YESPER 4120A Jump Starter, 12V Car Battery Jumper Starter Portable (All Gas, up to 10.0L Diesel Engine), 26800mAh Battery Start Booster Pack, Jump Box with Carry Case, Jumper Cables, LED Light
YESPER 4120A Jump Starter, 12V Car Battery Jumper Starter Portable (All Gas, up to 10.0L Diesel Engine), 26800mAh Battery Start Booster Pack, Jump Box with Carry Case, Jumper Cables, LED Light
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About This
- BATTERY BOOSTER JUMP STARTER - Rated at REAL 4120-amps, the YJS40 car battery jump starter can safely jump start all 12V vehicles(up to ALL gasoline and 10.0-liter diesel engines). It can achieve 60 times jump-start on a single charge and works even in extreme climates -4~140℉. Even if the car voltage is too low or dead, pressing the “BOOST” button will force the car to restart
- 26800mAh BATTERY CAPACITY - Our YJS40 portable car jump starter has a true capacity of 26800mAh(99.16WH). Jump pack for car battery built-in USB(5V/2.4A), USB QC(5/9/12V) and Type-C(5V/3A) in/output ports. and a DC(15V/10A) port to power any DC devices, like a tire inflator, car vacuum cleaner, car refrigerator
- PORTABLE JUMP PACK - The size of our booster pack jump starter is 8.81in*3.53in*1.42in, weighs only 1.38 pounds, and is equipped with a Carry Case, which is not only very easy to carry but also convenient to store, so you don’t have to worry about clutter anymore
- LED FLASHLIGHT - This car battery jump starter is equipped with 3 LED working light modes: flash light, strobe light and SOS light. This multi-function flashlight is perfect for camping, outdoor, indoor, travel and more, and can also help you in the dark or in emergency situations
- ADVANCED DESIGN - The new YJS40 series car starter jump box is made of fire-proof ABS material, which is more sturdy and durable for an adventurous life, and has multi-function (rain, dust, and drop resistance
- DSLI IV INTELLIGENT CONTROL TECHNOLOGY - YESPER YJS40 car jumper starter portable. Compared with the previous generation technology, the reassembly of the DSLI IV structure and microcomputer control program increases the voltage by 30% to 14.8V, and the starting current peak value is up to 4120A, achieving 1 second car start. The powerful intelligent temperature control technology reduces the starting temperature, helping you start faster, stronger and safer
- IN THE BOX - YJS40 Car Jump Starter, Heavy-Duty Jumper Clamps, USB to Type C Cable, Cigarette Lighter Adapter, Carrying case, User Manual. If you have any questions or concerns, please get in touch with us
Overview
- Brand : YESPER
- Battery Cell Composition : Polymer
- Voltage : 12 Volts
- Product Dimensions : 8.82"D x 3.53"W x 1.72"H
- Vehicle Service Type : Passenger Car, Motorcycle, ATV, RV, UTV, Truck,Snowmobile, Lawn Mower

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Car Care Questions
The best car cleaning setup starts with products that clean faster protect your paint and make your vehicle look professionally detailed at home. A quality car wash kit microfiber towels ceramic spray and interior cleaner help remove dirt road grime fingerprints and stains without damaging surfaces.
For the best results most drivers use ceramic spray coatings to keep paint shinier longer and wheel cleaners to break down brake dust more easily.
Yes. LED car lights give drivers brighter visibility cleaner styling and safer nighttime driving. Many drivers upgrade to LED headlights fog lights and interior LED kits because they last longer use less power and make vehicles look far more modern.
LED upgrades are especially popular for trucks SUVs and off-road vehicles where visibility matters most.
Dash cams help protect drivers during accidents parking incidents insurance claims and unexpected road situations. Many drivers now use front and rear dash cams with parking mode because recorded footage can help provide proof during disputes or hit-and-run situations.
Modern dash cams also offer night vision app connectivity and clearer 4K video quality for everyday driving.
Most truck owners first upgrade accessories that improve storage protection and visibility. LED light bars truck bed organizers running boards all-weather floor mats and roof racks are some of the most useful upgrades for everyday driving work and outdoor activities.
These upgrades also help trucks look more aggressive and off-road ready.
Yes. Wireless CarPlay accessories help drivers use navigation music calls and apps more safely without constantly plugging in cables. Many drivers prefer wireless adapters magnetic phone mounts and fast chargers because they create a cleaner easier and more modern driving setup.
Long commutes and daily driving become much more convenient with wireless connectivity.
Keep your vehicle looking cleaner longer with a simple detailing routine. Use interior cleaners, microfiber towels, wheel cleaners, ceramic sprays, and detailing brushes to refresh high-touch areas, remove road grime, protect paint, and keep your car feeling new between full washes.
For a cleaner finish, focus on the areas that show dirt fastest: wheels, floor mats, dashboard, seats, glass, and exterior paint.
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