What sets Lokithor apart in the crowded automotive accessories market is their philosophy of integration. Rather than requiring drivers to carry separate tools for different emergencies, the JA Series functions as a jump starter, air inflator, power bank, and LED flashlight, offering the ultimate 4-in-1 solution for all your car emergencies. This approach addresses the reality that vehicle emergencies rarely occur at convenient times or locations, making versatility essential.</p> <p>The brand's <a href="/18260-lokithor-vehicle-jump-starter-21258">jump starter</a> lineup spans from compact consumer models to heavy-duty commercial units. LOKITHOR jump starters are crafted with precision, ensuring exceptional quality and reliability, with a team of experts combining their extensive knowledge and experience to create multifunction devices that meet the highest standards of excellence.</p> <h3>Advanced Battery Technology</h3> <p>LiFePO4 (Lithium Iron Phosphate) battery technology offers higher safety performance and can provide 2000+ cycles till it lowers to 80% capacity, which is 3X more cycles than the industry average. This chemistry provides superior thermal stability compared to traditional lithium-ion batteries, making Lokithor's LiFePO4 series particularly suitable for extreme temperature conditions and professional applications.</p> <p>The brand's flagship J10000HD model exemplifies this commitment to power and durability. The J10000HD offers two different starting voltage modes—10,000 amps (12V) and 5,000 amps (24V)—and can easily start gasoline and diesel engines up to 16 liters, making it ideal for commercial fleets, construction equipment, and heavy-duty vehicles.</p> <h3>Professional-Grade Reliability</h3> <p>LOKITHOR jump starters are trusted and recommended by professionals in the automotive industry, with mechanics, technicians, and roadside assistance providers relying on these products for their reliability and performance. This professional endorsement stems from the brand's attention to critical safety features. All products are equipped with advanced safety features, including spark-proof technology and protection against reverse polarity and short circuits.</p> <p>The JA series models incorporate intelligent diagnostic capabilities with real-time battery voltage detection and built-in Battery Management Systems that protect against overcurrent, overcharge, and temperature extremes. For drivers facing tire inflation needs, these units deliver impressive performance with air compressor capabilities reaching 150 PSI and airflow rates of 35L per minute, substantially faster than many standalone inflators.</p> <h3>Designed for Real-World Conditions</h3> <p>Lokithor's product development focuses on solving actual problems drivers encounter. The brand's fast-charging technology addresses one of the most common complaints about portable power devices—long recharge times. Select models feature 100W two-way fast charging, allowing the unit to reach full capacity in under an hour, ensuring the device is ready when needed most.</p> <p>With global distribution centers in California and Germany, Lokithor supports customers worldwide with responsive service and technical support. Whether you're a professional fleet manager requiring dependable heavy-duty starting power or a daily commuter seeking peace of mind, Lokithor's range of <a href="/18260-lokithor-vehicle-jump-starter-21258">vehicle jump starters</a> delivers the performance and versatility that modern driving demands.</p>

Part Number

J403HD
05/29/2036 10:55 PM
Sale Price

$458.30

2 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Lokithor J403HD is a professional-grade, heavy-duty portable jump starter built for serious 12V starting demands. Powered by a 236.8Wh LiPO battery, it delivers an industry-leading 10,000 peak amps, making it capable of starting gasoline engines up to 16.0 liters and diesel engines up to 16.0 liters in seconds — even in extreme temperatures ranging from -4°F to 140°F.

Designed for the most demanding environments, the J403HD is ideal for semi-trucks, coaches, buses, motorhomes, and heavy industrial equipment used in mining, agriculture, construction, and vocational applications.

ConnectMax Technology:

The J403HD features Lokithor's proprietary ConnectMax system, which automatically detects the connection impedance between the clamps and the battery terminals. LED indicators provide instant feedback — green for a good connection, yellow for a poor connection — ensuring optimal contact and maximum starting efficiency every time.

Key Features:

  • 10,000A peak current — starts 12V gasoline engines up to 16.0L and diesel engines up to 16.0L
  • 236.8Wh LiPO battery — lightweight at approximately 9.15 lbs, far lighter than lead-acid alternatives
  • ConnectMax Technology — automatic clamp connection detection with LED status indicators
  • 10-Layer Safety Protection — spark-proof, reverse-polarity, over-charge, over-current, short-circuit, reverse-charge, low-temp, high-temp, over-voltage, and over-load protection
  • 100W two-way fast charging — USB-C input/output up to 100W; fully charges in approximately 2–3 hours
  • Multi-port power bank — USB-A (QC 18W) and USB-C (100W) outputs for charging devices
  • DC output — 12.8V–16.8V / 10A for powering accessories
  • 400-lumen LED flashlight — built-in for roadside emergencies
  • Service life — rated for over 1,000 charge cycles with proper maintenance
  • Operating temperature range — -4°F to 140°F (-20°C to 60°C)

In the Box:

  • J403HD Jump Starter (x1)
  • Jumper cables (x1)
  • 12V car cigarette lighter to DC-5521 charging cable (x1)
  • USB-C to USB-C cable (x1)
  • USB-A to USB-C cable (x1)
  • Accessories bag (x1)
  • User manual (x1)

The Lokithor J403HD combines massive starting power with intelligent safety features and versatile charging capability, making it an essential tool for fleet operators, truck drivers, and anyone who demands reliability when it counts most.

Fantastic service, and website was very user friendly with insuring correct fitment.

Quick and easy!

Xxxxxxxx

Great prices, speciality items in stock, and fast delivery!

Product I need

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy