10 Best portable car battery charger (2025)

• 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-PERFORMANCE JUMP STARTING - The car jumper starter portable pack has a 45C high-rate lithium battery and 37WH capacity that can start 6.0 L gas/3.0 L diesel engines and other 12 V vehicles like motorcycles, cars, SUVs, pickups, or lawnmowers.This jump starter's powerful 1500 A peak suit current quickly starts low-voltage and fully-drained batteries, stocking stuffers for men and women.
• ULTRA POWERFUL BOOST - The smart boost mode automatically detects the battery's voltage. When the voltage is less than 9 V, the indicator flashes green; this unlocks the "BOOST" button, which can be pressed to start fully-drained batteries.
• QUALITY METAL CALMPS FOR IMPROVED PROTECTION - The safety metal clamps and smart jumper cable better protect the S8 Car Battery Jump Starter from excessive heat damage, loose ports, battery bulging, battery expansion, and more.
• COMPREHENSIVE SAFETY - This portable battery jumper starter has 8 integrated protections including reverse polarity, reverse connection, overcurrent, overvoltage, overload, overcharge, over discharge, and short circuit protection. Ensure your trip is safe and smooth.
• PORTABLE & COMPACT - With an overall size of 7.9*4.5*3.7" and a item weight of 0.95 lbs, it is very easy to store in a car or a travel bag. Compared with bulky lead-acid jump starters, this compact jump starter brings more convenience and peace of mind to your trip.

• 【High-Performance Car Jump Starter】Driven by stable 3500A, the jump box for car battery portable can easily restart 12V dead vehicles up to 8.0L gas & 6.5L diesel engines in seconds even at -4℉~140℉. Support more than 1000+ jumps and easier than asking help from others or roadside service.
• 【16800mAh Power Bank】Integrated 4 thinner, high-capacity battery packs, the battery jumper starter portable also works as a long-lasting power bank recharging any personal mobile device, like smartphones, tablets, or other USB devices.
• 【Wide Angle Multifunctional Light】The jump pack features super bright lights in 4 modes (Flashlight, Strobe(White), Strobe(Orange), SOS). Dual-angle design, wider irradiation range. Suitable for changing tires or checking the engine, for warning or drawing attention, outdoor adventure, traffic accidents or doubling as a warning triangle and many other use scenarios. Make your journey safer.
• 【Rugged Cover & Weatherproof 】Built with a waterproof, dustproof, and shock-resistant shell, this portable jump starter for car with stands rain, snow, and rough terrain. Ready for Any Challenge!
• 【10 Safety Protections】Built-in German imported smart chip, the battery charger car jump starter will automatically perform 10 protections such as short circuit, overheating, overvoltage, overcharging, deep discharge, overcurrent and reverse current. Reliable partner of the vehicle. Designed with ease of use in mind, it's perfect for beginners.

• 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 2500 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 400-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 -4℉ 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.

• 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.

• POWERFUL BOOST FUNCTION - With 2000Amp peak current this jump starter can start the car with a dead battery in seconds, up to 25 times with a single charge. Even if the battery voltage is too low (below 9V), pressing the “BOOST” button will help the engine to restart. Powrun jump starter battery pack can start up to 6.5-liter diesel and 8.0-liter gasoline engines, which is suitable for ‎Passenger Car, ATV, Van, Motorcycle, RV, UTV, Truck, Watercraft, Tractor.
• INTELLIGENT SAFETY SYSTEM - The Powrun battery jump starter has 8 types of protection systems, it comes with excellent conductivity and heavy-duty jump cables. It will work even in extreme temperatures from -4°F to 140°F. The P-ONE car starter has an intelligent indicator and a buzzer to remind you of wrong or correct operation.
• 3 IN 1 ROAD TRIP KIT - P-ONE is not only a portable jump box for car battery, but also a portable power bank and LED emergency lamp. Designed with two USB outputs (5V/3A) and (5V/2.1A), the quick charge 3.0 USB port can fully charge your cell phones tablets, and other mobile devices at a fast speed. Upgraded Type-C input port makes the device can be charged faster. The built-in LED light has 4 modes: Flash Light, Strobe Light, SOS Light, and Red Light. It will be a good friend for camping, outdoors, emergencies, and travel.
• HUMANIZATION DESIGN - Powrun battery jump box is equipped with a digital LCD screen to show the battery status. Compared with other devices without LCD screens but only indicators, you can view the battery status and remaining power more visually. The rubber-covered molded case is waterproof (IP65), dust-proof, and shatter-proof which is durable enough for outdoor use. The device is always ready to work.
• WHAT YOU GET - Powrun P-ONE Jump Starter, Intelligent Jumper Cables, USB-C Cable, EVA Storage Case, User Manual, Two year after-sales service. Please email us for help if you have any questions, we will answer in 12 hours.

