Car Jump Starter 4000A, Jump Starter Battery Pack for Up to 10.0L Gas and 8.0L Diesel Engines, 12V Portable Jump Box with LED

4.4 4.4 out of 5 stars | 476 ratings

Price: 29.99

Last update: 04-10-2025


About this item

【More Powerful Booster】This 3000-Amp peak lithium car jump starter battery pack can start a vehicle(Up to 9.0L gas/ 7.0L Diesel Engine) in seconds, suitable for car, truck, motorcycle, boat, RV or tractor and so on.
【Portable Power Supply】With dual USB (5V/2A) output, this car starter battery pack can be used as a power bank to charge smartphone, laptop, and other USB devices.
【Multi-Protection】 Sharmeal Jump starter uses design of Integrated Battery and Intelligent Clamps, which is fully insulated and safe enough. 10 types of protection include spark-proof, reverse-polarity protection to protect you from failure problems such as short circuits or sparks.
【400 Lumen Lighting】 Say goodbye to old bulky jump start battery pack! Sharmeal is more lightweight and portable. The battery starter utilizes 400-lumen lighting lasting 48h with 3 modes :Flash Light, Strobe Light, and SOS Light.
【What You Get】Our Brand is specialized in vehicle emergency starter with 24 months warranty. Sharmeal jump pack (1* jump starter, 1* smart jumper cables, 1* type-C charging cable, 1* user manual, 1* portable carrying case, 1* velvet bag).

Product information

Technical Details


Top reviews from the United States

  • Travis Carden
    5.0 out of 5 stars A must have!
    Reviewed in the United States on December 27, 2024
    **Lithium Automotive Jump Starter – A Must-Have for Every Vehicle!**

    I recently picked up this lithium automotive jump starter, and I’m thoroughly impressed with its performance and value. Whether you’re looking for a compact solution for emergency situations or a reliable tool to keep in your vehicle, this jump starter ticks all the boxes.

    **Great Value & Compact Size:**
    For the price, this jump starter offers incredible value. It’s much smaller and lighter than I expected, making it easy to store in my vehicle without taking up too much space. Despite its compact size, it packs a serious punch when it comes to jump-starting power. I’ve used it several times on both my diesel truck and my 30hp tractor, and it has worked flawlessly each time.

    **Powerful Enough for Diesel & Larger Engines:**
    I was initially skeptical about using a small jump starter on my diesel truck, but this one has proven to be more than up to the task. It easily started my truck even after it had been sitting idle for a few days in cold weather. I’ve also used it on my tractor, and it worked just as well—no problems with starting the engine, even on larger machinery like my 30hp tractor. This lithium jump starter is powerful enough for both cars and heavy-duty equipment, which is a huge bonus.

    **Easy to Use:**
    The jump starter is incredibly user-friendly. Simply connect the clamps to the battery, press the power button, and you're good to go. The included instructions are clear, and the process takes no more than a few minutes. It’s so simple that anyone, regardless of technical knowledge, can use it in an emergency.

    **Reliable & Safe:**
    I love the peace of mind that comes with having this jump starter in my vehicle. It’s designed with built-in safety features, such as reverse polarity protection and overcharge protection, which give me confidence when using it. I’ve never had any issues with it, and it’s always delivered exactly what I needed.

    **Portable & Convenient:**
    What really sets this jump starter apart is its portability. I keep it in my truck and my tractor, and it’s so easy to grab and go when needed. It’s also incredibly convenient for traveling, camping, or working on the farm, where you don’t always have access to a traditional power source or jumper cables.

    **Conclusion:**
    If you’re looking for a reliable, high-quality jump starter that doesn’t take up a lot of space, this lithium model is an excellent choice. It’s powerful enough for both personal vehicles and larger machines like diesel trucks and tractors, making it a versatile and indispensable tool to have in every vehicle. Whether you’re a farmer, off-roading enthusiast, or just someone who wants to be prepared, this jump starter is a must-have! Great value, easy to use, and highly effective—highly recommend!
  • J Pulaski
    5.0 out of 5 stars Worked great
    Reviewed in the United States on February 3, 2025
    Solid built product at a great price. Worked to start dead battery on first try. Also very handy to use for laptops and cell phones etc. Seems to hold a charge for a long time. When I had a question for the company they answered quickly and were extremely helpful!
  • stephanie
    5.0 out of 5 stars Great
    Reviewed in the United States on February 3, 2025
    Jump started car on first try with no issues. This is a great compact tool to have
  • Derrick Doss
    4.0 out of 5 stars works fine.
    Reviewed in the United States on November 7, 2024
    good product.
  • Pamela Street
    5.0 out of 5 stars Lifesaver and Pays for Itself After Just 1 Use
    Reviewed in the United States on January 9, 2025
    This jump starter is a lifesaver and pays for itself after just one use. I bought a used car in the summer from a dealership that decided replacing a 6 year old factory battery wasn't important. Fast forward to wintertime and my car kept dying overnight whenever the temperature dropped below freezing. AAA only gives a free jump 4 times a year and calling for a mobile jump from an outside company runs anywhere from $65 - $100 in my area. I decided to buy this and I'm so glad I did. I was nervous about going for a cheaper jump starter but it has surpassed my expectations. It started my Jeep Cherokee up within seconds each time. The built in flashlight comes in handy when it's dark and I like that if I needed to , I could charge my phone on it. The battery on this jump starter is great. 1 jump doesn't use much power so you don't need to charge it often. I would recommend this even if you're not having car battery issues.
  • Ester Anderson
    5.0 out of 5 stars Satisfied customer
    Reviewed in the United States on February 2, 2025
    This is a great jump starter and charger. It delivered on time and when I got it the battery was fully charged. I used it to jump my truck off and it fired right up. I recommend this product to anybody our there. It's a must have and keep it in your car at all time it will come in handy for yourself or to help someone else
  • Mr Joe
    5.0 out of 5 stars Totally worth the buy
    Reviewed in the United States on January 27, 2025
    It works well when you NEED IT.
  • pugdog24
    1.0 out of 5 stars My unit was a fail...
    Reviewed in the United States on January 7, 2025
    Gave the device a single star simply because the concept is terrific, but...

    Never had chance to try to use as jump start for my car...and had to return this item due to fact that it failed to charge any device, such as tablet, phone, etc, plugged into USB-C jack for charging external devices. Device recognized the charger as attached, showed charging, but would only charge VERY slowly for maybe an hour or two, moving the existing device battery level only 3%, then it simply leveled out and wouldn't show any progress, although still recognized attached. Interestingly enough, the Jump Starter Battery Pack showed a drain on its charge available, even though next to nothing being given up to attached device. When went to check out charging ability of the battery pack itself, also VERY slow. I attempted to contact seller, explaining the situation, and giving seller the option of replacing a return to see if that would solve my problem...NEVER heard a word from the seller. So will be giving him a thumbs down as well. The good thing...Amazon return accepted without any delay.

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