1. Johdanto
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 Turvallisuustiedot
- Liitä virtalähde aina maadoitettuun pistorasiaan.
- Älä altista laitetta kosteudelle tai äärilämpötiloille.
- Varmista riittävä ilmanvaihto ylikuumenemisen estämiseksi.
- Katkaise virta ennen minkään huollon tai puhdistuksen suorittamista.
- Älä yritä avata tai korjata laitetta itse. Ota yhteyttä pätevään huoltohenkilöstöön.
2. Tuote ohiview
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 Komponentit

- Digitaalinen näyttö: Näyttää reaaliaikaisen äänenvoimakkuudentage or current readings.
- Voitage Indicator LEDs: Indicate the current voltage taso.
- Current Indicator LEDs: Indicate the current ampkorotus.
- 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).
- Tuuletin: Located on the side for thermal management.
- Lähtöliittimet: Connectors for power output and battery charging.

3. Asennusohjeet
3.1 Pakkauksesta purkaminen
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 Sijoitus
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 Virran kytkeminen
- Varmista, että virta on katkaistu.
- 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.
- Varmista, että kaikki liitännät ovat kunnossa ja että niissä ei ole oikosulkuja.
4. Käyttöohjeet
4.1 Virran kytkeminen päälle/pois
- To power on, flip the main power switch to the "ON" position. The digital display and indicator LEDs will illuminate.
- Sammuta virta kääntämällä päävirtakytkin "OFF"-asentoon.
4.2 Displaying Voltage ja nykyinen
Käytä 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 Akun lataaminen
- Ensure the battery is correctly connected to the output terminals as described in Section 3.4.
- Kytke laitteeseen virta.
- Select the appropriate charging mode using the Toimintatilan valitsin button. Refer to the device's specific charging profiles if available (e.g., "Auto SCI 14.4V").
- Seuraa Latauksen merkkivalot 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. Huolto
5.1 Puhdistus
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 Varastointi
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. Vianmääritys
| Ongelma | Mahdollinen syy | Ratkaisu |
|---|---|---|
| Yksikkö ei käynnisty. | 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. |
| Ei lähtöä voltage/nykyinen. | Incorrect connections; Overload protection activated. | Verify positive and negative connections; Reduce load or disconnect battery, then restart the unit. |
| Akku ei lataudu. | 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. |
| Yksikön ylikuumeneminen. | Tukkeutunut ilmanvaihto; Liiallinen kuormitus. | Ensure cooling fan vents are clear; Reduce connected load. |
7. Tekniset tiedot
| Ominaisuus | Yksityiskohta |
|---|---|
| Merkki | JFA |
| Mallinumero | 7898554804334 |
| Tuotteen paino | 5.57 kiloa |
| Tuotteen mitat (PxLxK) | 15.75 x 7.87 x 7.87 tuumaa |
| Väri | Musta |
| Valmistaja | JFA ELECTRONICS |
| ASIN | B07YN8LG3R |
8. Takuu ja tuki
For warranty information or technical support, please refer to the documentation included with your purchase or visit the official JFA websivusto. Säilytä ostokuitti takuuvaatimuksia varten.
Huomautus: Takuuehdot voivat vaihdella alueittain ja jälleenmyyjiltä riippuen.