• Meet the GENIUS1 - Similar to our G750, just better. It's 35% smaller and delivers over 35% more power. It's the all-in-one universal charging solution - battery charger, battery maintainer, trickle charger, float charger, plus battery desulfator.
• Do more with Genius - Designed for 6-volt and 12-volt sealed lead-acid automotive, marine, RV, powersport, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free, plus lithium-ion batteries (lifepo4).
• Enjoy precision charging - An integrated digital thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
• Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.
• Restore your battery - An advanced battery repair mode uses slow pulse reconditioner technology to detect battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.

• 【10-IN-1 MULTI-FUNCTION JUMP STARTER】This lithium battery jump starter highlights 10 integrated functions transcending conventional jump starters. It's a car jumper starter portable, tire pump, pressure gauge, portable power bank, PD45W fast charging, 4-mode lights (flashlight, strobe, warning, SOS) and also emergency insulated gloves. Portable, versatile and must-have road trips kit for outdoors.
• 【START COMPLETELY DEAD BATTERIES 】The car battery jump starter has unmatched 6000A and FORCE START FUNCTION as dual safeguard, can instantly start your stranded vehicles (up to all gas/12L diesel) including completely drained or low-voltag batteries even at -20℃~60℃. Durable extended jumper cables to reach varied battery terminals. Standby for about 24 months and support 1000+ recharge cycles. Start car confidently every time, which is far easier than get help from another car or roadside service!
• 【5+4+3 160PSI CORDLESS INFLATOR & 3.3" SMART DISPLAY】Easy to use, smart preset, pressure detection & auto shut-off. With higher turbo 45L/Min lasting 35 mins, the portable car jump starter quickly fills a tire to 25 PSI in just 2 mins. 5 inflation modes (MAX 160PSI, with auto parameter memorization), 4 optional units and 3 nozzles for wide applications (cars, motorcycle, bikes, balls, etc). Large comprehensive and sunlight viewable screen reads real-time data and accuracy ±1 PSI. No guess and over-inflation!
• 【45W+18W LIGHTNING-FAST CHARGING】With PD45W USB-C IN/OUT Bi-Directional Speed Charge Tech., the jump starter only takes 1 hour to charge from 0% to 80%, get running in as little as 5 mins. Power your phone up to 4X faster, supporting laptops. Satisfy the same needs but with lower power consumption compared to 65W. Additional 2*18W USB fast outs readily charge multiple devices at the same time at optimal speeds. The car battery charger jump starter is perfect for your on-the-go lifestyle.
• 【EMERGENCY 600LM LIGHTS & INSULATED GLOVES】The jump starter battery pack is featured with 600 lumens LED lights, significantly providing 400%+ brightness and can be used constantly. 4 modes lights are for different emergency and double as warning triangle. 400V insulated electrician gloves are perfect for emergency and professional tasks, such as handling mechanical equipment, automotive work, and other maintenance projects.

• 1,700 Peak Amps; 425 Cranking Amps
• 22Ah Clore PROFORMER Battery
• 46" Heavy-Duty #2 AWG Cables
• Voltmeter provides charge status of onboard battery.
• DC outlet to power 12 volt accessories; DC input to recharge internal battery

This Scatach 002 4000A Car Battery Jump Starter,12V Jump Starter Battery Pack (up to 10.0L Gasoline and 8.0L Diesel Engine), Portable Jump Box with LED Display, 3 Modes Flashlight and Jumper Cable is a top choice in . Customers appreciate its quality, performance, and value.