★★★★★
Awesome product
Tyler—December 26, 2025
I love this jump box!! It is super handy, last good and easy to use. It is super handy on the farm and will even start my 6 cylinder diesel tractor! Read more
S ZEVZO
S ZEVZO ET03 Car Jump Starter 4000A Jump Starter Battery Pack for Up to 8 0L Gas and
$56.99$93.98
About this item
- POWERFUL CAR BATTERY JUMP STARTER: The ET03 car battery jump starter can easily jump-start all 12V common vehicles with up to 8.0L gas and 7.0L diesel engines in seconds with its peak current reaching 4000 amps. Supports 50 jump starts at most on a single charge and suitable for lawnmowers, motorcycles, passenger cars, trucks, and even boats, etc.
- STARTS 0V DEAD BATTERIES EASILY: This car battery jump starter has integrated the force start function in the jumper clamps, which delivers powerful performance to bring your vehicle back to life even if the vehicle has a completely dead battery at 0V. Please make sure this battery jump starter is fully recharged or above 14V if you want to use this jump starter on a car with a dead battery.
- BACKUP PORTABLE POWER BANK: This jump starter battery pack can also work as a 74Wh large battery capacity portable power bank to charge your smartphones, tablets, or other USB electric devices. Two 5V/2A USB output ports are packed on this jump starter that can be applied at the same time for charging, 50% faster than a standard charger.
- PACKED WITH LED EMERGENCY LIGHT AND BONUS FEATURES : the ET03 car jump starter is packed with a 500-lumens LED flashlight to provide help in darkness or for emergency situations that support three variable light modes (stable, strobe, and SOS). There are more features included such as an LCD screen to check the battery status, a wide working temperature from 14℉ to 140℉, and 24 months long standby time.
- 10 INTELLIGENT SAFTY PROTECTIONS: This jump starter battery pack is super safe to use with 10 intelligent safety protections against overcharge, short circuits, reverse polarity, power surging and sparking, and so forth. You can detect the errors by simply checking the lights and the beep sound from the smart jumper clamps.
- WHAT YOU GET & SERVICE: the package you get includes 1 * SZEVZO ET03 Jump Starter, 1 * Smart Jump Cables, 1 * USB Type-C Charging Cable, 1 * Storage Case, 1 * User Manual. This jump starter is covered by our 2 years full service, so please contact us if you have any questions or if you are facing any issues with this jump box.
$56.99
Was $93.98Save $36.99
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Product details
| Brand | S ZEVZO |
|---|---|
| Battery Cell Composition | Lithium Ion |
| Voltage | 12 Volts |
| Product Dimensions | 1.5"D x 3.4"W x 7.5"H |
| Vehicle Service Type | Lawn Mower, Motorcycle, Passenger Car, Tractor, Truck, Van |
Technical specifications
| brand | S ZEVZO |
|---|---|
| product_dimensions | 1.5"D x 3.4"W x 7.5"H |
| item_weight | 1.4 pounds |
| amperage | 4000 Amps |
| peak_output_current | 4000 Amps |
| manufacturer | Dongguan Chuangyi New Energy Technology Co., Ltd |
| upc | 840164807288 |
| automotive_fit_type | Universal Fit |
| model | ET03 |
| item_model_number | ET03 |
| batteries | 1 Lithium Ion batteries required. (included) |
| manufacturer_part_number | ET03 |
| bulb_type | LED with 3 Modes(Flashlight, SOS, Strobe) |
| special_features | 2500A Peak Current Car Battery Jump Starter that can easily start 12V lawnmowers, motorcycles, cars, pickup trucks, ATVs, UTVs, and yachts in just minutes. Designed with 2 USB output ports to work as a portable power bank. Safe to use with 10 kinds of comprehensive protections. Powerful Performance: jump starts up to 8.0L Gas and 7.0L Diesel Engines.3 LED Flashlight Modes: Solid, Strobe, SOS. Battery Life: 1000+ Cycles Standby Time: More than 24 Months. Please charge it every 1-3 months. |
| best_sellers_rank | #267 in Automotive ( See Top 100 in Automotive ) #9 in Jump Starters |
| date_first_available | August 2, 2023 |
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Customer reviews
4.65,255 ratings
Customers say
Customers find the jump starter works instantly and starts cars on the first try, appreciating its compact phone-sized design and ease of use compared to jumper cables.
★★★★★
Very good product at a great price.
Bob Kersting—January 7, 2026
I was skeptical until I used this. It works very well. When they say your vehicle will start immediately , they aren't kidding. It is very well constructed and sturdy. I would recommend that everyone gets one for themselves or a loved one. Read more
★★★★★
Small yet powerful
thatblasiangirl—November 16, 2025
This thing has saved my tail on more than one occasion. Had a problem with my main fuse and it was causing my battery to not be charged while driving. I was able to give myself a jump to get home everyday until I figured out what the problem was. Love it because I really didn't want to ever have to rely on the kindness of a stranger to get me out of a bad situation. At full charge I was able to jump myself 3 times and it still said there was 70% charge left. It's small and fits in my glove box. It's super easy to use too. Read more
★★★★★
Well worth the money
Scott buchanan—January 4, 2026
Wonderful little tool! Works exactly as advertised. Battery completely dead at 7 degrees fahrenheit turned it right over. Life saver. Read more
★★★★☆
Useful and works well.
Bob B.—October 26, 2025
Works well and I'm glad I bought it. I like that it is much more compact and easier to use than a different kind I had previously. If you buy it, just make sure it is always charged and ready to use when you need it. Read more
★★★★★
Good quality
ANDREA WILLIAMS—December 29, 2025
Easy to use. Good battery life so far. Small enough to carry with you in car. Lightweight Read more
★★★★★
Works as promised, great addition to any car safety package
Michael D. Kastler—December 11, 2025
We bought this for my daughter's car as it started having troubles and needing jumps. Does exactly as advertised - and holds a "shocking" amount of charges for it's size, too! The built-in flashlight is a nice touch, and the ability to charge a phone or other device is a great safety feature if you're stuck somewhere, especially in winter. I have now also used it on my toyota hybrid, when the starter battery went bad - saved my bacon on a cold Thanksgiving morning! Read more
★★★★★
A godsend multiple times already!
Jerry Hedrick—December 16, 2025
Absolutely top notch product! Small, easy to use and effective. One of our cars is an old beater that was having electrical system issues. So I've had the opportunity/curse of having to use this three times in the last few weeks. Each time it has started up the car instantly, including on some nasty cold mornings. I'd hate to think what I would have had to do without it. But remember to recharge it -- these three jumps have lowered the device from 99% charged to only 4%. Fortunately that's easy to do inside the house altho it takes a few hours. In theory you can hook it up to an in-vehicle USB hub to keep it charged, altho that is not an option in my case. Regardless, I'm very pleased and glad to have it! Read more
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