1. Uvod
This manual provides essential instructions for the safe and effective use of your Telwin Defender 12 electronic battery charger and maintainer. The Defender 12 is designed for charging and maintaining 6V and 12V batteries, including WET, GEL, AGM, MF, PbCa, and EFB types. It features specific charging programs for motorcycles and cars, an advanced low-temperature charging function, and an intuitive LCD screen.
2. Sigurnosne informacije
Prije upotrebe ovog proizvoda pročitajte sva sigurnosna upozorenja i upute. Nepoštivanje ovih uputa može dovesti do strujnog udara, požara ili ozbiljnih ozljeda.
- ventilacija: Osigurajte odgovarajuću ventilaciju prilikom punjenja baterija. Baterije mogu proizvesti eksplozivne plinove.
- Zaštita očiju: Uvijek nosite zaštitu za oči i zaštitnu odjeću pri radu s baterijama.
- Zabranjeno pušenje/iskre: Ne pušite i ne dozvolite da varnice ili plamen budu u blizini baterije ili punjača.
- Isključite napajanje: Always disconnect the charger from the AC power outlet before making or breaking connections to the battery.
- Correct Voltage: Provjerite je li punjač postavljen na ispravnu jačinu zvukatage (6V ili 12V) za bateriju koja se puni.
- polaritet: Spojite pozitivni (+) clamp na pozitivni (+) terminal baterije i negativni (-) terminalamp to the negative (-) battery terminal. The Defender 12 includes protections against reverse polarity.
- Zaštita od preopterećenja: The unit is equipped with protection against overloads and short circuits.
- Otpornost na vodu: The charger is resistant to dust, humidity, and water, but avoid submerging it or exposing it to heavy rain.
3. Značajke proizvoda
The Telwin Defender 12 offers advanced features for efficient and safe battery charging and maintenance:
- Electronic battery charger and maintainer with LCD screen.
- Compatible with 6V/12V WET, GEL, AGM, MF, PbCa, EFB batteries.
- Specific charging programs for motorcycles and cars.
- Automatic charge and maintenance function (Tronic).
- Three selectable charging voltages.
- COLD function for optimized charging and maintenance at low temperatures.
- Resistant to dust, humidity, and water for enhanced durability.
- Integrated protections against overloads, short circuits, and reverse polarity.
- Supplied with a cable and battery clamps.

Slika 1: Prednja strana view of the Telwin Defender 12 charger.
4. Podešavanje
Follow these steps to set up your Telwin Defender 12 charger:
- Raspakirajte: Pažljivo izvadite punjač i svu dodatnu opremu iz ambalaže. Pregledajte da li ima oštećenja.
- pozicija: Place the charger on a stable, dry surface, ensuring good ventilation. Keep it away from flammable materials.
- Povežite se s baterijom:
- Povežite RED pozitivan (+) clamp na pozitivni (+) terminal baterije.
- Povežite BLACK negativni (-) clamp na negativni (-) terminal baterije.
- Osigurajte da su spojevi sigurni i bez korozije.
- Povežite se na napajanje: Plug the charger's AC power cord into a suitable 230V AC (or local equivalent) wall outlet. The charger will power on and the LCD screen will illuminate.

Figure 2: Telwin Defender 12 with battery clamps.
5. Uputstvo za upotrebu
Once connected, the Defender 12 will automatically detect the battery voltage (6V or 12V) and begin the charging process. You can select specific modes using the 'MODE' button.
- Automatsko otkrivanje: Upon connecting to the battery and power, the charger will automatically detect if it's a 6V or 12V battery and display the current voltage na LCD ekranu.
- Odabir načina rada: Pritisnite MODE button to cycle through the available charging programs:
- Motociklistički način rada: For smaller capacity batteries (e.g., motorcycle, scooter).
- Način rada automobila: For standard car batteries.
- HLADNA funkcija: Activate this mode for optimized charging and maintenance in low-temperature environments (below 5°C / 41°F). This function adjusts charging parameters to compensate for cold conditions.
- LCD ekran: LCD ekran pruža informacije u realnom vremenu:
- Voltage: Prikazuje trenutni volumen baterijetage.
- Ikona baterije: Indicates the charging status (e.g., empty, partially charged, full).
- Ikona načina: Shows the currently selected mode (e.g., motorcycle, car, snowflake for COLD).
- Proces punjenja: Punjač će automatski proći kroz svoje višenamjensketage charging cycle, including bulk charge, absorption, and float/maintenance. Once the battery is fully charged, the unit will switch to maintenance mode to keep the battery at optimal charge without overcharging.
- Isključivanje: To disconnect, first unplug the charger from the AC power outlet, then remove the negative (-) clamp from the battery, followed by the positive (+) clamp.

Figure 3: Close-up of the LCD display and MODE button.
6. Održavanje
Proper maintenance ensures the longevity and reliable operation of your Telwin Defender 12 charger.
- čišćenje: Prije čišćenja isključite punjač iz svih izvora napajanja. Obrišite vanjski dio mekom, suhom krpom.amp tkanina. Nemojte koristiti jake hemikalije ili abrazivna sredstva za čišćenje.
- Cable i Clamp inspekcija: Redovno provjeravajte kablove za punjenje iampProvjerite ima li znakova oštećenja, habanja ili korozije. Odmah zamijenite oštećene komponente.
- Skladištenje: Punjač čuvajte na hladnom i suhom mjestu kada se ne koristi. Držite ga dalje od direktne sunčeve svjetlosti, ekstremnih temperatura i vlage.
7. Otkrivanje problema
If you encounter issues with your Telwin Defender 12, refer to the following common problems and solutions:
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Charger does not power on / LCD is blank. | No AC power; Faulty power outlet; Damaged power cord. | Check AC power connection. Test the outlet with another device. Inspect power cord for damage. |
| Punjač je povezan, ali se ne puni. | Incorrect battery connection; Battery is severely discharged or damaged; Incorrect mode selected. | Ensure correct polarity (+ to +, - to -). Check battery voltage; if extremely low, it may not be recoverable. Select appropriate charging mode. |
| Poruka o grešci na LCD ekranu. | Obrnuti polaritet; Kratki spoj; Kvar baterije. | Isključite i ponovo spojite clamps with correct polarity. Check for short circuits in cables or battery. If error persists, the battery may be faulty. |
| Punjač se zagrijava tokom rada. | Normalan rad; Slaba ventilacija. | Some warmth is normal during charging. Ensure adequate ventilation around the charger. If it becomes excessively hot, disconnect immediately. |
For issues not listed here or if troubleshooting steps do not resolve the problem, please contact Telwin customer support.
8. Specifikacije
| Specifikacija | Detalj |
|---|---|
| Brand | Telwin |
| Broj modela | 807607 |
| Vrste baterija | WET, GEL, AGM, MF, PbCa, EFB |
| Battery Voltage | 6V / 12V |
| Programi punjenja | Motorcycle, Car, COLD Function |
| Display | LCD ekran |
| Zaštitne karakteristike | Overload, Short Circuit, Reverse Polarity |
| Otpornost na životnu sredinu | Dust, Humidity, Water Resistant |
| Uključena dodatna oprema | Kabel sa clamps |
| Proizvođač | Telwin |
| Zemlja porijekla | Kina |
9. Garancija i podrška
For information regarding the product warranty, please refer to the documentation included with your purchase or visit the official Telwin website. For technical support, spare parts, or service inquiries, please contact your authorized Telwin dealer or Telwin customer service directly.
Kontakt informacije: Refer to the Telwin official website or your purchase receipt for the most up-to-date contact details.





