1. Uvod
This manual provides essential information for the safe and efficient operation of your Powertech MB3904 8 Step Intelligent Lead Acid and Lithium Battery Charger. Please read this manual thoroughly before use and retain it for future reference.
2. Varnostne informacije
Vedno upoštevajte naslednje varnostne ukrepe:
- Preden priklopite ali prekinete povezave z baterijo, se prepričajte, da je polnilnik izklopljen iz električnega omrežja.
- Polnilnik uporabljajte samo v dobro prezračevanih prostorih.
- Izogibajte se polnjenju zamrznjenih baterij.
- Polnilnika ne izpostavljajte dežju ali prekomerni vlagi.
- Hraniti izven dosega otrok.
- This charger is designed for 6V or 12V Lead Acid or LiFePO4 batteries only. Do not use with other battery types.
3. Vsebina paketa
Preverite, ali so v paketu prisotni vsi elementi:
- Powertech MB3904 8 Step Intelligent Battery Charger Unit
- Baterija Clamp Priključki (rdeči in črni)
- Ring Terminal Connectors
- AC napajalni kabel
- Uporabniški priročnik (ta dokument)

Image: The Powertech MB3904 battery charger unit shown with its various included accessories, including battery clamps, ring terminals, and the AC power cord.
4. Značilnosti izdelka
The Powertech MB3904 charger offers advanced features for optimal battery maintenance:
- 8-stopenjski postopek polnjenja: Ensures thorough and efficient charging for various battery types.
- Večzvtage Združljivost: Suitable for both 6V and 12V lead acid and LiFePO4 batteries.
- Celovita zaščita: Includes overload, short circuit, reverse polarity, safety timer, and wrong battery protection.
- Intuitivni LED indikatorji: Clearly display charge status and selected mode.
- Gumb za izbiro načina: Allows easy switching between charging modes.

Slika: Pogled od zgoraj navzdol view of the Powertech MB3904 charger, highlighting the LED indicators for charge status and the 'MODE' button for selecting charging programs.
5. Nastavitev
- Umestitev: Place the charger on a stable, flat surface in a well-ventilated area, away from direct sunlight or heat sources.
- Priključek baterije: Ensure the battery terminals are clean. Connect the red (+) clamp/ring terminal to the positive (+) battery terminal and the black (-) clamp/ring terminal to the negative (-) battery terminal. Ensure a secure connection.
- Napajalni priključek: Plug the AC power cord into a suitable wall outlet. The charger will enter standby mode.
6. Navodila za uporabo
6.1. Izbira načina polnjenja
After connecting the battery and power, press the NAČIN button to cycle through the available charging programs. The corresponding LED will illuminate to indicate the selected mode:
- 12V 3.8A (Normal): Standard charging for 12V lead acid batteries.
- 12V 3.8A (Cold/AGM): For charging 12V lead acid batteries in cold conditions or AGM batteries.
- 12V 0.9A (Small): For charging smaller 12V lead acid batteries.
- 6V 3.8A: For charging 6V lead acid batteries.
- Lithium (12.8V/12V): For charging 12V LiFePO4 batteries.
- Popravilo: A special mode for desulfation of deeply discharged lead acid batteries.
6.2. Postopek polnjenja
Once a mode is selected, the charger will automatically begin the 8-step charging process. The progress LEDs (25%, 50%, 75%, 100%) will illuminate sequentially to indicate the battery's charge level. When the 100% LED is solid, the battery is fully charged.
6.3. Odklop polnilnika
- Izključite napajalni kabel iz stenske vtičnice.
- Odklopite črni (-) clamp/ring terminal from the negative (-) battery terminal.
- Odklopite rdeči (+) klamp/ring terminal from the positive (+) battery terminal.
7. Vzdrževanje
- Čiščenje: Očistite polnilnik casinz mehko, suho krpo. Ne uporabljajte abrazivnih čistil ali topil.
- Shranjevanje: Ko polnilnika ne uporabljate, ga hranite na hladnem in suhem mestu.
- Pregled kabla: Periodically inspect the power cord and battery cables for any signs of damage. Do not use the charger if cables are damaged.
8. Odpravljanje težav
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Polnilnik se ne vklopi. | Ni napajanja iz vtičnice; ohlapna povezava. | Preverite električno vtičnico; prepričajte se, da je napajalni kabel varno priključen. |
| Error LED illuminated. | Reverse polarity; short circuit; wrong battery type. | Check battery connections for correct polarity; inspect cables for shorts; ensure battery type matches selected mode. |
| Baterija se ne polni. | Battery deeply discharged/damaged; incorrect mode selected. | Try "Repair" mode for lead acid batteries; test battery with a multimeter; ensure correct charging mode is selected. |
9. Specifikacije
- Model: MB3904
- Vhodna voltage: 220-240V AC, 50/60Hz
- Izhodna voltage: 6 V / 12 V DC
- Polnilni tok: 0.9A / 3.8A
- Vrste baterij: Lead Acid (WET, MF, CA, EFB, GEL, AGM), LiFePO4
- Zaščita: Overload, Short Circuit, Reverse Polarity, Safety Timer, Wrong Battery
- Dimenzije: Približno 20.4 x 7.4 x 4.8 cm
- Teža: Približno 534 g
- Skladnost: CE
10. Garancija in podpora
This Powertech product is covered by a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or contact your retailer.
For technical support or service inquiries, please contact Jaycar Electronics customer service or visit their official webspletnega mesta. Shranite dokazilo o nakupu za uveljavljanje garancije.
Jaycar Electronics Webspletno mesto: www.jaycar.com.au





