1. Introduktion
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. Sikkerhedsinstruktioner
Læs alle sikkerhedsadvarsler og instruktioner, før du bruger dette produkt. Manglende overholdelse af disse instruktioner kan resultere i elektrisk stød, brand og/eller alvorlig personskade.
- Øjenbeskyttelse: Always wear appropriate eye protection (safety glasses) when working with batteries.
- Ventilation: Sørg for tilstrækkelig ventilation ved arbejde i lukkede rum.
- Brandfarlige materialer: Keep the jump starter away from flammable materials, fuel, and other combustible liquids.
- Børn og kæledyr: Hold enheden utilgængeligt for børn og kæledyr.
- Polaritet: Tilslut altid clamps to the correct battery terminals (red to positive, black to negative). Reverse polarity can cause damage to the device and vehicle.
- Beskadiget enhed: Do not operate the jump starter if it is damaged, dropped, or malfunctioning. Contact customer support.
- Opladning: Only use the provided charger to recharge the unit.
- Vandeksponering: Udsæt ikke enheden for regn eller våde forhold.
- Temperatur: Do not store or operate the unit in extreme temperatures.
3. Pakkens indhold
Bekræft at alle varer er til stede i din pakke:
- GYS Nomad Power Pro 24 XL Jump Starter Unit
- Heavy-Duty Jump Start Clamps (Rød og Sort)
- USB-C til USB-A opladerkabel
- 12V biloplader
- 100-240V AC Charger
- Beskyttende bæretaske

The reverse side of the carrying case details the product's multi-functionality and lists all included accessories.
4. Produktfunktioner
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.
- Integreret 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 skærm: Provides clear display of battery status and operational information.
- Avancerede sikkerhedsforanstaltninger: Includes protection against short circuits, reverse polarity, over-discharge, over-charge, and overheating.
- Bærbart design: 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. Opsætning
5.1 Indledende opladning
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.
- Når den er fuldt opladet, skal du frakoble opladeren.
5.2 Kontrol af batteriniveau
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. Betjeningsvejledning
6.1 Jump Starting a 24V Vehicle
Ensure the Nomad Power Pro 24 XL is sufficiently charged before attempting a jump start.
- Turn Off Vehicle: Sørg for, at bilens tænding er slukket, og at alt tilbehør (lys, radio osv.) er slukket.
- Tilslut Rød Clamp: Tilslut rød (positiv, +) clamp til positiv (+) polen på køretøjets batteri.
- Tilslut Sort Clamp: Tilslut sort (negativ, -) clamp til negativ (-) terminal of the vehicle's battery. Alternatively, connect the black clamp til en solid, umalet metaldel af køretøjets chassis, væk fra batteriet og brændstofslangerne.
- Turn On Jump Starter: Switch the main ON/OFF button on the Nomad Power Pro 24 XL to the 'ON' position.
- Start køretøj: 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.
- Afbryd Clamps: Når køretøjet starter, skal du straks afbryde stikket sort (-) clamp først, derefter rød (+) clamp.
- Turn Off Jump Starter: 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 for vehicle jump-starting.
6.2 Brug som powerbank
The Nomad Power Pro 24 XL can charge various electronic devices.
- USB-udgang: Connect your device's USB charging cable to one of the two USB output ports (5V/2.1A).
- 12V udgang: 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 Brug af LED Lamp
Den integrerede LED lamp provides illumination in three modes.
- Press the dedicated light button to cycle through the modes: On (constant light), Strobe, SOS, and Off.
- Lamp is useful for roadside emergencies, working in dark environments, or as a signaling device.
7. Vedligeholdelse
7.1 Recharging the Unit
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 Opbevaring
- Store the unit in its protective carrying case in a cool, dry place, away from direct sunlight and extreme temperatures.
- Sørg for, at enheden er slukket, før den opbevares.
7.3 Rengøring
- Tør enheden af med en blød, tør klud.
- Brug ikke hårde kemikalier eller slibende rengøringsmidler.
- Behold clamper ren og fri for korrosion.
8. Fejlfinding
If you encounter issues with your Nomad Power Pro 24 XL, refer to the following common problems and solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Køretøjet starter ikke | Lav opladning på jumpstarter Forkert klamp forbindelse Vehicle battery severely discharged Vehicle issue (not battery related) | Recharge the jump starter fully Tjek klamp 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 |
| Jumpstarteren oplader ikke | Oplader ikke korrekt tilsluttet Defekt oplader eller stikkontakt Unit's internal battery issue | Sørg for, at opladeren er korrekt tilsluttet enheden og stikkontakten Try a different outlet or charger Kontakt kundesupport |
| USB/12V output not working | Enheden er slukket Device cable is faulty Device requires more power than available | Tænd for hovedafbryderen Prøv et andet kabel eller en anden enhed Check device power requirements |
| Error indicator on LCD | Omvendt polaritet Kortslutning Overtemperatur | Afbryd clamps 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. Specifikationer
| Feature | Specifikation |
|---|---|
| Modelnummer | 025905 |
| Mærke | gys |
| Batteritype | Lithium-ion |
| Batterikapacitet | 8 Ah (236.8 Wh) |
| Voltage | 24 volt |
| Startaktuel | 1400 A |
| Spidsstrøm | 3000 A |
| USB-udgang 1 | 5V / 2.1A |
| USB-udgang 2 | 5V / 2.1A |
| 12V udgang | 12V / 3.5A |
| Opladningsindgang | 18V / 2A |
| Produktmål (L x B x H) | 28 x 28 x 11 cm |
| Varens vægt | 5.16 kilo |
| Type køretøjstjeneste | Bus, lastbil |
10. Garanti og support
For warranty information, please refer to the documentation provided with your purchase or visit the official GYS webwebsted. Gem din købsbevis til garantikrav.
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 webwebsted eller i produktemballagen.