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They use a lightweight lithium polymer battery.
Yesper Jump Starter comes with a flashlight function and is not only a device that can start your car but also a portable charger that can quickly charge your mobile devices and laptops on the road.
The jumper cable features a smart Over-Start Protection function. If you start the vehicle more than 4 times in 2 minutes, the jumper cable will turn on Over-Start Protection: The green and red light will start to blink and the battery clamps will have no output. When you disconnect the jumper cable plug from the jumper starter, the smart Over-Start Protection will reset.
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Orders placed on Yes-per.com are all free shipping. Meanwhile, you will enjoy 30-day return warranty and 2-year quality warranty.
Once your order is placed, you will receive a confirmation email letting you know that our fulfillment team has received your order. Once your order is fulfilled, you will receive an email notification with your tracking information.
1. If the tracking details show your package was delivered and you can't locate it, please wait two full days (excluding Sundays and holidays) for the package to arrive. We recommend checking around your home and asking your neighbors if they may have received it for you.
2. If after that time you still haven't received it, reach out to us via cs@yes-per.com and we'll be happy to help.
Please feel free to contact us via cs@yes-per.com. We will provide the after-sale service for you within 24 hours.
If you want to return the units, please email us via cs@yes-per.com.
And please make sure that the kit and product are fine, so we can process a refund request as soon as possible.
Have questions about your order, or a general enquiry?