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Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful, 1000-amp lithium battery jump starter - up to 20 jump starts on a single charge - and rated for gasoline engines up to 6.0-liters and diesel engines up to 3.0-liters.

UltraSafe - Safe and easy-to-use car jumper starter and jump pack without worrying about incorrect connections or sparks. Safely connect to any 12-volt vehicle with our mistake-proof design featuring spark-proof technology and reverse polarity protection.

Multi-Function - It's a car jump starter, portable power bank, and LED flashlight. Recharge smartphones, tablets, and other USB-C devices. It's easily rechargeable from any powered USB-C port in 3-hours at 2.1-amps. Plus, an integrated 100-lumen LED flashlight with seven light modes, including emergency strobe and SOS.

Advanced Design - Our most advanced car battery charger jump starter ever. Featuring high-discharge lithium technology for safe operation in any climate. A rugged and water-resistant enclosure rated at IP65. A rubberized over-molded casing to prevent scratching or marring of surfaces. And an ultra-compact and lightweight design weighing just 2.5 lb.

In The Box - GB40 UltraSafe Portable Car Jump Starter, Heavy Duty Booster Clamps, USB-C Charging Cable, Microfiber Storage Bag, 1-Year Warranty, and Designed in the USA.

【High Efficient Battery Jump Starter】The portable jump box with latest QDSP technology has 3-5 times the current of the same capacity old jump starter. Boosted 4000A jump starter battery pack can instantly restart 12V dead vehicles (rated uo to 9L Gas/8L Diesel) in seconds even at -20℃~60℃, support more than 1000+ recharge cycles. Powerful and suitable for on the go.

【Smart Cordless Inflator with LCD Display】The car jumper starter supports smart preset & auto shut-off without repeated adjustment and check. With unique turbocharged 35L/Min (150 PSI) lasting 25 minutes, jump starter provides fast and proper inflation to various tires, balls, etc. Friendly design with real-time data reading, detachable extended air hose and 3 optional unit switching for covenience.

【Multi-Purpose but More Portable】Say goodbye to old bulky battery jump starter! It’s more lightweight but integrates 6 practical features to meet all your needs, including car jump starter, air compressor, bright lighting lasting 48h, SOS for emergency, and 2 quick outports to charge various electronic devices.

【Escort Your Safety】Through the subversive innovation of the assembly structure and honeycomb thermal design, the jumper starter start-up temperature is reduced by 30% to balance. Patented jump starter with high temp. Resistant sturdy case for high safety, extended cables to reach varied battery terminals and timely visible alarms for auto 10 protections, fully protects you and batteries from any improper operations.

【Lifetime Hassle-Free Service】Made to support you! We hope you never have the need, but if you do, our service is friendly and efficient.

【Powerful Car Battery Jump Starter】-One single full charge, up to 50 starts. Autoone battery jump starter portable can easily jump start all 12V common vehicles in seconds(up to all gasoline/10.0L diesel engines), including drained batteries. The jump starter has FORCE START FUNCTION, one press to "Boost" complete dead car batteries. Self-helped and a must-have car accessory in your garage, outdoors or long trips

【Escort Your Safety while Jump Start】-The portable jump box for car battery is built-in multifunctional safety protection system including spark-proof, reverse polarity, short circuit, high-temperature, overcharge protection, etc. And with smart clamps design, jump pack without worrying about incorrect connections or sparks even if you're a novice. Wide application for 12v vehicles like motorcycles, pickups, RVs, tractors, trucks, vans, ATVs, snowmobiles, yachts, and more

【Multifunctional Car Emergency Kit】-Autoone jumper starter battery booster is an 3-in-one car emergency kit that serves as a car battery jump starter, portable power bank and LED flashlight. It’s equipped with 2 USB output ports to charge smartphones, tablets, and other USB devices. It's easily to get faster recharging from any powered USB port with an type-C cable(Included) or wall charger(not included). Plus, it offers 600-lumen LED flashlight with 3 modes: flashlight, strobe, and SOS. Lifesaver on multiple occasions

【Rugged Build Quality & LCD Display Screen】-AUTOONE portable car jumper starter adopted with ABS impact-resistant casing and acrylic high transparent panel which is more durable, can withstand drops and impacts. The full LCD screen shows precise remaining percentage of power and working status. Clear at a glance, foolproof operation

【Sleek and Compact Design】-The whole jump pack is lightweight at 1.98 lbs and measures only 7.76*3.54*1.26 inches. Except for keeping the jump starter in the car for unexpected situations. It can perfectly fit in your pocket on road trips, easy carry in a backpack for camping or traveling

【Gift Box Packaging】:1x AUTOONE JS1M jump starter, 1x smart jumper cables, 1x storage bag, 1x USB Type-C Charging Cable, 1x User manual. (PS:AC adapter is not included in the package) 24-hour online after-sales team for any issue. 48 months warranty and lifetime reliable technical support

Powerful Jump Starter: Revolutionize your roadside experience with the AUTOONE JS02 Jump Starter, the ultimate solution for emergency vehicle starts. This powerhouse jump starter is engineered for universal compatibility, effortlessly reviving any 12V vehicle, including all gasoline and 12L diesel engines. With a peak current of 6000 amps, you’re guaranteed top-tier performance.

