1. Introducció
The FOXSUR 12V 5Amp Automatic Battery Charger & Maintainer is designed for charging, maintaining, and repairing various lead-acid batteries, including Wet, MF, GEL, VRLA, Flooded, and AGM (EFB) types, for vehicles such as cars, motorcycles, and lawnmowers. This intelligent charger features an LCD screen for real-time data display and multiple protection mechanisms to ensure safe and efficient battery management.

Figure 1: FOXSUR 12V 5Amp Car Battery Charger and Maintainer.
2. Informació i advertències de seguretat
Please read all safety instructions carefully before using the charger. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Do not charge lithium batteries with this device. This charger is specifically designed for lead-acid batteries.
- Sempre turn off the power source before connecting or disconnecting the charger to the battery.
- This charger cannot activate a completely dead battery or repair a battery that is severely damaged. It also cannot restore a battery to 100% new condition if it has significant degradation.
- Ensure proper ventilation during charging to prevent gas accumulation.
- Keep the charger away from water, moisture, and flammable materials.
- No feu servir el carregador si s'ha caigut o s'ha fet malbé.
- Mantenir fora de l'abast dels nens.
3. Producte acabatview
The FOXSUR battery charger features an intelligent digital display and multiple built-in protections for safe and effective operation.
3.1. Intelligent Digital Display
The LCD screen provides real-time information about the charging process, including charge voltage, charge current, inside temperature, and battery status (e.g., "FUL" for fully charged). It also indicates specific modes like Winter Mode and Summer Mode.

Figure 2: LCD Backlit Digital Screen features.
3.2. Multiple Protection Features
The charger incorporates several safety features to protect both the device and the battery:
- Protecció contra sobreintensitat: Evita els danys causats per un corrent excessiu.
- Sobrevoltage Protecció: Mesures de salvaguarda contra el voltage pics.
- Protecció inversa: Protects against incorrect polarity connection.
- Protecció contra curtcircuits: Evita danys per curtcircuits.
- Protecció contra el sobreescalfament: S'apaga si la temperatura interna supera els límits de seguretat.

Figure 3: Built-in protection features.
4. Configuració i connexió
Before connecting the charger, ensure your battery parameters are compatible with the charger's specifications (12V, 4-100Ah).
- Connecteu el Cl vermellamp: Enganxeu el cl vermellamp to the positive pole (+) of the battery.
- Connecteu el Black Clamp: Enganxeu el cl negreamp to the negative pole (-) of the battery.
- Connecteu-vos a l'alimentació de CA: Plug the charger into a standard AC power source (100-240V AC, 50-60Hz). The charger will automatically begin operation.

Figure 4: Step-by-step connection guide.
5. Instruccions de funcionament
Once connected to the battery and power source, the charger will automatically detect the battery type and condition, then initiate the charging process.
- The LCD screen will display charging status, including current voltage i corrent.
- When the battery is fully charged, the battery bar on the screen will show "FUL" status.
- It is highly recommended to keep the charger connected for an additional 1-2 hours after "FUL" status is displayed to ensure optimal maintenance charge.
- After charging is complete, disconnect the charger from the AC power source first, then remove the clamps de la bateria.
5.1. Estimated Charging Times
The charging time varies depending on the battery's capacity and its initial state of charge. Below is an approximate guide:

Figure 5: Approximate Charging Times by Battery Capacity.
6. Manteniment
Proper maintenance ensures the longevity and optimal performance of your FOXSUR battery charger.
- Neteja: Disconnect the charger from all power sources and batteries before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use abrasive cleaners or solvents.
- Emmagatzematge: Store the charger in a cool, dry place when not in use. Keep it away from direct sunlight, excessive heat, and moisture.
- Inspecció del cable: Periodically inspect the power cord and charging cables for any signs of damage, such as cuts, fraying, or exposed wires. Do not use the charger if cables are damaged.
7. Solució De Problemes
Si teniu problemes amb el carregador de bateries FOXSUR, consulteu els problemes i solucions més comuns següents:
| Problema | Causa possible | Solució |
|---|---|---|
| El carregador no s'encén/no hi ha pantalla. | No AC power, loose connection, faulty outlet. | Check power outlet, ensure charger is securely plugged in. |
| El carregador no carrega la bateria. | Incorrect battery connection (reverse polarity), battery too low/damaged, incompatible battery type. | Verify correct positive/negative connections. Note that the charger cannot activate completely dead or severely damaged batteries, nor can it charge lithium batteries. |
| "Fault" indicator on display. | Internal error, short circuit, or severe battery issue. | Disconnect charger, check battery and connections. If fault persists, contact support. |
| Charger feels hot. | Normal operation (some heat is expected), poor ventilation, over-heat protection engaged. | Ensure adequate ventilation around the charger. The device has built-in over-heat protection. |
8. Especificacions
| Característica | Detall |
|---|---|
| Entrada Voltage | 100-240V CA, 50-60Hz |
| Sortida nominal | 12V DC, 5-6A Max. |
| Volum inicial mínimtage | 8.0 V |
| Gamma de bateria | 4-100Ah |
| Protecció tèrmica | 55 °C +/- 5 °C |
| Compatibilitat de tipus de bateria | All SLA batteries (Wet, MF, GEL, VRLA and Flooded), AGM (EFB) |
| Dimensions del producte | 5.91 x 3.35 x 2.36 polzades |
| Pes de l'article | 1.03 lliures |
| Model | TBC1205D |
9. Garantia i Suport
FOXSUR stands behind the quality of its products. If you have any questions, concerns, or require technical assistance regarding your battery charger, please contact our customer support team via email. Refer to the product packaging or the seller's information for specific contact details.