CAROSS - 12V 800A Portable Jump Starter with 2.3” Display for 6.0L Gas / 3.0L Diesel, 10,000mAh Power Bank & Smart Boost
About this product
Stay fully prepared on the road with this 12V portable jump starter, designed to deliver dependable performance in unexpected battery emergencies. Built with high-quality red and black clamps, it provides a secure, stable connection to your vehicle’s battery, ensuring safe and confident operation. The compact unit features a 2.3” digital smart display that presents battery level, status indicators, and operation prompts in a clear, easy-to-read layout, helping beginners and experienced drivers alike complete a jump-start quickly and intuitively. Powered by a 10,000mAh lithium-ion battery, this device supports QC18W fast charging so you can keep your phone, tablet, or other small electronics powered while traveling. Whether you’re commuting, road-tripping, or handling daily errands, it doubles as a convenient portable power bank for added versatility. For emergency visibility, the built-in 300-lumen LED light offers three modes—steady, SOS, and flashing—providing additional safety when working in low-light or roadside conditions. The rugged outer casing is engineered for durability and everyday use, resisting wear and maintaining a solid, reliable grip in various weather environments. To keep everything organized, the jump starter comes with a durable protective carrying case that securely holds the unit, clamps, and cables. Lightweight and easy to store in your vehicle’s glovebox, trunk, or emergency kit, it ensures that you have the right tool on hand whenever you need it. This essential tool makes a thoughtful and practical gift for new drivers, students, or loved ones who travel alone. By empowering them to resolve battery issues instantly without relying on strangers or waiting for roadside assistance, you are giving the gift of safety and independence. For added peace of mind, this jump starter is backed by a 1-Year Limited Warranty, providing dependable support long after purchase.
800A Peak Power for Confident Starts
Easily jump-start engines up to 6L gasoline or 3L diesel, getting you back on the road in seconds.
10-Point Advanced Safety System
Built-in protections guard against sparks, reverse polarity, overheating, and battery damage—ensuring safe, worry-free use every time.
Boost Mode for Deeply Drained Batteries
Revive vehicles with batteries as low as under 2 volts, perfect for emergencies when standard jump starters can’t activate.
CAROSS Patented Heavy-Duty Clamps
Engineered for durability and stability, these premium clamps provide a secure connection and enhanced safety on every jump.
QC 18W Fast Charging Support
Recharge the jump starter quickly or power phones, tablets, and other devices on the go with high-speed 18W output.
- BrandCAROSSModel NumberT18Product Name12V 800A Portable Jump Starter with 2.3” Display for 6.0L Gas / 3.0L Diesel, 10,000mAh Power Bank & Smart BoostAmperage800AVoltage12VCompatible Battery TypeAbsorbent Glass Mat (AGM), Lead acid, Lithium-ion manganese oxide, Lithium-ion, Lithium-ion polymer, Lithium-polymer
Reviews
Rating 4.7 out of 5 stars with 3 reviews
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Compare similar products

Stay fully prepared on the road with this 12V portable jump starter, designed to deliver dependable performance in unexpected battery emergencies. Built with high-quality red and black clamps, it provides a secure, stable connection to your vehicle’s battery, ensuring safe and confident operation. The compact unit features a 2.3” digital smart display that presents battery level, status indicators, and operation prompts in a clear, easy-to-read layout, helping beginners and experienced drivers alike complete a jump-start quickly and intuitively. Powered by a 10,000mAh lithium-ion battery, this device supports QC18W fast charging so you can keep your phone, tablet, or other small electronics powered while traveling. Whether you’re commuting, road-tripping, or handling daily errands, it doubles as a convenient portable power bank for added versatility. For emergency visibility, the built-in 300-lumen LED light offers three modes—steady, SOS, and flashing—providing additional safety when working in low-light or roadside conditions. The rugged outer casing is engineered for durability and everyday use, resisting wear and maintaining a solid, reliable grip in various weather environments. To keep everything organized, the jump starter comes with a durable protective carrying case that securely holds the unit, clamps, and cables. Lightweight and easy to store in your vehicle’s glovebox, trunk, or emergency kit, it ensures that you have the right tool on hand whenever you need it. This essential tool makes a thoughtful and practical gift for new drivers, students, or loved ones who travel alone. By empowering them to resolve battery issues instantly without relying on strangers or waiting for roadside assistance, you are giving the gift of safety and independence. For added peace of mind, this jump starter is backed by a 1-Year Limited Warranty, providing dependable support long after purchase.

