The Baseus PrimeTrip VJ1 Supercapacitor Car Jump Starter 1200A is a compact, battery-free emergency device powered by advanced supercapacitor technology, delivering a 1200A peak current (600A starting current) to instantly jump-start 12V vehicles including cars, SUVs, motorcycles, and light trucks up to approximately 4.0L gasoline or 2.5L diesel engines—even in extreme cold temperatures where traditional lithium jump starters may fail. Unlike conventional battery-based models, it requires no pre-charging, self-charges rapidly from a weak car battery in minutes via smart energy harvesting, and offers unlimited starts as long as the donor vehicle has residual power. It doubles as a 4-in-1 tool with a built-in 150 PSI air compressor for tire inflation (with auto-stop and digital display), a 3000mAh power bank (rated ~7800mAh at 5V/3A output) for charging phones or gadgets, and a bright LED flashlight for nighttime emergencies. Featuring a full-color LED display for real-time status, multiple safety protections (overload, short-circuit, reverse polarity), PTC smart heating for low-temp reliability, USB-C input for occasional top-ups, and a portable design (around 17 × 12 × 5.8 cm), it’s an ideal, maintenance-free roadside companion for drivers seeking quick, safe, and versatile emergency power in one lightweight unit.
Key Features
Supercapacitor-Powered Instant Starts
Powered entirely by advanced supercapacitors instead of a traditional battery, it delivers 1200A peak current (600A starting current) for reliable, instant jump-starts on 12V vehicles up to 4.0L gasoline or 2.5L diesel engines, even in extreme cold where lithium-based starters often fail, with no pre-charging required and unlimited starts as long as the donor vehicle has some residual power.
Self-Charging from Weak Batteries
It rapidly self-charges in minutes directly from the vehicle’s weak battery using smart energy harvesting technology, eliminating the need for external power sources or waiting for recharges—simply connect and start, making it maintenance-free and always ready for unexpected roadside emergencies.
Built-in 150 PSI Air Compressor
The integrated high-pressure air compressor reaches up to 150 PSI with auto-stop functionality and a clear digital display, allowing quick and precise tire inflation for cars, motorcycles, bikes, or sports balls directly from the unit, turning it into a versatile roadside tool beyond just jump-starting.
3000mAh Power Bank Functionality
It doubles as a portable power bank with approximately 7800mAh equivalent capacity at 5V/3A output, enabling emergency charging of smartphones, tablets, or other USB devices through its USB ports when stranded or during outdoor activities.
Multi-Safety Protections and LED Display
Equipped with comprehensive safeguards including overload, short-circuit, reverse polarity, over-current, and over-temperature protection, plus a full-color LED display for real-time voltage, status, and mode monitoring, ensuring safe, user-friendly operation in any emergency situation.
What’s in the Box
- 1 × PrimeTrip VJ1 jump starter unit
- 1 × Set of smart jumper clamps / booster cables
- 1 × USB-C charging cable
- 1 × Set of inflation accessories / nozzles
- 1 × Wire clip or storage clip
- 1 × English user manual / instruction guide
FAQs
Does it need to be charged before use?
No — it uses supercapacitor technology and self-charges in minutes directly from the vehicle’s weak battery when connected. No pre-charging or maintenance required; it’s always ready as long as the donor battery has some residual power.
What engines can it jump-start?
It delivers 1200A peak (600A starting) current for 12V vehicles, reliably starting up to ~4.0L gasoline or ~2.5L diesel engines (cars, SUVs, motorcycles, light trucks). Works well in extreme cold where traditional lithium starters often struggle.
How does the self-charging work?
Connect the clamps to the dead battery — it harvests energy from the weak battery to charge the supercapacitors in just a few minutes (often 3–5 minutes), then starts the engine instantly. Unlimited starts possible without external power.
Can it be used as a power bank or inflator?
Yes — includes a ~3000mAh / ~7800mAh equivalent power bank (USB output for phones/tablets) and 150 PSI air compressor with auto-stop and digital display for tires, bikes, balls, etc. Also has a bright LED flashlight.
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