Compact Convenience: The car jumper starter portable is not just powerful, it’s also designed for convenience. Its compact size allows it to fit neatly in armrests or small storage pockets, ensuring it’s always within reach when you need it most.

Versatile and Portable: Whether you’re driving a car, truck, motorcycle, or operating a boat, RV, tractor, ATV, UTV, lawnmower, or snowmobile, the jump start battery pack is your go-to device. It’s incredibly lightweight and portable, offering up to 50 jump starts on a single charge.

Intelligent Safety: Equipped with an intelligent jumper clamp, this jump box for car battery provides 10 layers of safety protection, guarding against overcharging, short circuits, reverse polarity, power surges, sparking, and more, ensuring your safety and peace of mind.

Dual-Function Design: Beyond jump-starting, this portable car jump starter serves as a portable power bank. Charge your smartphones, tablets, and other USB devices with ease, thanks to its dual USB output ports, including one for quick charging.

Extended Standby: The AUTOONE jumper cables with battery pack boasts an impressive 48-month standby time, automatically shutting down after 10 seconds to conserve power. It’s an essential, long-lasting tool for every vehicle owner.

Complete Package: Your purchase includes 1*AUTOONE JS02 Jump Starter 1*Smart jumper cables 1*USB-C Charging Cable 1*High-quality EVA Protection Case, 1*User manual. Should you have any questions post-purchase, our customer service is ready to assist you. The JS02 Jump Starter is perfect for anyone who values safety and preparedness on the road.

TIP: For optimal performance, please fully charge the device before its first use. This will ensure the jump starter works properly when you need them the most.

Outstanding Jumping Performance: With a peak current of 5000A, this jump starter can start almost all common 12V vehicles with up to 10-liter gas and 8.0-liter diesel engines. It can jump-start at most 40 times on a single full charge, and it is perfect for lawnmowers, motorcycles, cars, pickups, snowmobiles, ATVs, UTVs, and small trucks.

74Wh Portable Power Bank: This portable jump box also has a battery capacity of 74Wh that can be used as a backup power bank to charge your phones, tablets, and other USB port digital devices. It is designed with two USB outputs (5V/3A) and (5V/2.1A) that can be applied simultaneously for charging, 50% faster than a standard charger.

10 Comprehensive Safety Protections: This jump starter battery pack is designed with 10 intelligent safety protections and is safe to use, including short-circuit protection, reverse connection protection, high-temp protection, low-voltage protection, and the like. There will be a beep sound and indicator light signs from the smart jumper clamps when facing an error.

Versatile Jump Starter WIith Bonus Features: This H021 car jump starter can work as a 500-lume LED flashlight to provide light in darkness or other emergencies with three choosable light modes( stable, strobe, and SOS). More features are accessible on this jump starter such as a Type-C input charging port, 24 months long standby time, dustproof and water-resistant, and a working temperature from -4℉ to 140℉.

What You Get: The package includes 1 * SZEVZO H021 Jump Starter, 1 * Smart Jump Clamps, 1 * USB Type-C Charging Cable, 1 * Storage Case, and one User Manual. This jump starter is covered by our 12-month service, so please email us freely if you have any questions when using this jump box.

➤【 10-IN-1 MULTI-FUNCTIONAL JUMP STARTER 】Say goodbye to general car battery jump starter! YA90 is more powerful, integrates 10 practical functions to meet all your needs, including 7000A car emergency start, tire pump, pressure gauge, 4 modes lights (flashlight, strobe-white, strobe-red, SOS), portable power bank, 65W fast charging and 160W DC out with DC cigarette lighter adapter. Powerful, versatile and must-have road trip kit.

➤【 BOOST COMPLETELY DEAD BATTERIES 】 Powerful and safe, With boosted 7000A, the car battery jump starter pack can instantly jump start 12V vehicles up to All gas/ 12.0L diesel engines. Durable extended jumper cables to reach varied battery terminals. And the car battery jumper starter portable has FORCE START FUNCTION, one press to "BOOST" completely dead or low-voltage car batteries.

