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Showing 1-10 of 140 questions
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  • 6
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Answer:
Instead of the traditional triple battery supply, KP Series equipped with quad power supply. The success rate of starting a car has increased significantly from 80% to 98%. And the charging speed has also increased, without the need for traditional wall chargers, only need one Type-c cable. In this way, even if the acc… see more Instead of the traditional triple battery supply, KP Series equipped with quad power supply. The success rate of starting a car has increased significantly from 80% to 98%. And the charging speed has also increased, without the need for traditional wall chargers, only need one Type-c cable. In this way, even if the accessories are lost, it will not affect the charging of the product. see less Instead of the traditional triple battery supply, KP Series equipped with quad power supply. The success rate of starting a car has increased significantly from 80% to 98%. And the charging speed has also increased, without the need for traditional wall chargers, only need one Type-c cable. In this way, even if the accessories are lost, it will not affect the charging of the product.
WorldUS
Seller · July 8, 2020
  • 5
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    votes
Answer:
No
John Zamostny
· July 5, 2020
  • 2
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Answer:
Dear, our jumper cable has a unique intelligent protection design and there’s the beep and red/green light to help you judge the status:
Stable green light: correct connection, you can start your car.
Red light blinking with beep: contrary connection of the battery poles. Please reconnect and wait to start until the … see more
Dear, our jumper cable has a unique intelligent protection design and there’s the beep and red/green light to help you judge the status:
Stable green light: correct connection, you can start your car.
Red light blinking with beep: contrary connection of the battery poles. Please reconnect and wait to start until the stable green light.
Green light blinking with beep: voltage of the car battery is low. Please press the BOOST button and start your car within 30s after stable green light.
No light, no beep: the car battery might completely damaged. Please make sure the connection is correct, then press the BOOST button and start car within 30s after stable green light. see less
Dear, our jumper cable has a unique intelligent protection design and there’s the beep and red/green light to help you judge the status:
Stable green light: correct connection, you can start your car.
Red light blinking with beep: contrary connection of the battery poles. Please reconnect and wait to start until the stable green light.
Green light blinking with beep: voltage of the car battery is low. Please press the BOOST button and start your car within 30s after stable green light.
No light, no beep: the car battery might completely damaged. Please make sure the connection is correct, then press the BOOST button and start car within 30s after stable green light.

WorldUS
Seller · October 31, 2018
  • 1
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    votes
Answer:
I've had mine for 2 months and have used it 3 times without charging and it still shows full charge. I don't leave it plugged in. I also wouldn't recommend leaving it in a car on hot days as the temperature in a car can easily get higher than 150 degrees and the manual says not to store in locations where temp excee… see more I've had mine for 2 months and have used it 3 times without charging and it still shows full charge. I don't leave it plugged in. I also wouldn't recommend leaving it in a car on hot days as the temperature in a car can easily get higher than 150 degrees and the manual says not to store in locations where temp exceeds 70C (158F). see less I've had mine for 2 months and have used it 3 times without charging and it still shows full charge. I don't leave it plugged in. I also wouldn't recommend leaving it in a car on hot days as the temperature in a car can easily get higher than 150 degrees and the manual says not to store in locations where temp exceeds 70C (158F).
John C
· July 29, 2019
  • 1
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    votes
Answer:
Dear customer, please contact us through Amazon buyer message directly, we will send you a new clamp at once. Hope this can help you.
WorldUS
Seller · December 18, 2019
  • 0
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    votes
Answer:
honestly I bought this on black Friday , and price was the factor. I use this device for work and it hasn't failed to perform
Rich Tomaszewski
· February 1, 2020
  • 0
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    votes
Answer:
Dear, when your car battery is totally dead, you can try to start your car as the following steps after the correct connection:
1. Stable green light: correct connection;
2. Red light blinks with buzzing: contrary connection of battery poles. Please reconnect and wait to start until the stable green light; … see more
Dear, when your car battery is totally dead, you can try to start your car as the following steps after the correct connection:
1. Stable green light: correct connection;
2. Red light blinks with buzzing: contrary connection of battery poles. Please reconnect and wait to start until the stable green light;
3. Green light blinking with buzzing: voltage of the car battery is low. Please press the BOOST button and start car within 30s after green light on;
4. No light on, no buzzing: the car battery might completely damaged. Please make sure the connection is correct, then press the BOOST button and start car within 30s after green light on.
And T8 MAX could not be used as a car battery charger, there is special product for this on Amazon. Hope this can help you. see less
Dear, when your car battery is totally dead, you can try to start your car as the following steps after the correct connection:
1. Stable green light: correct connection;
2. Red light blinks with buzzing: contrary connection of battery poles. Please reconnect and wait to start until the stable green light;
3. Green light blinking with buzzing: voltage of the car battery is low. Please press the BOOST button and start car within 30s after green light on;
4. No light on, no buzzing: the car battery might completely damaged. Please make sure the connection is correct, then press the BOOST button and start car within 30s after green light on.
And T8 MAX could not be used as a car battery charger, there is special product for this on Amazon. Hope this can help you.

WorldUS
Seller · February 14, 2019
  • 0
    vote

    votes
Answer:
Dear customer, according to your description, we recommend that you could try to discharge it totally then recharge it. You could also change the USB cable or adapter to charge it.
If these still don't work, please contact us through Amazon buyer message directly with your issue detail, we will help you solve the pro… see more
Dear customer, according to your description, we recommend that you could try to discharge it totally then recharge it. You could also change the USB cable or adapter to charge it.
If these still don't work, please contact us through Amazon buyer message directly with your issue detail, we will help you solve the problem within 24 hours, hope this can help you. see less
Dear customer, according to your description, we recommend that you could try to discharge it totally then recharge it. You could also change the USB cable or adapter to charge it.
If these still don't work, please contact us through Amazon buyer message directly with your issue detail, we will help you solve the problem within 24 hours, hope this can help you.

WorldUS
Seller · May 3, 2019
  • 0
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    votes
Answer:
Dear customer, this product is made in China. Thank you for your attention.
WorldUS
Seller · October 17, 2019
  • 0
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    votes
Answer:
Dear customer, the length of the jumper cable is about 24cm, so why the cable is only 24cm? Longer your cable is, bigger is the electric resistance, lower is the working voltage, the starting performance will be less powerful.
If the cable is too short to connect the terminals of your car battery, please connect the r… see more
Dear customer, the length of the jumper cable is about 24cm, so why the cable is only 24cm? Longer your cable is, bigger is the electric resistance, lower is the working voltage, the starting performance will be less powerful.
If the cable is too short to connect the terminals of your car battery, please connect the red clamp to the positive, then you only need to connect the black clamp to the other metal part of your car battery, it doesn't have to be connected to the negative pole. Then you could start your car by following the using steps, hope this can help you. see less
Dear customer, the length of the jumper cable is about 24cm, so why the cable is only 24cm? Longer your cable is, bigger is the electric resistance, lower is the working voltage, the starting performance will be less powerful.
If the cable is too short to connect the terminals of your car battery, please connect the red clamp to the positive, then you only need to connect the black clamp to the other metal part of your car battery, it doesn't have to be connected to the negative pole. Then you could start your car by following the using steps, hope this can help you.

WorldUS
Seller · July 11, 2019