$231.00 USD
· Pls note this is a pre-sale all US orders will be shipped in or after January 10th
· Powerful Car Jump Starter: 4120 A Peak/ 24000 mAh/ 88.8 Wh
· Start 12V Vehicles up to All Gas Engine/ 10.0 L Diesel Engine
· 3 Ultra-Bright Lighting Modes: Flashlight, SOS, Strobe
· 3 Output ports for charging your devices
· 8 Security Protection: Spark-proof and over-current protection
· Come with an EVA storage box
·Unique appearance design, printed race flag, shows YESPER's value just like racing: Endless pursuit of the best and self-transcendence on and off the race.

 Yesper Speed 4120 is a portable lithium-ion battery car jump starter pack that can deliver 4120 A peak current to jump start 12 V car vehicles up to all gas engines and 10.0 L diesel engine.  Weighing at 1.71 ibs, it is great to hold in your hand and occupies only a fraction of your car trunk. It features 8 safety protection, making it safe and easy for anyone to use. It's a powerful car booster that doubles as a 24000 mAh power source for recharging USB devices and your 12-16.8V DC car devices. Built-in 3 modes of LED light, like a flashlight, SOS, strobe, helps you see your engine, change a tire at night, or even warn oncoming traffic when you need roadside assistance. The most desperate thing is that a dead battery leaves you stuck on the roadside, time to put a YESPER JUMP STARTER in your car. Always a YES on the go.

Speak The Fact Of Power

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).

yesper jump starter 4000a

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.

Start Your Car Fast 12L 10L gas diesel engine

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.

24000 mAh battery  jumper pack lightweight

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. 

SOS and emergency strobe multi-functional car booster

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.

yesper 24000 mAh Power Bank

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.

8 Safety protection jump starters battery pack spark-proof

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.

Lithium Jump Starter Box DC port 12v car vacuum, inflator charging

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. 

4000a car booster work at 131°F and cold up to -4°F

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.

Born to Jump Start

Easy to Jump Start

You can jump start your car totally by yourself without assistance in 4 steps.

Easy to Jump Start

Port Features

port features of yesper battery booster pack

Specification Dashboard

crank current 800a 4000a peak portable jump starter

What's In the Box

jumper leads cable EVA storage box for yesper jumper pack in usa

Customer Reviews

Based on 1 review

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