Features
No tricks,only facts, and figures here. Yesper Speed 4120 is the most powerful car jump starter, featuring at 4120 A peak current, 24000 mAh (88.8 Wh).
START YOUR CAR FAST
Recommended to jump start 12 V vehicles up to all gas and 10.0 L diesel engine, like cars, boats, lawnmowers, and more. Whether you forget to turn off your car light overnight or encounter extreme weather, which lets you cannot start your car, Yesper Speed 4120 will be your best road partner to jump-start your vehicle in seconds.
LARGE BATTERY CAPACITY & LONG STANDBY TIME
One for many times. Equipped with 24000 mAh battery and low self-discharge (≤120 uA), one full charge can use up to 60 times. It can last 6-12 months after being fully charged. However, recharging it every 3 months is recommended.
3 MODES LED LIGHT TO BRIGHTEN YOUR NIGHT
Ideal for an adventurous night. A super-bright 1 W LED flashlight with 3 light modes including SOS and emergency strobe.
24000 mAh POWER BANK
With its multi-functional design, it's ready to charge all your devices by 3 outlets. 24000 mAh power bank to keep your devices run on a long trip.
SAFETY FIRST
8 Safety protection, including spark-proof protection, over-current protection, over-voltage protection, and overcharge protection, etc, ensure you and your car's security.
OK TO CHARGE YOUR CAR EQUIPMENT
Power up your 12-16.8 V DC car equipment on the go, ensuring your joyful driving experience. It can deliver up to 150W.
WORK IN EXTREME WEATHER
Yesper jump starter can work at high temperature up to 131°F and cold up to -4°F. Built-in over-temperature protection allows the unit to turn off the output actively when the battery is at high temperature.
BORN TO JUMP START
Help you out of the following dilemmas quickly and easily. Forget to turn off the light all night, encounter the extreme weather, or need a jump, Yesper jump starters help you out of desperate and get fast on the road.
You can jump start your car totally by yourself without assistance in 4 steps.
What's Included
1×Host
1×USB to USB-C cable
1×EVA BOX
1×Intelligent jumper cable
1×Cigarette Lighter Socket adapter
1×User Manual
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We are authorized distributor, all items are 100% original and Our devices have a warranty,
12 months of free repair for the devices.
Please contact us firstly when you need warranty service.
In case an item arrives faulty, please contact us in 30 days and keep it unused. We have a 30-day return policy, which means you have 30 days to request a return after receiving your item. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.
We will instruct you on how to return and get a refund or replacement.
If after 30 days, or the item has been used, we have the right to decline your claim.
Items should be returned at the buyers' cost for repair or replacement.