The Rexing RJ4000 4000A Jump Starter is a high-performance portable battery pack designed for reliable vehicle starting in any situation. With a 24000mAh capacity and 4000A peak current, it jump starts gasoline and diesel engines up to 10 liters, covering cars, SUVs, trucks, boats, and more. The HD LCD display keeps you informed about battery level and operational status, while 65W USB-C fast charging and a QC3.0 USB-A port make it a versatile power bank for phones, tablets, laptops, and other electronics. Its one-touch boost feature helps start vehicles in low-voltage emergencies, and the multi-function LED flashlight with SOS, strobe, and steady modes adds safety in the dark. Built to endure tough conditions, the RJ4000 operates from -4°F to 140°F, is IP64 water-resistant, and meets FCC, CE, ROHS, and UN38.3 safety certifications. Backed by a 12-month warranty and responsive customer support, the RJ4000 is your trusted travel and emergency companion.

This versatile jump starter is a must-have for any driver, delivering a powerful 3000A peak current to quickly start your car even with a completely dead battery. It also functions as an 18000mAh portable power bank for charging devices on the go, while the large LED display provides clear guidance and advanced safety features ensure reliable protection. Compact and durable, this 8-in-1 multifunctional jump starter includes a compass, LED torch, and 12V DC accessories, making it ideal for road trips and emergencies.

Powerful 10-in-1 Emergency Roadside Assistance Tool Be prepared for unexpected situations with the FosPower 10-in-1 Multifunction Jump Starter, combining essential roadside and travel tools into one compact device. Designed for drivers, commuters, campers, and outdoor enthusiasts, it functions as a portable jump starter, tire inflator, cordless vacuum, power bank, air blower, emergency flashlight, and more. The all-in-one design helps reduce clutter while ensuring you have the tools you need for vehicle emergencies, maintenance, and everyday convenience. 1000A Jump Starter & 160 PSI Air Compressor for Vehicle Emergencies Stay ready for roadside emergencies with the FosPower Portable Car Battery Jump Starter and Tire Inflator. Delivering up to 1000A peak current, it is designed to help start compatible 12V vehicles, including cars, SUVs, motorcycles, and trucks (6.0L gas and 3.0L diesel engines). The built-in 160 PSI air compressor features a digital pressure display, real-time monitoring, and automatic shut-off functionality, making it easy to inflate tires, bicycles, sports equipment, and other inflatables with accuracy and confidence. Built-In Vacuum, Air Blower & Portable Power Bank More than just a jump starter, the FosPower Multifunction Device helps keep you prepared on and off the road. The integrated cordless vacuum assists with removing dust, dirt, crumbs, and debris from vehicle interiors, while the air blower can be used for cleaning and inflating compatible items. A built-in rechargeable power bank with USB charging capabilities allows you to power smartphones, tablets, wireless earbuds, and other portable devices whenever access to power is limited. Durable Construction with Smart Safety Features Built for everyday reliability, the FosPower Jump Starter with Air Compressor features a rugged ABS+PC housing designed for portability and durability. An advanced Battery Management System helps provide protection against common electrical hazards, while the easy-to-read digital display provides battery status, operating information, and inflation readings at a glance. Compact enough for vehicles, garages, emergency kits, and travel gear, it is an essential tool for everyday preparedness. Specifications • Dimensions: 3.94 x 3.94 x 8.27 inches • Weight: 57 ounces • 8000mAh • 1000A Peak Current • 0-160 PSI • Charging: Type-C Package Includes 1x Multifunctional Jump Starter 1x Smart Jumper Cable 1x Tire Inflation Hose 1x Vacuum/Blower Hose 1x Type-C Cable 1x Vacuum Brush 1x Vacuum Nozzle 1x Hose Adapter A 1x Hose Adapter B 1x Blowing Nozzle 1x Inflation Accessories (swimming rings, bicycles and balls – 3 set) 1x EVA Storage Box Model : FOSAIR-2467PW.
| Pros for CAROSS - 12V 800A Portable Jump Starter with 2.3” Display for 6.0L Gas / 3.0L Diesel, 10,000mAh Power Bank & Smart Boost | |||
|---|---|---|---|
| There were no pros for this product— | Charging Speed, Overall Performance, Portability, Display, Jump Starting Performance | There were no pros for this product— | There were no pros for this product— |
| Cons for CAROSS - 12V 800A Portable Jump Starter with 2.3” Display for 6.0L Gas / 3.0L Diesel, 10,000mAh Power Bank & Smart Boost | |||
| There were no cons for this product— | Size | There were no cons for this product— | There were no cons for this product— |

















































