Jump starter Lokithor J401X 2500A 20000mAh powerbank for vehicle battery starting

Lokithor J401X is a combined jump starter and 20000mAh powerbank that provides up to 2500A peak current for starting 12 V vehicle batteries. With a 74 Wh lithium‑polymer battery and support for high‑power charging, it is designed for roadside assistance and portable power needs. The unit also integrates an LED torch with SOS, strobe and constant modes.

Advantages

The Lokithor J401X delivers a high 2500A starting current suitable for petrol engines up to 8.5 L and diesel engines up to 6.5 L. It offers multiple output ports including USB‑C (up to 100 W), DC (60 W) and USB‑A (18 W) for fast charging of laptops, phones and other devices. The device combines jump‑starting capability, a 74 Wh lithium‑polymer powerbank and an LED light in a single compact unit that operates in temperatures from −40°C to 50°C.

Suitable for

• Starting 12 V vehicle batteries (cars, vans, SUVs, motorbikes)
• Boats, campervans, quads, tractors and lawnmowers
• Charging laptops, smartphones and USB devices while travelling
• Emergency roadside assistance and travel backup power

Key specifications

• Manufacturer: Lokithor
• Model: J401X
• Voltage: 12 V
• Battery type: Lithium‑polymer
• Capacity: 74 Wh (approx. 20000 mAh equivalent)
• Peak current: 2500 A
• Light source: LED (SOS, strobe, constant)
• Operating temperature: −40°C to 50°C
• Interfaces and output power: USB‑C up to 100 W, DC 60 W, USB‑A 18 W

How to use

Charge the jump starter fully using the USB‑C input before first use. To start a vehicle, connect the clamps to the device and then to the vehicle battery following the polarity markings. Power on the unit and attempt to start the engine. After successful start, disconnect clamps in reverse order. Use the USB‑C, DC or USB‑A ports to charge external devices; select the appropriate cable and connect the device to be charged. Use the LED torch functions by switching through the modes when illumination is needed.

Recommendations

Keep the Lokithor J401X charged during long trips and store it in a dry place. Check clamp connections and vehicle polarity before attempting to jump‑start. Do not use the device if the housing or cables are damaged. Follow the user manual included in the package for safety instructions and proper maintenance.