BOOKOO H9 Jump Starter 4500A,Portable Car Battery Jumper Starter for 10L Gas and 8L Diesel Engines,12V Car Battery Charger with Jumper Cables,USB QC 3.0,16V DC Output,3 LED Modes for Car Camping Trip
Condition: New
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Thursday, Jul 30
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Color: H9 without Magnet
Features
- POWERFUL CAR JUMP STARTER 4500A - BOOKOO H9 battery jumper starter portable can easily jump-start all 12V common vehicles,restarting for up to 10.0L gas and 8.0L diesel engines in seconds with its peak current reaching 4500amps;It performs excellently even at -4~122F cold weather. Supports 50 starts at most on a single charge, always ready to help. It is suitable for lawnmowers, motorcycles, passenger cars, trucks, and even boats, tractor, etc.
- ALL IN ONE CAR JUMPER - This car battery jump starter integrates 4 practical functions to meet all your needs, including 12V car battery starting, 400-lumen LED light, 20000mAh power bank with USB QC3.0 fast charging, and 12-16V/6A DC port to power your 12V~16V devices like smart phones,tablet,camera,airphone, car tire pump,car vacuum cleaner, more functional more powerful
- EXTRAORDINARY MULTI-PROTECTION - H9 New jumper cables with battery pack with certified 10 intelligent protections system(reverse polarity, reverse charge, over discharge, reverse connection, short circuit, over charge, over current, over heat, spark resistance) and upgraded heavy-duty jumper cables kit for car, just use it to jump start your car in the cold winter confidently
- TAKE IT ANYWHERE - This compact & portable jump starter weighs only 1.56 pounds and measures 6.8*3.7*1.5 inches, about the size of a pack of paper. You can easily put it in your bag, or anywhere in your car, without taking up any space. And with a protective case to avoid being worn and damaged,great for car camping,trip
- 3 LED MODES - Jump starter H9 has 3 LED modes for any emergencies(Flashlight, strobe and SOS),such as car camping,reading, car repair,black out,or outdoor needs help, altra bright LED can stay on for more than 48 hours;A great multifunctional car emergency kit
- What You Will Get: BOOKOO H9 New car jump starter x 1, smart jumper cables x 1,USB-A to C cable x 1(without adapter), carrying case x 1, user manua l x 1. We provide 24-month warranty, so please contact our Customer Service if you have any questions at any time
- Tips: Before starting the vehicle, ensure the jump starters power level is above 50%. If not in use for an extended period, recharge the portable jump starter every 3 months to maintain optimal performance and extend battery life
Brand: BooKoo
Battery Cell Composition: Lithium Polymer
Voltage: 12 Volts
Product Dimensions: 6.8"D x 3.7"W x 1.5"H
Vehicle Service Type: ATV, Lawn Mower, Motorcycle, Passenger Car, RV, Truck, UTV, Van, Watercraft
Battery Type: Lithium Polymer
Voltage: 12 Volts
Compatible with Vehicle Type: ATV, Lawn Mower, Motorcycle, Passenger Car, RV, Truck, UTV, Van, Watercraft
Battery Capacity: 20000 Milliamp Hours
Amperage: 4000 Amps
Peak Output Current: 4500 Amps
Automotive Fit Type: Universal Fit
Item Dimensions D x W x H: 6.8"D x 3.7"W x 1.5"H
Item Weight: 1.5 Pounds
Brand Name: BooKoo
Manufacturer Part Number: H9 Jump Starter
Manufacturer: BOOKOO
UPC: 762765727478
Model Number: H9-New
Unit Count: 1.0 Count
Included Components: Cigarette lighter cable, H9 Jump starter, Jumper box, USB C cable, User manual
Manufacturer Warranty Description: 12-Month
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Jul 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Black with DC
Great car jump starter. It’s powerful, compact, and very easy to use in emergency situations. It starts the car quickly without needing another vehicle, which gives a lot of peace of mind. The battery lasts a long time and it’s convenient to keep in the trunk or glove compartment. It also includes useful features like a flashlight and USB charging ports. Very reliable and a must-have for any car owner. Highly recommended 👍
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Reviewed in the United States on May 4, 2026 by Amazon Customer
Color: Black with DC
Easy 5 stars. I've been comparing prices on these gizmos and this is the best price per value given its amperage, compact size, and it comes with a hard case. Battery and jumper are quality with clear charge indicators. I've used this to jump my 4Runner (even at half charge), my wife's Highlander, my son's Rogue (Is leaving interior lights on a hereditary trait?), and I've come to the rescue in a few parking lot emergencies with strangers. It has cranked every time on the first try. Recharges fast with USB-C. Lots of options out there. If you don't need integrated tire compressor, this is the one.