➤【 160PSI CORDLESS DIGITAL INFLATOR 】 Easy to use, smart preset, pressure detection & auto shut-off. With higher turbo 45L/Min (160PSI) lasting 35 minutes. The portable car jump starter with air compressor inflates a car tire to 30 PSI in just 2 minutes. 3.3" Large LCD screen to read real-time tire pressure, 3 optional units(PSI, BAR, KPA), 5 inflation modes (Car, Motorcycle, Bicycle, Basketball and Custom Inflation, select Custom Inflation Mode to inflate above 60 PSI, up to 160 PSI), 3 different nozzles and and detachable extended air hose for inflating cars, bikes, balls, etc.

➤【 65W+18W+160W LIGHTNING-FAST CHARGING】 Featuring unmatched PD65W USB-C IN/OUT Bi-Directional Speed Charge Tech., only 1.5 hours can fully charge car jump starter from 0% to 100%. A 5-min charge to get running. 5X faster powering up your phones, tablets and laptops. Additional dual USB-A (12W/18W) fast outs to charge multiple devices simultaneously, the upgraded 160W DC continuous output mode provides constant power to 12V in-vehicle devices such as air compressors and car refrigerators. The jump box for car battery standby for about 24 months, always ready to help you. (Note: 65W wall charger is not included)

➤【 600 LUMENS LIGHTS & RETRACTABLE HANDLE 】 600 lumens bright LED lights, 6-7 times brighter than other portable jump starter for car, light up to 96 hours constantly. 4 Modes lights (flashlight/strobe-white/strobe-red/SOS) for different emergency and double as a warning triangle. Humanized design, with a sturdy retractable carrying handle

➤【 3.3-INCH LARGE DISPLAY & 10 SAFETY PROTECTIONS 】 3.3" LCD screen, easy to use, the battery level, mis-operation indication, inflator mode, real-time tire pressure at a glance. The jumper box for car battery portable is 100% safe, 10 types of protections include spark-proof and reverse polarity protection without worrying about incorrect connections or sparks.

➤【 WHAT YOU GET 】YaberAuto YA90 jump pack (1* jump starter with air compressor, 1* heavy duty jumper cables, 1* air pump hose, 3* gas nozzles, 1* USB-C charging cable, 1* USB-A charging cable, 1* DC cigarette lighter adapter, 1* user manual, 1* portable EVA carrying case, 2-YEAR Warranty and lifetime tech support. If you have any after-sales questions about jump starters, please contact us.

24000mAh&4000A Jump Starter - Megavolt24 equipped with a powerful 24000mAh battery, this car battery jump starter is well-suited for 12V vehicles like cars, trucks, boats, and larger vehicles. wolfpack effectively restores your vehicle's power in emergency situations, supporting both gasoline and diesel engines with a capacity of under 10 liters

HD LCD Display - The LCD screen offers a transparent presentation of all the status indicators for the car jump starter portable supply. Easily observe the current condition of your emergency power source, enabling smooth access to all functionalities.

65W USB-C Quick Charging - Featuring 1 * 65W Type-C in/out port, 1 * QC3.0 USB-A port, and coming with a PD65W fast charger, our jump start battery pack source can be fully charged in just 1.3 hours. Equipped with two output ports, it efficiently charges various electronic devices such as phones, laptops, and iPads, making it a perfect choice for travel or camping.

One-Touch Booster and LED Flashlight - This jump starter features a one-touch boost function for starting vehicles under low voltage. It also includes an LED flashlight with SOS, strobe, and high-beam modes, serving as an essential emergency tool.

Withstands -4 to 140°F & High Security - the portable battery jumper starter operates reliably in extreme conditions. It has passed various safety tests, including UL, FCC, CE, and CA65. With an IP64 protection rating, it ensures resilience in harsh environments.

24 Months Warranty & Customer Services - The battery jumper starter portable comes with a 24-month warranty, software upgrades, and 24/7 customer service. During this period, we will resolve any issues related to the product, installation, or usage for you.

Excellent Car Jump Starter: This powerful car jumper starter portable delivers 5000A peak current. Starts 9.0L gas/8.0L diesel engines and 12V vehicles in seconds, even in extreme temps from -4 to 140°F, for cars, trucks, motorcycles, and SUVs

Wireless Air Compressor: The jump starter with air compressor is equipped with real-time tire pressure detection and auto-stop inflation. The car battery charger jump starter has a maximum pressure of 150 PSI and can inflate for up to 25 minutes

4 Units and Nozzles: The jump box for car battery supports 4 selectable units (PSI, BAR, KPA, KG/cm²) to quickly inflate car tires up to 20 PSI in just 2 minutes, and 4 different nozzles can be used to inflate cars, motorcycles, bikes, balls and more

Multiple Safety Protections: The jump start battery pack is equipped with high-strength metal clips and smart jumper cables, which provide full safety protections, including reverse connection, overcurrent, overvoltage, overload, overcharge/discharge, etc

