YESPER Battery Jump Starter – 4120A Peak Portable Car Starter (All Gas, up to 10.0L Diesel Engine), Auto Battery Booster Pack,Jump Box, DSLI Safe Tech Safely Start All 12V Vehicle& DC 15V Ports

From the brand

YESPER high-end talent team has 10-year battery experience in the automatic field dedicated to the R&D of the jump starter.

We take intelligently designed and unique DSLI tech to give you a safe, portable, and powerful emergency jump starter.

Our objective is: “High standard, high grade, high efficiency, high brand

Hey! car travel lovers

Don’t be desperate，Always say yesper !”

YESPER X1 with Air Compressor

YESPER YJS SPEED SERIES

YESPER ARMOR SERIES

PACK ALL ACCESSORIES

easy to carry, easy to store.

what is our biggest feature

We can start a dead battery by pressing the BOOST button on the jumper cables

Is the capacity of battery real? Is there an exaggeration?

We refuse to exaggerate battery capacity, we are all real battery capacity

[BOOSTER BATTERY JUMP STARTER]- Rated at REAL 4120-amps, the YJS40 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 battery voltage is too low or dead, pressing the “BOOST” button will force the car to restart
[DSLI IV INTELLIGENT CONTROL TECH]- Compared with the previous technology, DSLI IV reassembling of the battery structure and microcomputer control program, the voltage is increased by 30% up to 14.8V, the peak current of the starting current reaches 4120A thus reaching 1 second Start the car, the powerful intelligent temperature control technology reduces the starting temperature; helps you start faster, stronger and safer
[ACCURATE BATTERY CAPACITY]- We do not exaggerate the battery capacity of our product. Our YJS40 jump starter has a true capacity of 24000mAh（88.88WH)
[VERSATILE CHARGING OPTIONS]- Jump pack 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, etc
[LED FLASHLIGHT]- The LED work light has 3 modes: Flash Light, Strobe Light, and SOS Light. This multi-purpose flashlight is great for camping, outdoors, indoors, travel, etc, and helps you in the dark or emergencies
[Advanced Design]- The new YJS series jump starters are made of fire-proof ABS material, which is more sturdy and durable for an adventurous life, and have multi-function (rain, dust, and drop resistance
[WHAT YOU GET]- YJS40 Car Battery 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