SPARK JST42

SPARK JST42 The ultimate professional jump starter

For: 12V general cars, and 24V trucks

SPARK is the first intelligent jump starter that can jump start all models of vehicles because no one knows in advance about the problem of a dead battery, especially batteries that have been used for more than a year, which are very risky. Carry SPARK and you will not have to worry about your car not starting. No need to wait for battery jump start, no waste of time

Why SPARK?

Because SPARK is the market-leading high quality jump starter, the first to jump start all car models. Spark's customers are professionals, large organizations such as oil companies, factories, office buildings, department stores, that use trucks, buses, Benz car centers, car tents, Porsche showrooms, all of whom trust it, test it with real cars through actual use. Customers who tried cheap jump starters that claim to have tens of thousands of mAh always end up with SPARK.

SPARK JST42 155.4Wh smart jump starter for professionals, can jump start all models of cars
• Can choose to work as 12V or 24V, both automatic or user-selectable
• The jump starter stores power with a lithium battery, battery capacity 155.4Wh
• Starting current 2000A
• Peak current 4000A
• Easy to use, safe, should be installed in the car for emergency use
• There is a fuse to prevent short circuits into the battery to prevent the device from being severely damaged
• There is a system to prevent battery terminals from being reversed To prevent the machine from being severely damaged
• Clamps with a 55 cm long positive (+) charging cable and a 55 cm long negative (-) cable
• There is an LCD screen showing the working status and the amount of power in the jump starter's battery
• Can be used as a flashlight, SOS emergency light, suitable for road trips

• Jump start without disconnecting the battery terminals, clamp the terminals and turn the key
• Once the car starts, remove the clamps immediately. The jump starter will not charge the battery

Size 10x27x23 cm

Weight: 2 kg

Tested with Scannia, Hino 500 tractors, backhoes, 260 horsepower diesel engines, diesel lift trucks, forklifts

"SPARK is lightweight, portable, and easy to carry on an oil rig. In the past, I had to carry 2 large batteries to jump start. It was very difficult."
- Oil rig maintenance technician

"SPARK is lightweight, portable, and easy to carry on an oil rig. In the past, I had to carry 2 large batteries to jump start. It was very difficult."
- Oil rig maintenance technician

"Before, when I came back from a long holiday, the car wouldn't start. I had to carry the batteries to jump start, which was very difficult. Waste time working, tested and found that SPARK can jump start all ten-wheel trucks, backhoes, and forklifts, no worries"
- Business owner

"Crane and tractors parked for a long time, the subordinates have to lift the battery to jump start, sometimes parked in muddy areas, very difficult. Having SPARK makes it much more convenient"
- Ms. Oi, owner of Ben Line, a crane rental company

"Start a ten-wheel truck, one click and it starts"
- Ten-wheel truck driver

Equipment in the box

How to use
How to use
1. The jump starter must have a battery charge of at least 3 bars to prevent the machine from being damaged.
2. Before first use, charge the machine for at least 3 hours to keep the battery in good condition and ready to use.
3. If not in use, charge it every 3 months to prevent the battery from discharging and deteriorating.
4. After use, wait 30 minutes before recharging it to full again.
5. When starting, wait at least 1 minute to allow the battery to dissipate heat.
6. The jump starter will help start only if the problem is caused by the car battery. It cannot jump start if the problem is caused by the engine, starter, no oil flow, etc.
7. The JST42 jump starter is guaranteed for 1 month in case of manufacturing defects. It does not cover improper use. It does not cover the battery, clamps, and other equipment that comes with the machine.
8. The machine can be used beyond the warranty period by charging up to 1000 cycles if it is properly maintained and used properly.



How to jump start a 12V car battery
1. Open the silicone cover 12V jumper cable connector on the side of the machine
2. Insert the plug of the clamp cable into the slot
3. Clamp the red clamp head to the + terminal and the black to the - terminal of the car battery to be jumped
4. Press and hold the POWER button on the machine for 2 seconds to turn on the machine
5. Press the mode button until the 12V car icon appears on the screen
6. If the clamp is clamped correctly, the message ENGINE START will appear on the screen
7. Turn the key or press the button to start the car within 45 seconds. If it is later than that, the machine will automatically shut down
8. Immediately remove the red and black clamp heads and unplug the jump starter
9. Do not continuously start the car
If you want to jump start again, leave the starter for at least 1 minute to allow the jump starter battery time to dissipate heat Prevent the battery from swelling and damage. This is an improper use that will not be covered by the warranty.


How to jump start a 24V truck battery
1. Open the 24V silicone cover on the side of the machine.
2. Insert the plug of the clamp cable into the slot.
3. Clamp the red clamp head to the + terminal and the black to the - terminal of the car battery to be jumped.
4. Press and hold the POWER button on the machine for 2 seconds to turn on the machine.
5. Press the mode button until the 24V truck icon appears on the screen.
6. If the clamp is clamped correctly, the message ENGINE START will appear on the screen.
7. Turn the key or press the button to start the car within 45 seconds. If it is later than that, the machine will automatically shut down.
8. Immediately remove the red and black clamp heads and unplug the jump starter.
9. Do not continuously start.
If you want to jump start again, leave the starter for at least 1 minute to allow the jump starter battery time to dissipate heat. This prevents the battery from swelling and damage. This is an improper use that will not be covered by the warranty.

How to charge SPARK
Insert the charger into the DC Input port and plug it into the power outlet.
The IN symbol will be displayed on the screen and the battery icon will flash.

Using the flashlight
Press and hold the flashlight button for 2 seconds to turn it on.
Press once to change between SOS and emergency modes.
Press and hold the flashlight button for 2 seconds to turn it off.


The display shows ERROR
E07 There is a reverse current flowing from the vehicle. Remove the clamp head immediately.
E04 The clamp is reversed or there is a short circuit. Remove the clamp head. Check and re-clamp correctly.
E03 The relay system is abnormal. Do not use.



Caution Make sure that
Clamp the positive (+) clamp to the positive (+) terminal of the battery and the negative (-) clamp to the negative (-) terminal of the battery only.
Start the vehicle in 12V mode for 12V vehicles and 24V mode for 24V vehicles only.
Do not turn the key to start.