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Lokithor J403HD LiPO 12V 236.8Wh 10000A Jump Starter with ConnectMax
Lokithor J403HD LiPO 12V 236.8Wh 10000A Jump Starter with ConnectMax
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✅ Delivers 10,000A peak power to jump-start 12V vehicles, including up to 16.0L gas and diesel engines
✅ Lightweight LiPo battery design (only 9.15 lbs) for easier handling vs. traditional jump starters
✅ Features ConnectMax technology for optimal clamp connection and maximum starting efficiency
✅ Ideal for heavy-duty vehicles like semi-trucks, buses, motorhomes, and construction equipment
✅ IP65-rated for dustproof and water-resistant performance in tough environments
Regular price
$579.99 USD
Regular price
$599.99 USD
Sale price
$579.99 USD
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Product Features
Product Features
Lokithor J403HD is a heavy duty car jump starter power pack that delivers 10000A peak amps for starting 12V vehicles (up to 16.0-Liter gasoline and 16.0-Liter diesel) in a few seconds.
It features a compact design, with LiPO battery inside making J403HD only weigh about 4.15kg (9.15lbs), and is far lighter than lead-acid jump starters.
This device adopts ConnectMax technology: Our state-of-the-art system automatically detects connection impedance of the clamp connection to your heavy duty car battery and show status through indicators. (Green for good connection; Yellow for poor connection.). It ensures optimal contact every time and maximizing the starting efficiency of your jump starter.
The jump starter is suitable for starting semi-trucks, coaches, buses, motorhomes, as well as mining, agricultural, construction, and vocational equipment.
The jump starter with an IP65 rating is dustproof and water-resistant, making it ideal for outdoor and harsh environments.
Specifications
Specifications
Capacity: 236.8Wh
Starting Voltage: 12V
Peak Current: 10000A
LED Light: 400 Lumens (3 Modes: Constant Light, Strobes, SOS);
USB-C Input: 5V/ 3A, 9V/ 3A, 12V/ 3A, 15V/ 3A, 20V/ 5A (MAX 100W);
DC Input: 5-30V, 5A 100W (MAX);
USB-A Output: 5V/ 3A, 9V/2A, 12V/1.5A (QC 18W);
USB-C Output: 5V/ 3A, 9V/ 3A, 12V/ 3A, 15V/ 3A, 20V/ 5A (MAX 100W);
DC Output: 12.8V~16.8V/10A
Battery Life: >1000 cycles (in good conditions)
Charging Temperature: 0℃~45℃ (32℉~113℉)
Operating Temperature: -20℃~60℃ (-4℉~140℉)
Storage Temperature: -20℃~50℃ (-4℉~122℉)
Charging Time: About 2.5 hours
Certifications: CE, UKCA, FCC, RoHS, UN38.3
Product Dimensions: 271.0*211.7*77.8 mm (10.67*8.33*3.06 inches) (L*W*D)
Package Dimensions: 345*265*120 mm (13.58*10.43*4.72 inches) (L*W*D)
Product weight: 4.15kg (9.15lbs)
Package weight: 4.59kg (10.12lbs)
IP Rating:IP65
Warning: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please go to www.P65Warnings.ca.gov.
Inclusions
Inclusions
Packing List:
Physical Product
Manual
USB-C To USB-C Wire
USB-A To USB-C Wire
12V Car Cigarette Lighter to DC-5521(Charging Wire)
Accessories Storage Bag
FAQs
FAQs
What vehicles can the Lokithor J403HD jump-start?
The J403HD can jump-start 12V vehicles, including heavy-duty applications like semi-trucks, buses, motorhomes, and equipment with up to 16.0L gasoline or diesel engines
How powerful is this jump starter?
It delivers 10,000A peak current with a 236.8Wh capacity, providing strong and reliable starts even for large engines.
How long does it take to fully charge?
The unit charges in approximately 2.5 hours using USB-C (up to 100W) or DC input for fast and efficient recharging.
Can it be used as a power bank for other devices?
Yes, it features USB-A and USB-C outputs (up to 100W), allowing you to charge smartphones, tablets, laptops, and other devices on the go.
Is it suitable for outdoor and harsh environments?
Absolutely. With an IP65 rating, it is dustproof and water-resistant, and it operates in extreme temperatures from -20°C to 60°C (-4°F to 140°F).

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