1. Inleiding
The GYS Nomad Power Pro 24 XL is a high-performance, portable lithium battery jump starter designed for 24V vehicles such as trucks and buses. This versatile device also functions as an autonomous power bank and features an integrated LED emergency lamp. It is equipped with multiple safety protections, including safeguards against short circuits and reverse polarity, ensuring secure operation.
This manual provides essential information for the safe and effective use, setup, operation, and maintenance of your Nomad Power Pro 24 XL.
2. Veiligheidsinstructies
Lees alle veiligheidswaarschuwingen en instructies voordat u dit product gebruikt. Het niet opvolgen van deze instructies kan leiden tot een elektrische schok, brand en/of ernstig letsel.
- Oogbescherming: Always wear appropriate eye protection (safety glasses) when working with batteries.
- Ventilatie: Zorg voor voldoende ventilatie wanneer u in besloten ruimten werkt.
- Brandbare materialen: Keep the jump starter away from flammable materials, fuel, and other combustible liquids.
- Kinderen en huisdieren: Houd het apparaat buiten bereik van kinderen en huisdieren.
- Polariteit: Sluit de cl altijd aan.amps to the correct battery terminals (red to positive, black to negative). Reverse polarity can cause damage to the device and vehicle.
- Beschadigde eenheid: Do not operate the jump starter if it is damaged, dropped, or malfunctioning. Contact customer support.
- Opladen: Only use the provided charger to recharge the unit.
- Blootstelling aan water: Stel het apparaat niet bloot aan regen of natte omstandigheden.
- Temperatuur: Do not store or operate the unit in extreme temperatures.
3. Inhoud van het pakket
Controleer of alle artikelen in uw pakket aanwezig zijn:
- GYS Nomad Power Pro 24 XL Jump Starter Unit
- Heavy-Duty Jump Start Clamps (Rood en Zwart)
- USB-C naar USB-A oplaadkabel
- 12V Autolader
- 100-240V AC Charger
- Beschermende draagtas

The reverse side of the carrying case details the product's multi-functionality and lists all included accessories.
4. Producteigenschappen
The GYS Nomad Power Pro 24 XL offers a range of features for automotive and portable power needs:
- 24V Jump Starting: Instantaneous starting for 24V vehicles, including trucks and construction machinery, with a starting current of 1400 A and a peak current of 3000 A.
- Geïntegreerde powerbank: Equipped with two USB ports (5V/2.1A) and one 12V/3.5A output port for charging electronic devices.
- LED Emergency Lamp: Features a powerful integrated LED light with multiple modes for emergency situations or working in low-light conditions.
- LCD-scherm: Provides clear display of battery status and operational information.
- Geavanceerde veiligheidsvoorzieningen: Includes protection against short circuits, reverse polarity, over-discharge, over-charge, and overheating.
- Draagbaar ontwerp: Compact and robust design with an integrated carrying handle for easy transport.

The control panel on top of the unit includes the main power switch, USB charging ports, and a 12V output.

The device features a powerful LED light, useful for emergency situations or working in low-light conditions.
5. Instellen
5.1 Eerste keer opladen
Before first use, fully charge the Nomad Power Pro 24 XL. This ensures optimal performance and battery longevity.
- Connect the provided AC charger to the unit's charging input (18V/2A).
- Plug the AC charger into a standard wall outlet (100-240V).
- The LCD screen will indicate the charging status. Charge until the display shows 100% or a full charge indicator.
- Zodra deze volledig is opgeladen, koppelt u de oplader los.
5.2 Batterijniveau controleren
Regularly check the internal battery level using the LCD screen to ensure the unit is ready for use, especially before jump-starting a vehicle.

The side of the unit features an LCD screen that displays important information such as battery charge level.
6. Gebruiksaanwijzing
6.1 Jump Starting a 24V Vehicle
Ensure the Nomad Power Pro 24 XL is sufficiently charged before attempting a jump start.
- Voertuig uitschakelen: Ensure the vehicle's ignition is off and all accessories (lights, radio, etc.) are turned off.
- Sluit rode Cl . aanamp: Sluit de rood (positive, +) clamp naar de positief (+) terminal of the vehicle's battery.
- Sluit zwarte Cl aanamp: Sluit de zwart (negative, -) clamp naar de negatief (-) terminal of the vehicle's battery. Alternatively, connect the black clamp to a solid, unpainted metal part of the vehicle's chassis, away from the battery and fuel lines.
- Turn On Jump Starter: Switch the main ON/OFF button on the Nomad Power Pro 24 XL to the 'ON' position.
- Start voertuig: Attempt to start the vehicle. If it does not start immediately, wait 30 seconds before trying again. Do not crank for more than 5 seconds per attempt.
- Ontkoppel Clamps: Zodra het voertuig start, koppelt u onmiddellijk de kabel los. zwart (-) clamp eerst, dan de rood (+) clamp.
- Schakel de starthulp uit: Switch the main ON/OFF button on the Nomad Power Pro 24 XL to the 'OFF' position.

