1. Introduzione
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. Importanti istruzioni di sicurezza
To ensure safe operation and prevent damage to the charger or battery, observe the following safety precautions:
- Leggere sempre l'intero manuale di istruzioni prima di utilizzare il caricabatterie.
- Assicurare un'adeguata ventilazione durante la ricarica per evitare l'accumulo di calore.
- Avoid short-circuiting the charging clamps.
- The charger is equipped with reverse polarity protection; however, always connect the red (+) clamp to the positive (+) terminal and the black (-) clamp al terminale negativo (-).
- Disconnect the charger from the mains power before connecting or disconnecting the battery clamps.
- Non esporre il caricabatterie a pioggia o umidità eccessiva.
- Tenere fuori dalla portata dei bambini.
- Non tentare di caricare batterie non ricaricabili.
3. Prodotto finitoview
The GYSFLASH 30.12 PL is a high-power, auto-sensing battery support unit with advanced features for various battery types and applications.
Caratteristiche principali:
- Double Technology: Compatible with both 12V lead-acid (GEL, AGM, liquid, calcium) and lithium iron phosphate (LiFePO4) batteries.
- Uscita ad alta potenza: 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.
- Modalità Showroom: Provides a stable power supply of up to 30A for maintaining battery charge in exhibited vehicles or during diagnostic procedures.
- Modalità di fornitura: 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.
- Backup della memoria: 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.
- Basso volumetage Ricarica: 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. Configurazione e connessione
4.1 Disimballaggio
Carefully unpack the GYSFLASH 30.12 PL charger and inspect for any visible damage. Retain the packaging for future storage or transport.
4.2 Collegamento alla batteria
- Ensure the charger's power cord is disconnected from the mains power outlet.
- Collegare il rosso (+) ricarica clamp in modo sicuro al positivo (+) terminale della batteria.
- Collegare il Nero (-) ricarica clamp in modo sicuro al negativo (-) terminale della batteria.
- Verify that both connections are firm and free from corrosion.
4.3 Collegamento alla rete elettrica
Una volta che la batteria 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. Istruzioni per l'uso
5.1 Ricarica automatica
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 Selezione della modalità
Utilizzare il "MODALITÀ" 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 Modalità Showroom
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 Modalità di fornitura
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. Processo di ricarica
- 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.
- Premere il tasto "MODALITÀ" 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.
- Quindi, scollegare il cl nero (-)amp dalla batteria, seguito dal cl rosso (+)amp.
7. Manutenzione
- Mantenere il caricabatterie pulito e asciutto. Pulire il casing con un morbido, damp stoffa. Non utilizzare prodotti chimici aggressivi o abrasivi.
- Store the charger in a cool, dry place when not in use, away from direct sunlight and extreme temperatures.
- Do not attempt to open the charger casing or perform any internal repairs. Refer all servicing to qualified personnel.
- Ispezionare regolarmente i cavi di ricarica e i clamps for any signs of damage, wear, or corrosion. Replace damaged components immediately.
8. Risoluzione Dei Problemi
If you encounter issues with your GYSFLASH 30.12 PL, refer to the table below for common problems and solutions.
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il caricabatterie non si accende | No mains power; Faulty power cord/outlet | Controllare il collegamento elettrico; provare una presa diversa; ispezionare il cavo di alimentazione per verificare che non sia danneggiato. |
| La ricarica non si avvia | Collegamento errato della batteria (polarità inversa); Vol. batteriatage too low; Incorrect mode selected | Verify correct polarity; Ensure secure connections; Select correct battery type and current. |
| La spia di errore è accesa | Internal fault; Battery fault; Overheating | Disconnect charger from mains and battery, then reconnect; Allow charger to cool down; If problem persists, contact support. |
| Il caricabatterie si surriscalda | Normal operation; Insufficient ventilation; Overload | Ensure adequate ventilation around the charger; Reduce charging current if possible. |
9. Specifiche tecniche
| Specificazione | Valore |
|---|---|
| Marca | GYS |
| Numero di modello | 29668 |
| Ingresso volumetage | 230V AC, 50 / 60Hz |
| Volume di uscitatage | 12 Volt (CC) |
| Corrente di carica | 7A, 15A, 30A |
| Tipi di batterie compatibili | 12V Lead-Acid (GEL, AGM, Liquid, Calcium), 12V LiFePO4 |
| Lead-Acid Battery Capacity | Da 15 Ah a 375 Ah |
| LiFePO4 Battery Capacity | Da 7 Ah a 375 Ah |
| Dimensioni del prodotto (LxWxH) | Dimensioni: 7.3 x 19 x 19 cm |
| Peso dell'articolo | 2.21 kg |
| Standard di sicurezza | CE |
10. Garanzia e supporto
The GYSFLASH 30.12 PL is covered by a Garanzia locale di 2 anno. 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 websito.





