1. Introdução
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. Instruções importantes de segurança
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 to the positive (+) terminal and the black (-) clamp ao terminal negativo (-).
- Disconnect the charger from the mains power before connecting or disconnecting the battery clamps.
- Não exponha o carregador à chuva ou umidade excessiva.
- Mantenha fora do alcance de crianças.
- Não tente carregar baterias não recarregáveis.
3. Produto acabadoview
The GYSFLASH 30.12 PL is a high-power, auto-sensing battery support unit with advanced features for various battery types and applications.
Principais características:
- Double Technology: Compatible with both 12V lead-acid (GEL, AGM, liquid, calcium) and lithium iron phosphate (LiFePO4) batteries.
- Saída de alta potência: 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.
- Modo de exibição: Provides a stable power supply of up to 30A for maintaining battery charge in exhibited vehicles or during diagnostic procedures.
- Modo de fornecimento: 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 de memória: 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.
- Volume baixotage Carregamento: 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. Configuração e conexão
4.1 Desembalagem
Carefully unpack the GYSFLASH 30.12 PL charger and inspect for any visible damage. Retain the packaging for future storage or transport.
4.2 Conectando à bateria
- Ensure the charger's power cord is disconnected from the mains power outlet.
- Conecte o vermelho (+) carregando clamp com segurança para o positivo (+) terminal da bateria.
- Conecte o Preto (-) carregando clamp com segurança para o negativo (-) terminal da bateria.
- Verify that both connections are firm and free from corrosion.
4.3 Ligação à rede elétrica
Uma vez que a bateria 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. Instruções de operação
5.1 Carregamento automático
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.
Seleção de 5.2 modos
Use o "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 Seleção da corrente de carga
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 Mode
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 Modo de fornecimento
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 de carregamento
- 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.
- Pressione o "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.
- Em seguida, desconecte o fio preto (-)amp da bateria, seguida pelo polo vermelho (+)amp.
7. Manutenção
- Mantenha o carregador limpo e seco. Limpe o cabo de alimentação.asing com um suave, damp pano. Não use produtos químicos agressivos ou abrasivos.
- Quando não estiver em uso, guarde o carregador em local fresco e seco, longe da luz solar direta e de temperaturas extremas.
- Não tente abrir o carregador.asing or perform any internal repairs. Refer all servicing to qualified personnel.
- Inspecione regularmente os cabos de carregamento e as conexões.ampVerifique se há sinais de danos, desgaste ou corrosão. Substitua os componentes danificados imediatamente.
8. Solução De Problemas
If you encounter issues with your GYSFLASH 30.12 PL, refer to the table below for common problems and solutions.
| Problema | Possível causa | Solução |
|---|---|---|
| O carregador não liga. | No mains power; Faulty power cord/outlet | Check power connection; Try a different outlet; Inspect power cord for damage. |
| O carregamento não inicia | Conexão incorreta da bateria (polaridade invertida); Volume da bateriatage too low; Incorrect mode selected | Verify correct polarity; Ensure secure connections; Select correct battery type and current. |
| A luz indicadora de erro está acesa. | Internal fault; Battery fault; Overheating | Disconnect charger from mains and battery, then reconnect; Allow charger to cool down; If problem persists, contact support. |
| O carregador esquenta | Normal operation; Insufficient ventilation; Overload | Ensure adequate ventilation around the charger; Reduce charging current if possible. |
9. Especificações técnicas
| Especificação | Valor |
|---|---|
| Marca | GYS |
| Número do modelo | 29668 |
| Vol de entradatage | 230V AC, 50 / 60Hz |
| Volume de saídatage | 12 Volts (CC) |
| Corrente de carga | 7A, 15A, 30A |
| Tipos de bateria compatíveis | 12V Lead-Acid (GEL, AGM, Liquid, Calcium), 12V LiFePO4 |
| Lead-Acid Battery Capacity | 15Ah a 375Ah |
| LiFePO4 Battery Capacity | 7Ah a 375Ah |
| Dimensões do produto (CxLxA) | 7.3 x 19 x 19 cm |
| Peso do item | 2.21 kg |
| Normas de segurança | CE |
10. Garantia e Suporte
The GYSFLASH 30.12 PL is covered by a Garantia local de 2 ano. 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 website.