FlyAuto 2800A/1400A Heavy-Duty 12V/24V Jump Starter & Battery Booster — Lead-Acid, USB Ports

The FlyAuto 2800A/1400A is a heavy-duty 12V/24V jump starter and battery booster designed to deliver reliable emergency power for vehicles from compact cars to large trucks.

When a vehicle battery fails, you need a robust, easy-to-use solution that works across gasoline and diesel engines. The FlyAuto jumper pack combines a high-current lead-acid battery with safety features, multiple charging outputs, and a compact kit of accessories so you can recover vehicles, power devices, and stay visible in roadside situations without fumbling for help.

How powerful is this jump starter and what vehicles will it start?

This unit provides a 2800A peak and 1400A instant output designed to crank a wide range of engines quickly. It supports both 12V and 24V systems so it’s suitable for everyday cars and heavier diesel vehicles.

• 2800A peak current, 1400A instant output for strong cranking power
• Works with cars, SUVs, vans, motorcycles, ATVs, boats, RVs, tractors, cranes, excavators
• Switchable 12V/24V compatibility for gasoline and diesel engines

What safety features protect me and the vehicle during use?

Designed for roadside use, the FlyAuto unit uses established lead-acid chemistry with built-in protections to prevent common mistakes. You get spark suppression and reverse-polarity protection so you can connect quickly and confidently.

• Spark-proof clamps reduce arc risk during connection
• Reverse polarity protection prevents damage from incorrect hookup
• Robust housing and lead-acid chemistry rated for tough temperatures

Can it charge phones and other devices while on the go?

Yes—this jumper includes a DC 12V output plus two USB 5V/2.1A ports so you can top up mobile devices and small electronics while waiting or during travel. An integrated bright emergency light also helps with nighttime repairs and roadside visibility.

• Dual USB ports for phones, tablets, and accessories
• 12V DC port for accessories and in-vehicle devices
• Built-in high-intensity emergency light for safety and illumination

What’s included and how should I maintain the unit for reliability?

The FlyAuto kit comes ready to use with heavy-duty clamps, AC and DC charging cords, and clear instructions so you can precharge and store it for trips. For best performance, plug the jumper clamps to the vehicle battery while charging to ensure a complete charge cycle and extend battery life.

• Complete kit: jumper clamps, AC adapter, DC charging cable, USB/DC outputs
• Pre-charge before travel and store in a dry, cool place
• Tip: connect clamps to the vehicle battery during charging for optimal results

Who is this for: The FlyAuto 2800A/1400A booster is built for drivers who want a dependable, heavy-duty emergency power solution—commuters, fleet operators, RV and boat owners, farmers, and anyone who encounters cold-weather or deep-discharge battery situations. If you need cross-platform compatibility (12V and 24V), robust safety protections, and multi-device charging in a portable package, this jumper pack is a practical emergency staple for your vehicle toolkit.