Telwin Defender 20 elektronisk batterioplader og vedligeholdelsesbrugermanual
Indledning
This manual provides essential instructions for the safe and effective operation of your Telwin Defender 20 electronic battery charger and maintainer. Please read this manual thoroughly before using the device to ensure proper function and to prevent damage or injury. Keep this manual for future reference.
Sikkerhedsoplysninger
Always observe the following safety precautions when operating the Telwin Defender 20:
- Ensure the charger is disconnected from the mains power supply before making or breaking connections to the battery.
- Brug opladeren i et godt ventileret område.
- Undgå at oplade frosne batterier.
- Do not expose the charger to rain or excessive moisture, despite its water resistance.
- Wear appropriate personal protective equipment, including eye protection and gloves, when working with batteries.
- Opbevares utilgængeligt for børn.
- The charger is designed for 12V/24V lead-acid batteries (WET, GEL, AGM, MF, PbCa, EFB). Do not use it for other battery types.
- Protect against short circuits and reverse polarity. The device includes built-in protections.
Produkt overview
The Telwin Defender 20 is an advanced electronic battery charger and maintainer designed for a wide range of 12V and 24V lead-acid batteries. It features an intuitive LCD display and specific programs for various battery types and conditions.

Image 1: Telwin Defender 20 Electronic Battery Charger and Maintainer with included battery clamps.
Nøglefunktioner:
- Automatic Tronic Charging and Maintenance: Ensures optimal battery health without overcharging.
- Alsidig batterikompatibilitet: Suitable for WET, GEL, AGM, MF, PbCa, and EFB batteries.
- Dual Voltage Support: Charges both 12V and 24V batteries.
- Specific Charging Programs: Dedicated modes for motorcycles and cars.
- COLD Function: Optimized charging and maintenance for batteries in low-temperature environments.
- LCD-skærm: Provides clear real-time charging status and information.
- Vejrbestandigt design: Resistant to dust, humidity, and water for enhanced durability.
- Integrerede beskyttelser: Safeguards against overload, short circuit, and reverse polarity.

Billede 2: Nærbillede view of the Telwin Defender 20's LCD display, showing voltage and battery status indicators.
Opsætning
- Udpakning: Carefully remove the charger and all accessories from the packaging. Inspect for any signs of damage.
- Connection to Battery:
- Tilslut den røde positive (+) clamp til den positive (+) pol på batteriet.
- Tilslut den sorte negative (-) clamp to the negative (-) terminal of the battery. If the battery is installed in a vehicle, connect the negative clamp til køretøjets chassis væk fra batteriet og brændstofledningen.
- Sørg for, at forbindelserne er sikre.
- Connection to Mains Power: Plug the charger's power cord into a suitable electrical outlet (230V AC, 50/60Hz). The LCD display will illuminate.
Betjeningsvejledning
The Telwin Defender 20 offers automatic charging and maintenance. Follow these steps to begin operation:
- Tænd: After connecting to the battery and mains power, the charger will automatically power on and display the current battery voltage.
- Vælg opladningstilstand: Press the "MODE" button (typically a circular button below the LCD display) to cycle through the available charging programs. The display will indicate the selected mode (e.g., motorcycle, car, COLD).
- Motorcykel tilstand: For smaller 12V batteries, typically found in motorcycles.
- Biltilstand: For standard 12V or 24V car batteries.
- COLD Function: Activate this mode when charging batteries in ambient temperatures below 5°C (41°F) for optimized performance.
- Automatisk opladning: Once a mode is selected, the charger will automatically detect the battery type and voltage (12V or 24V) and begin the charging process. The LCD display will show charging progress and status.
- Vedligeholdelsestilstand: Upon completion of the charging cycle, the device automatically switches to maintenance mode, keeping the battery at optimal charge without overcharging.
- Afbrydelse: To disconnect, first unplug the charger from the mains power outlet, then remove the negative (-) clamp, efterfulgt af den positive (+) clamp.
Opretholdelse
To ensure the longevity and optimal performance of your Telwin Defender 20, follow these maintenance guidelines:
- Rensning: Disconnect the charger from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use abrasive cleaners or solvents.
- Opbevaring: Opbevar opladeren et køligt og tørt sted, når den ikke er i brug. Sørg for, at kablerne er pænt oprullede og ikke bøjede.
- Kabelinspektion: Kontrollér jævnligt strømkablet og batteriklemmen.amps for any signs of damage, wear, or corrosion. Replace damaged components immediately.
- Ventilation: Ensure the charger's ventilation openings are clear of dust and debris to prevent overheating.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Opladeren tænder ikke. | No mains power; faulty outlet; damaged power cord. | Check mains power supply and outlet. Inspect power cord for damage. |
| Opladning starter ikke. | Incorrect battery connection; battery deeply discharged; incorrect mode selected. | Verify positive and negative connections. Ensure battery voltage is within charger's range. Select appropriate charging mode. |
| Error message on LCD. | Reverse polarity; short circuit; internal fault. | Tjek batteri clamp connections for reverse polarity. Disconnect and reconnect. If error persists, contact support. |
| Charger gets hot. | Normal operation during charging; poor ventilation. | Some heat is normal. Ensure adequate ventilation around the charger. If excessively hot, disconnect and allow to cool. |
Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Telwin |
| Modelnummer | 807608 |
| Input bindtage | 12 Volts (AC input not specified, assuming standard mains for charger) |
| Udgang Voltage | 12V / 24V |
| Kompatible batterityper | WET, GEL, AGM, MF, PbCa, EFB |
| Særlige funktioner | COLD function for low temperatures, Automatic Tronic charge/maintenance |
| Vise | LCD |
| Beskyttelsesfunktioner | Overload, Short Circuit, Reverse Polarity |
| Miljømodstand | Dust, Humidity, Water resistant |
| Produktdimensioner | 5.8P x 11l x 20.1H centimeters (Depth x Width x Height) |
Garanti og support
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Telwin webwebsted. Gem din købsbevis til garantikrav.





