1. Introducció
Thank you for choosing the FERVE F-2908 Lead-Acid Battery Charger. This device is designed for charging and maintaining 12V and 24V lead-acid batteries with capacities between 24 Ah and 95 Ah. Please read this manual carefully before use to ensure safe and efficient operation.

Imatge 1: Frontal view of the FERVE F-2908 Lead-Acid Battery Charger with attached battery clamps.
2. Instruccions de seguretat
Observeu sempre les següents precaucions de seguretat per evitar lesions o danys al carregador o a la bateria:
- Llegeix tot el manual: Before operating the charger, read and understand all instructions.
- Ventilació: Assegureu-vos que hi hagi una ventilació adequada quan carregueu les bateries. Les bateries poden produir gasos explosius.
- Protecció ocular i cutània: Wear appropriate eye protection and protective clothing when working with batteries.
- Evitar les espurnes: No fumeu ni permeteu espurnes o flames a prop de la bateria o del carregador.
- Vol correctetage: Ensure the charger's output voltage matches the battery's voltage (12V o 24V).
- Ordre de connexió: Connect the output clampals terminals de la bateria abans de connectar el carregador a la xarxa elèctrica. Desconnecteu-lo en ordre invers.
- Bateries danyades: Do not attempt to charge frozen or visibly damaged batteries.
- Ús interior: This charger is designed for indoor use only. Do not expose to rain or moisture.
- Nens i animals de companyia: Mantingueu el carregador i la bateria fora de l'abast dels nens i les mascotes.
3. Característiques del producte
- Càrrega versàtil: Supports 12V and 24V lead-acid batteries.
- Interval de capacitat: Suitable for batteries with capacities between 24 Ah and 95 Ah.
- Selectable Current: Offers 4A and 8A charging current options.
- Voltímetre digital: Integrated digital voltmeter with 0.1V resolution for charge status indication.
- Construcció robusta: Features a durable metal housing.
- Compatibilitat del tipus de bateria: Compatible with WET, GEL, AGM, and Start/Stop batteries.

Image 2: The FERVE F-2908 charger indicating compatibility with WET, GEL, AGM, and Start/Stop battery types.
4. Configuració
- Col·locació: Place the charger on a stable, dry, and well-ventilated surface.
- Preparació de la bateria: If charging a liquid (WET) battery, check the electrolyte level and top up with distilled water if necessary. Ensure battery terminals are clean.
- Connect Positive Clamp: Connect the red (+) charger clamp al terminal positiu (+) de la bateria.
- Connect Negative Clamp: Connect the black (-) charger clamp al terminal negatiu (-) de la bateria.
- Connexió d'alimentació: Plug the charger's power cord into a suitable 230V AC mains outlet.

Image 3: A user connecting the FERVE F-2908 charger to a car battery under the hood of a vehicle.
5. Instruccions de funcionament
After connecting the charger to the battery and mains power:
- Seleccioneu Voltage: Utilitza el 12V/24V switch on the front panel to select the correct voltage for your battery. The digital display will show the current battery voltage.
- Select Current: Utilitza el 4A/8A switch to select the desired charging current. For smaller batteries or slower charging, select 4A. For larger batteries or faster charging, select 8A.
- Select Mode (Automatic/Manual): The charger offers both automatic and manual charging modes.
- Mode automàtic: Recommended for most charging scenarios. The charger will automatically detect the battery type (GEL/LIQ) and adjust the charging process. It will stop charging when the battery is full and switch to maintenance mode.
- Mode manual: Use with caution and only when necessary, for example, with deeply discharged batteries that automatic mode cannot detect. Monitor the charging process closely in manual mode to prevent overcharging.
- Comença a carregar: Once settings are selected, the charger will begin the charging process. The digital display will show the charging voltage.
- Seguiment: Periodically check the digital voltmeter to monitor the battery's voltage durant la càrrega.
- Finalització: In automatic mode, the charger will indicate when charging is complete and switch to a maintenance charge.
- Desconnexió: To disconnect, first unplug the charger from the mains power, then disconnect the black (-) clamp, seguit del cl vermell (+)amp de la bateria.

Image 4: The FERVE F-2908 charger connected to a car battery, illustrating its charging and maintenance capabilities, including automatic and manual modes.
6. Manteniment
- Neteja: Disconnect the charger from power before cleaning. Wipe the exterior with a soft, dry cloth. Do not use solvents or abrasive cleaners.
- Inspecció del cable: Regularly inspect the power cord and charging cables for any signs of damage. Do not use if cables are frayed or damaged.
- Emmagatzematge: Store the charger in a cool, dry place when not in use, away from direct sunlight and moisture.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El carregador no s'encén. | No power from mains outlet; faulty power cord; charger internal fault. | Check mains outlet with another appliance. Inspect power cord for damage. If problem persists, contact support. |
| El carregador no carrega la bateria. | Vol incorrectetage selected; poor connection to battery terminals; deeply discharged battery; faulty battery. | Ensure correct 12V/24V setting. Clean and secure battery clamp connections. Try manual mode for deeply discharged batteries (with caution). Test battery condition. |
| El carregador s'escalfa durant el funcionament. | Normal operation; insufficient ventilation; overcurrent. | Some heat is normal. Ensure charger is in a well-ventilated area. If excessively hot, disconnect and contact support. |
8. Especificacions
| Característica | Detall |
|---|---|
| Marca | FERVE |
| Model | F-2908 |
| Entrada Voltage | 230V CA, 50 / 60Hz |
| Vol. De sortidatage | 12 V CC / 24 V CC |
| Corrent de càrrega | 4A/8A |
| Capacitat de la bateria | 24 Ah - 95 Ah |
| Tipus de bateries compatibles | Lead-acid (WET, GEL, AGM, Start/Stop) |
| Dimensions (L x A x A) | 19.5D x 23.5W x 14H cm (approx.) |
| Pes de l'article | 4.9 quilos |
| Compliment | CE |
| GTIN | 08412473129089 |
9. Garantia i Suport
The FERVE F-2908 Lead-Acid Battery Charger comes with a 3 any de garantia des de la data de compra. Aquesta garantia cobreix defectes de fabricació i defectes de materials en condicions d'ús normal.
For technical support, warranty claims, or further assistance, please contact your retailer or the FERVE customer service department. Please have your proof of purchase and product model number (F-2908) ready when contacting support.