1. Introdução
This manual provides detailed instructions for the safe and effective use of your FOXSUR 12V/24V 6Amp Full Automatic Intelligent Car Battery Charger/Maintainer. This versatile charger is designed to charge and maintain various battery types, including lithium batteries and most types of lead-acid batteries (Calcium, GEL, AGM, Wet, EFB, etc.). It features a 7-stage charging process for comprehensive battery protection and an intelligent digital display for monitoring charging status.

Image 1.1: The FOXSUR 12V/24V 6Amp Intelligent Car Battery Charger with its display and connection cables.
2. Informações de segurança
Please read and understand all safety warnings and instructions before operating the charger. Failure to do so may result in electric shock, fire, or serious injury.
- Desconecte a energia: Always turn off the power source before connecting or disconnecting the charger to the battery.
- Proteção contra polaridade: The charger features polarity protection. Ensure correct connection of the red clip to the battery positive (+) terminal and the black clip to the battery negative (-) terminal.
- Ventilação: Ensure adequate ventilation during charging, especially for lead-acid batteries, as they can produce explosive gases.
- Condição da bateria: This charger cannot activate a completely dead battery or repair a severely damaged battery. It also cannot restore a battery to 100% new condition if it has significant degradation.
- Recursos de proteção: The charger is equipped with built-in circuit protection against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits, and overheating.
- Uso interno: Use the charger in a dry, well-ventilated area. Avoid exposure to rain or moisture.

Image 2.1: Visual representation of the charger's multiple protection features, including over-current, over-voltage, reverse polarity, short-circuit, and over-heat protection.
3. Recursos do Produto
The FOXSUR Intelligent Car Battery Charger offers advanced features for efficient and safe battery charging and maintenance:
- 7-Stage Carregamento: Provides a comprehensive charging process to optimize battery life and performance.
- Carregamento Automático: Automatically protects your battery from overcharging, allowing the charger to remain connected indefinitely.
- Função de reparo: Features a pulse repair function that can help restore drained and sulfated batteries, extending their lifespan.
- Display digital inteligente: Clearly shows charging voltage, charging current, battery charge level, and internal temperature.
- Switchmode Technology: Utilizes advanced switchmode technology for efficient power conversion.
- Ampla compatibilidade: Compatible with lithium batteries and most types of lead-acid batteries, including Calcium, GEL, AGM, Wet, and EFB.
- Ventilador silencioso: Equipped with a heat dissipation silent fan for effective cooling during operation.

Image 3.1: The FOXSUR charger highlighting its heat dissipation silent fan, designed for efficient cooling.
4. Configuração
Follow these steps to set up your FOXSUR battery charger:
- Prepare a bateria: Certifique-se de que os terminais da bateria estejam limpos e livres de corrosão.
- Connect Clips: Conecte o vermelho positive (+) clip of the charger to the positive (+) terminal of the battery. Connect the preto negative (-) clip of the charger to the negative (-) terminal of the battery.
- Conectar à energia: Ligue o cabo de alimentação do carregador a uma tomada elétrica adequada.
- Exibição inicial: The charger's intelligent digital display will illuminate, showing the current battery voltage and other information.

Image 4.1: The FOXSUR charger connected to a car battery, demonstrating proper setup in an engine compartment.
5. Instruções de operação
Once connected, the charger will automatically detect the battery type and begin the charging process. You can also manually select modes.
Seleção de 5.1 modos
Press the 'MODE' button on the charger to cycle through the available charging modes:
- Lítio: For lithium batteries.
- Lead-Acid: For standard lead-acid batteries (Wet, EFB).
- GEL/AGM: For GEL and AGM lead-acid batteries.
- Reparar: For desulfation and reconditioning of deeply discharged or sulfated lead-acid batteries.

Image 5.1: The FOXSUR charger's display, highlighting the 'MODE' button for selecting charging programs.
5.2 Processo de carregamento
The charger employs a 7-stage automatic charging process:
- Dessulfatação: Removes sulfates from the battery plates.
- Partida suave: Gradually introduces current to the battery.
- Carga em massa: Carrega a bateria até aproximadamente 80% da sua capacidade.
- Absorção: Charges the battery to 100% capacity at a decreasincorrente g.
- Teste de bateria: Checks if the battery can hold a charge.
- Recondicionar: Applies a higher voltage to recondition deeply discharged batteries (if needed).
- Float/Maintenance: Maintains the battery at full charge without overcharging.

Image 5.2: The FOXSUR charger demonstrating its multi-function charging capability for both lithium and 12V motorcycle batteries.
6. Manutenção
To ensure the longevity and optimal performance of your FOXSUR charger:
- Limpeza: Mantenha o carregador limpo e livre de poeira e detritos. Use um pano seco para a limpeza.
- Armazenar: Guarde o carregador em local fresco e seco quando não estiver em uso.
- Inspeção de cabos: Regularly inspect the charging cables and clips for any signs of damage or wear.
- Película protetora: The screen of the FOXSUR car battery charger is covered with a protective film. Remove this film for a clearer display.
7. Solução De Problemas
Se você tiver problemas com seu carregador, consulte os problemas e soluções comuns a seguir:
| Problema | Possível causa | Solução |
|---|---|---|
| O carregador não liga. | No power to the outlet; loose connection; internal fault. | Verifique a tomada elétrica; certifique-se de que o cabo de alimentação esteja firmemente conectado. |
| Display shows error/no charge | Incorrect battery connection (reverse polarity); battery severely damaged/dead. | Verify correct positive/negative connections; note that the charger cannot activate a completely dead battery. |
| O carregador esquenta | Normal operation during charging; poor ventilation; excessive load. | Ensure adequate ventilation around the charger; the built-in fan should manage heat. If excessively hot, disconnect and allow to cool. |
| A bateria não está totalmente carregada | Battery capacity too large for charger; battery is old/damaged. | Refer to specifications for recommended battery capacities. Consider battery replacement if it's old or damaged. |
8. Especificações
Key technical specifications for the FOXSUR 12V/24V 6Amp Intelligent Car Battery Charger:
- Vol de entradatage: 100-240 V CA, 50-60 Hz
- Volume de saídatage: 12V / 24V DC (Auto-detection)
- Corrente de saída: 6 Amp (12 V), 3 Amp (24V)
- Tipos de Bateria: Lithium, Lead-Acid (Calcium, GEL, AGM, Wet, EFB)
- Carregando Stagé: 7-Stage Carregamento Automático
- Capacidade recomendada da bateria: 10AH to 120AH (up to 200AH for maintenance)
- Dimensões do produto: 6.3 x 3.94 x 2.44 polegadas (16 x 10 x 6.2 cm)
- Peso do item: 1.3 libras (0.59 kg)
- Cor: Vermelho

Image 8.1: A table illustrating recommended battery capacities (AH) for the FOXSUR charger.
9. Garantia e Suporte
FOXSUR is committed to providing high-quality products and customer service. While specific warranty details are not provided in this manual, we offer after-sales support for any questions or concerns you may have regarding your product.
For assistance, please contact FOXSUR customer service through the retailer's platform where you purchased the product.