The GYS Nomad Power Pro 24 XL unit, featuring its robust design and integrated battery clamps voor het starten van voertuigen met behulp van startkabels.
6.2 Gebruik als powerbank
The Nomad Power Pro 24 XL can charge various electronic devices.
- USB-uitgang: Connect your device's USB charging cable to one of the two USB output ports (5V/2.1A).
- 12V-uitgang: For devices requiring 12V power, connect them to the 12V/3.5A output port.
- Ensure the unit is powered on to activate the output ports.
6.3 Het gebruik van de LED Lamp
De geïntegreerde LED lamp provides illumination in three modes.
- Press the dedicated light button to cycle through the modes: On (constant light), Strobe, SOS, and Off.
- De lamp is useful for roadside emergencies, working in dark environments, or as a signaling device.
7. Onderhoud
7.1 Het apparaat opladen
To maintain optimal battery health and readiness, recharge the Nomad Power Pro 24 XL after each use, or at least every 3 months if not used regularly.
- Use only the provided AC charger or 12V car charger.
- Do not overcharge the unit; disconnect once fully charged.
7.2 Opslag
- Store the unit in its protective carrying case in a cool, dry place, away from direct sunlight and extreme temperatures.
- Zorg ervoor dat het apparaat is uitgeschakeld voordat u het opbergt.
7.3 Reinigen
- Veeg het apparaat af met een zachte, droge doek.
- Gebruik geen agressieve chemicaliën of schurende reinigingsmiddelen.
- Bewaar de klampis schoon en vrij van corrosie.
8. Probleemoplossing
If you encounter issues with your Nomad Power Pro 24 XL, refer to the following common problems and solutions:
| Probleem | Mogelijke oorzaak | Oplossing |
|---|---|---|
| Voertuig start niet | Low charge on jump starter Onjuiste klamp verbinding Vehicle battery severely discharged Vehicle issue (not battery related) | Recharge the jump starter fully Controleer clamp polarity and connection points Allow more time for the jump starter to provide charge (if applicable) or try again after a short pause Consult a mechanic |
| Startmotor laadt niet op | Oplader niet goed aangesloten Defecte oplader of stopcontact. Unit's internal battery issue | Ensure charger is securely plugged into unit and outlet Try a different outlet or charger Neem contact op met de klantenservice |
| USB/12V output not working | Eenheid is uit Device cable is faulty Device requires more power than available | Zet de hoofdschakelaar aan Probeer een andere kabel of een ander apparaat Check device power requirements |
| Error indicator on LCD | Omgekeerde polariteit Kortsluiting Te hoge temperatuur | Ontkoppel klamps and reconnect with correct polarity Check for any short circuits in the connection Allow unit to cool down before use |
If the problem persists after attempting these solutions, please contact GYS customer support.
9. Specificaties
| Functie | Specificatie |
|---|---|
| Modelnummer | 025905 |
| Merk | GYS |
| Batterijtype | Lithium-ion |
| Batterijcapaciteit | 8Ah (236.8Wh) |
| Deeltage | 24 Volt |
| Startstroom | 1400 Een |
| Piekstroom | 3000 Een |
| USB-uitgang 1 | 5V / 2.1A |
| USB-uitgang 2 | 5V / 2.1A |
| 12V-uitgang | 12V / 3.5A |
| Laadingang | 18V / 2A |
| Productafmetingen (L x B x H) | 28x28x11cm |
| Artikelgewicht | 5.16 kilogram |
| Type voertuigonderhoud | Bus, Truck |
10. Garantie en ondersteuning
For warranty information, please refer to the documentation provided with your purchase or visit the official GYS webwebsite. Bewaar uw aankoopbewijs voor garantieclaims.
If you require technical assistance, have questions about the product, or need to report an issue, please contact GYS customer support through their official channels. Contact details are typically available on the GYS webwebsite of in de productverpakking.





