1. Introduktion
Welcome to the user manual for the GYSFLASH 30.12 PL, a versatile smart charger designed for 12V lead-acid and lithium iron phosphate (LiFePO4) batteries. This manual provides essential information for safe and effective operation, setup, and maintenance of your charger. Please read this manual thoroughly before using the device.
2. Vigtige sikkerhedsinstruktioner
To ensure safe operation and prevent damage to the charger or battery, observe the following safety precautions:
- Always read the entire instruction manual before operating the charger.
- Ensure adequate ventilation during charging to prevent heat buildup.
- Avoid short-circuiting the charging clamps.
- The charger is equipped with reverse polarity protection; however, always connect the red (+) clamp til den positive (+) terminal og den sorte (-) terminalamp til den negative (-) terminal.
- Disconnect the charger from the mains power before connecting or disconnecting the battery clamps.
- Udsæt ikke opladeren for regn eller overdreven fugt.
- Opbevares utilgængeligt for børn.
- Forsøg ikke at oplade ikke-genopladelige batterier.
3. Produktet er slutview
The GYSFLASH 30.12 PL is a high-power, auto-sensing battery support unit with advanced features for various battery types and applications.
Nøglefunktioner:
- Double Technology: Compatible with both 12V lead-acid (GEL, AGM, liquid, calcium) and lithium iron phosphate (LiFePO4) batteries.
- Høj effekt: Delivers a continuous 30 A at 100% duty cycle (40°C).
- Three Charging Currents: Selectable charging currents of 7 A, 15 A, and 30 A to match battery capacity.
- Showroom Mode: Provides a stable power supply of up to 30A for maintaining battery charge in exhibited vehicles or during diagnostic procedures.
- Forsyningstilstand: Offers a stable on-board power supply, useful for maintaining vehicle electronics during battery changes or software updates.
- Wide Battery Capacity Range: Charges 12V lead-acid batteries from 15 Ah to 375 Ah and LiFePO4 batteries from 7 Ah to 375 Ah.
- Hukommelse backup: Retains vehicle memory information during battery removal.
- Optimized Battery Retention: Can remain connected to the battery during hibernation with an auto-restart function in case of power failure.
- Lav voltage Opladning: Capable of initiating charging for batteries as low as 2 V.

Figure 1: Front panel of the GYSFLASH 30.12 PL charger, displaying mode selection, battery type indicators, and charging current options.
4. Opsætning og tilslutning
4.1 Udpakning
Carefully unpack the GYSFLASH 30.12 PL charger and inspect for any visible damage. Retain the packaging for future storage or transport.
4.2 Tilslutning til batteriet
- Ensure the charger's power cord is disconnected from the mains power outlet.
- Tilslut rød (+) opladning clamp sikkert til positiv (+) terminalen på batteriet.
- Tilslut sort (-) opladning clamp sikkert til negativ (-) terminalen på batteriet.
- Verify that both connections are firm and free from corrosion.
4.3 Tilslutning til strømnettet
Når batteriet clamps are securely connected, plug the charger's power cord into a suitable 230V AC, 50/60Hz power outlet.

Figure 2: GYSFLASH 30.12 PL connected to a vehicle battery for charging or support.
5. Betjeningsvejledning
5.1 Automatisk opladning
The GYSFLASH 30.12 PL features an integrated temperature sensor that automatically adjusts charging parameters based on the ambient temperature, optimizing charging efficiency and battery life.
5.2 Valg af tilstand
Brug "MODE" button on the charger's front panel to select the appropriate charging program for your battery type:
- Pb (Lead-Acid): Select this mode for 12V lead-acid batteries, including GEL, AGM, liquid, and calcium types. Suitable for capacities from 15 Ah to 375 Ah.
- LiFePO4 (Lithium Iron Phosphate): Select this mode for 12V lithium iron phosphate batteries. Suitable for capacities from 7 Ah to 375 Ah.
5.3 Charging Current Selection
After selecting the battery type, choose one of the three available charging currents (7 A, 15 A, or 30 A) based on the battery's capacity and desired charging speed. Higher currents charge faster but should be appropriate for the battery's specifications.
5.4 Showroom-tilstand
This mode is designed to provide a stable power supply of up to 30A. It is ideal for maintaining the battery charge in vehicles displayed in showrooms or during diagnostic procedures, preventing battery drain without overcharging.
5.5 Forsyningstilstand
The Supply Mode provides a stable on-board power supply to the vehicle's electrical system. This is particularly useful for maintaining power to vehicle electronics when the battery is being changed or during software updates, preventing loss of settings or data.
6. Opladningsproces
- Connect the charger to the battery terminals, ensuring correct polarity (red to positive, black to negative).
- Plug the charger's power cord into a mains power outlet.
- Tryk på "MODE" button to select the appropriate battery type (Pb for lead-acid or LiFePO4 for lithium).
- Select the desired charging current (7 A, 15 A, or 30 A) based on your battery's requirements.
- The charger will automatically begin the charging cycle. Monitor the progress indicators on the display.
- Once the charging cycle is complete, first disconnect the charger from the mains power outlet.
- Frakobl derefter den sorte (-) kabelamp fra batteriet, efterfulgt af den røde (+) kl.amp.
7. Vedligeholdelse
- Hold opladeren ren og tør. Tør casing med en blød, damp klæde. Brug ikke skrappe kemikalier eller slibemidler.
- Store the charger in a cool, dry place when not in use, away from direct sunlight and extreme temperatures.
- Forsøg ikke at åbne opladeren casing or perform any internal repairs. Refer all servicing to qualified personnel.
- Kontrollér regelmæssigt ladekablerne og clampKontroller for tegn på skader, slid eller korrosion. Udskift beskadigede komponenter med det samme.
8. Fejlfinding
If you encounter issues with your GYSFLASH 30.12 PL, refer to the table below for common problems and solutions.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Opladeren tænder ikke | No mains power; Faulty power cord/outlet | Kontroller strømforbindelsen; Prøv en anden stikkontakt; Undersøg netledningen for skader. |
| Opladning starter ikke | Incorrect battery connection (reverse polarity); Battery voltage too low; Incorrect mode selected | Verify correct polarity; Ensure secure connections; Select correct battery type and current. |
| Fejlindikatorlampen lyser | Internal fault; Battery fault; Overheating | Disconnect charger from mains and battery, then reconnect; Allow charger to cool down; If problem persists, contact support. |
| Opladeren bliver varm | Normal operation; Insufficient ventilation; Overload | Ensure adequate ventilation around the charger; Reduce charging current if possible. |
9. Tekniske specifikationer
| Specifikation | Værdi |
|---|---|
| Mærke | gys |
| Modelnummer | 29668 |
| Input bindtage | 230V AC, 50/60Hz |
| Udgang Voltage | 12 volt (DC) |
| Ladestrøm | 7A, 15A, 30A |
| Kompatible batterityper | 12V Lead-Acid (GEL, AGM, Liquid, Calcium), 12V LiFePO4 |
| Lead-Acid Battery Capacity | 15 Ah til 375 Ah |
| LiFePO4 Battery Capacity | 7 Ah til 375 Ah |
| Produktmål (LxBxH) | 7.3 x 19 x 19 cm |
| Varens vægt | 2.21 kg |
| Sikkerhedsstandarder | CE |
10. Garanti og support
The GYSFLASH 30.12 PL is covered by a 2 års lokal garanti. For technical assistance, warranty claims, or service inquiries, please contact your authorized GYS dealer or the official GYS support center. Please retain your proof of purchase for warranty validation.
For additional information and resources, please visit the official GYS webwebsted.