Smart Jumper Cables: The jumper cables indicator light will provide any possible operational errors, auto-detecting connections and alerting in real-time to ensure spark-less operation, ensuring maximum safety for you and your vehicle

Portable & Versatile: The portable car jump starter measures 3.34x2.2x6.73 in and weighs only 2.12 lbs, easy to store in your car and travel bag. three great features include a jump starter, a mobile power source, and an LED light source with 3 modes

What Can You Get? 1*portable jump starter for car, 1*jumper cables, 1*USB-C charging cable, 1*air pump hose, 4*air nozzles, 1*portable storage case, 1*user manual, 1*reminder card. Contact us if you have any questions

Note: Make sure the jump starter is more than 70% charged or fully charged before starting the car. In addition, if it is not used for a long time, it is recommended to charge the jump starter every 2-3 moths to keep the battery jumper in normal condition

【Instant Power for Vehicles】: This jump starter with an air compressor delivers a peak current of 4500A and features a 20000mAh capacity, making it ideal for reviving 12V vehicles, including those with 9.0L gas and 8.0L diesel engines. Perfect for trucks, boats, and more, battery jumper starter portable is your reliable companion for road or water emergencies.

【Versatile 180° LED Flashlight】: Equipped with three modes (flashlight, strobe, SOS), the Powerfar car jumper starter portable ensures visibility in any situation. Its rugged casing protects against water, dust, and drops, making it perfect for camping and outdoor adventures. Enjoy enhanced illumination with a 180-degree lighting angle.

【Portable Power Bank】: Beyond jump-starting, this car battery jump starter serves as a portable power solution with USB outputs (5V/2.4A, 9V/2A, 12V/1.5A; 18W MAX). Compatible with smartphones, tablets, Kindles, and cameras, it offers fast charging wherever you go.

【160 PSI Smart Digital Tire Inflator】: Portable jump starter for car Featuring a built-in air compressor, smart screen, and tire pressure detection,It can be inflated in five modes: balls, bicycles, motorcycles, cars, and customized air pressure inflation.this jump starter battery pack inflates standard car tires to 30 PSI in just 2 minutes. Stay prepared for your next journey with ease.

【Advanced Safety Features】: Jump start battery pack with 10 intelligent safety protections, from overcharging to reverse polarity, this portable car jump starter provides peace of mind in extreme temperatures (-4°F to 140°F), ensuring safe operation for both beginners and experts.

【Compact and Portable Design】: Compact in size (8.26 x 4.33 x 2.36 inches) and lightweight (3.30 pounds), Car jump starter is as portable as standard power banks. Easily stows away in your vehicle or bag, saving space during travels.

【What's Included and Warranty】: Your purchase includes 1*Jump Starter with Air Compressor, 1*Smart Jumper Cable, 1*Air Pump Hose, 3*Nozzles, 1*USB-C Charging Cable, 1*User Manual, 1*US adapter, and 1*Portable EVA Carrying Case. Enjoy a 2-year warranty, lifetime technical support, and 24/7 customer service.

START CURRENT VS PEAK CURRENT - Start Current is the initial surge when powering on a device, while Peak Current is the maximum short-term load during operation.

INSTANTLY REVIVE DEAD BATTERIES - The S8 Pro car jumper starter portable is equipped with a powerful 12,000mAh battery that can quickly jump-start a dead car battery in seconds using Regular Mode.The S8 Pro Car Battery Jump Starter can also start fully-drained or larger batteries, if the indicator on the clamp turn green when it detects low voltage, just press the “BOOST” button it will forcefully restart the car. It's perfect for vehicles with up to 9L gas or 6L diesel engines, including motorcycles, cars, SUVs, and lawnmowers.

EXTRA SAFETY - The S8 Pro Car Jump Starter is equipped with 10 safety protections, including reverse polarity, overcurrent, overcharge, overdischarge, high & low temperature, reverse connection, over voltage, overload, short circuit, and it’s spark proof, which help the jumper cable ultra-safe and easy to use.

WITHSTAND HARSH CONDITIONS - The S8 Pro Car Battery Charger Jump Starter features a specially - designed PVC cover that is durable and rugged, providing full-protection in severe conditions. It is UV-Resistant, impact-resistant and capable of withstanding stormy or sandy weather. Additionally, the premium PVC cover is IP66 waterproof, ensuring the S8 Pro Booster Pack Jump Starter performs at its best in any environment.

A PORTABLE POWER BANK - Featuring Type-C and USB-A ports, it serves as both a powerful battery jumper starter portable and a power bank, capable of charging various devices like smart phones and laptops, no matter where you go.

3-MODE LED FLASHLIGHT - The S8 Pro features three light modes— flashlight, strobe, and SOS—ensuring you’re prepared for night drives, outdoor camping adventures, emergencies, and more.