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Reviewed in the United States on January 3, 2026 by JB
Color: Black with DC
This is a must-have for every car! You never know when that battery is going to die on you! I purchased this as a gift for my son-in-law who always seems to have car issues. Hopefully it'll save him in a time of need! Or anyone else for that matter! I've had mine for 2 or 3 years and have had no issues with it at all! It charges really fast and the charge last in storage for quite a while! Get you one so that you will be prepared. It is extremely portable and easy to use in all items fit in the supplied storage bag. And even easier to store in your trunk out of the way!
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Reviewed in the United States on February 6, 2026 by Randman
Color: Black with DC
Bought and charged 9 months ago. Jumped riding lawnmower twice (80°) battery dropped to 50% charge bar. Recharged put away in SUV. 2 months later jump strt car( 90°,4 cyl) down to 50%. Recharge put away. 2 months ago jump start Trailblazer(70°,6 cyl)was 75% dropped to 50% charge ffw this week. (10° temps) sons 4 cyl. CRV dead(left door ajar so battery is completly dead) jump start works no problem. But completly drained(0 out of 4 lights, started at 4) recharge fully and put away. Next day sons CrV again(5° temps). Fully charged jumped easy but dropped to 1 out of 4 lights. Don't get me wrong this has been a lifesaver and has worked everytime and well worth the $50 I paid for it, but don't claim 50 jumps on a single charge. That might give people a false sense of security. Built in light and charger would be nice in a pinch. Most likely will buy another one for son's car. Seller wrote me thinking I wasnt happy with my jumper, offered me a refund, i refused.Cont.- i wasn't expecting 50 jumps on a single charge when I bought it, But your description claimed 50 plus jumps on one charge and I don't want people misinformed. It truly works well. But 50 jumps. I still use it, in fact I was thinking about purchasing another for my son to keep in his car. It really is a lifesaver. I have upgraded from 3 to 5 stars based on customer service and thier need to make me happy.
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Reviewed in the United States on February 20, 2025 by Owen
Color: Black with DC
I received the BOOKOO today, and although I was somewhat dismayed that it isn't equipped for wall charging, only USB, it did charge fairly fast, it came half-charged already. I took it out and attempted to jump my car with a dead battery and the car fired right up, even without turning the on button on, the BOOKOO works as advertised so far, I am going to attempt to take it on an airplane to fla and jump a car I have there that has been sitting for six months, I didn't give it a 5-star rating because of the wall charger issue.
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Reviewed in the United States on August 15, 2024 by Patrick Stephens
Color: Black with DC
This is one fantastic little jump it. I've used it on six vehicles and it still didn't need a charge and it did all six vehicles. No issue would highly recommend
Reviewed in the United States on February 25, 2026 by Darren
Color: Black with DC
Works great so far!
Reviewed in the United States on June 9, 2026 by Silver
Color: Black with DC
The thing is still working I must have bought it about a year ago I use it all the time I have three vehicles and I work on cars so I always having to jump something great little product it has a flashlight but I don't use it that much I just worry about the jumping quality of it start the car right up instantly easy to use it's about as small as you want to get with one of these has not let me down yet on power
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Reviewed in the United States on January 31, 2026 by Tonymoto