1. Introducció
Thank you for choosing the JFA Power Supply and Charger. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
1.1 Informació de seguretat
- Connecteu sempre la font d'alimentació a una presa de corrent amb connexió a terra.
- No exposeu el dispositiu a la humitat ni a temperatures extremes.
- Assegureu-vos una ventilació adequada per evitar el sobreescalfament.
- Desconnecteu l'alimentació abans de realitzar qualsevol manteniment o neteja.
- No intenteu obrir ni reparar la unitat vosaltres mateixos. Demaneu ajuda a personal de servei qualificat.
2. Producte acabatview
The JFA Power Supply and Charger is designed to provide stable power and efficiently charge batteries. It features an intelligent charging system (SCI) to optimize battery life and performance.
2.1 Components

- Pantalla digital: Mostra el volum en temps realtage or current readings.
- VoltagLEDs indicadors: Indicate the current voltage nivell.
- Current Indicator LEDs: Indicate the current amperage.
- Reading Mode Selector: Button to switch between voltage and current display.
- Operation Mode Selector: Button to select different operating modes or charging profiles.
- Charge Indicator LEDs: Show the battery's charge status (e.g., 15%, 50%, 80%, Full).
- Ventilador de refrigeració: Located on the side for thermal management.
- Terminals de sortida: Connectors for power output and battery charging.

3. Instruccions de configuració
3.1 Desembalatge
Carefully remove the JFA Power Supply and Charger from its packaging. Inspect the unit for any signs of damage during transit. If damage is found, do not use the device and contact customer support.
3.2 Col·locació
Place the unit on a stable, flat surface in a well-ventilated area. Ensure there is sufficient space around the cooling fan for unrestricted airflow. Avoid placing it near heat sources or in direct sunlight.
3.3 Connexió a l'alimentació
- Assegureu-vos que la font d'alimentació estigui apagada.
- Connect the AC power cord to the power supply unit.
- Plug the other end of the AC power cord into a standard, grounded electrical outlet.
3.4 Connecting to Battery/Load
- Identify the positive (+) and negative (-) output terminals on the JFA Power Supply and Charger.
- Connect the positive (+) cable from your battery or load to the red (+) terminal on the power supply.
- Connect the negative (-) cable from your battery or load to the black (-) terminal on the power supply.
- Assegureu-vos que totes les connexions siguin segures i que no tinguin curtcircuits.
4. Instruccions de funcionament
4.1 Engegada/apagada
- To power on, flip the main power switch to the "ON" position. The digital display and indicator LEDs will illuminate.
- To power off, flip the main power switch to the "OFF" position.
4.2 Displaying Voltage i Actual
Utilitza el Reading Mode Selector button on the control panel to toggle between displaying the output voltage and the output current on the digital display. The corresponding indicator LED (Tensão for Voltage, Corrente for Current) will light up to show the active display mode.
4.3 Càrrega d'una bateria
- Ensure the battery is correctly connected to the output terminals as described in Section 3.4.
- Engegueu la unitat.
- Select the appropriate charging mode using the Selector de mode de funcionament button. Refer to the device's specific charging profiles if available (e.g., "Auto SCI 14.4V").
- Monitoritzar el LED indicadors de càrrega to track the battery's charging progress (15%, 50%, 80%). The "Bateria Carregada" (Battery Charged) LED will illuminate when charging is complete.
- Once fully charged, you may disconnect the battery or leave it connected for maintenance charging if the unit supports it.
5. Manteniment
5.1 Neteja
Before cleaning, ensure the unit is powered off and disconnected from the AC outlet and any connected batteries/loads. Use a soft, dry cloth to wipe the exterior of the unit. Do not use liquid cleaners or solvents, as they may damage the finish or internal components. Keep the cooling fan vents clear of dust and debris.
5.2 Emmagatzematge
When not in use for extended periods, store the power supply in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure it is disconnected from all power sources.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén. | No AC power; Power switch off; Faulty power cord. | Check AC outlet and power cord connection; Ensure power switch is ON; Try a different power cord. |
| Sense sortida voltage / actual. | Incorrect connections; Overload protection activated. | Verify positive and negative connections; Reduce load or disconnect battery, then restart the unit. |
| La bateria no es carrega. | Battery deeply discharged; Incorrect charging mode; Faulty battery. | Allow more time for charging; Select appropriate charging mode; Test battery with another charger or replace if necessary. |
| Sobreescalfament de la unitat. | Ventilació bloquejada; Càrrega excessiva. | Ensure cooling fan vents are clear; Reduce connected load. |
7. Especificacions
| Característica | Detall |
|---|---|
| Marca | JFA |
| Número de model | 7898554804334 |
| Pes de l'article | 5.57 lliures |
| Dimensions del producte (LxWxH) | 15.75 x 7.87 x 7.87 polzades |
| Color | Negre |
| Fabricant | JFA ELECTRÒNICA |
| ASIN | B07YN8LG3R |
8. Garantia i Suport
For warranty information or technical support, please refer to the documentation included with your purchase or visit the official JFA weblloc web. Conserveu el comprovant de compra per a reclamacions de garantia.
Nota: Els termes i condicions específics de la garantia poden variar segons la regió i el distribuïdor.





