Telwin Defender 20 Electronic Battery Charger and Maintainer User Manual
تعارف
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.
حفاظت جي ڄاڻ
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.
- چارجر کي سٺي هوادار علائقي ۾ هلايو.
- منجمد بيٽرين کي چارج ڪرڻ کان پاسو ڪريو.
- 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.
- ٻارن جي پهچ کان پري رکو.
- 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.
پيداوار ختمview
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.
اهم خاصيتون:
- Automatic Tronic Charging and Maintenance: Ensures optimal battery health without overcharging.
- ورسٽائل بيٽري مطابقت: Suitable for WET, GEL, AGM, MF, PbCa, and EFB batteries.
- ٻٽي حجمtagاي سپورٽ: 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 ڊسپلي: Provides clear real-time charging status and information.
- Weatherproof ڊيزائن: Resistant to dust, humidity, and water for enhanced durability.
- مربوط تحفظات: Safeguards against overload, short circuit, and reverse polarity.

تصوير 2: ويجهو تصوير view of the Telwin Defender 20's LCD display, showing voltage and battery status indicators.
سيٽ اپ ڪريو
- پيڪنگ کولڻ: Carefully remove the charger and all accessories from the packaging. Inspect for any signs of damage.
- Connection to Battery:
- Connectنيو positiveاڙھو مثبت (+) ڪلamp بيٽري جي مثبت (+) ٽرمينل ڏانهن.
- negativeنيو ڪارو منفي (-) ڪلamp to the negative (-) terminal of the battery. If the battery is installed in a vehicle, connect the negative clamp گاڏي جي چيسس ڏانهن بيٽري ۽ ايندھن جي لائن کان پري.
- پڪ ڪريو ته ڪنيڪشن محفوظ آهن.
- Connection to Mains Power: Plug the charger's power cord into a suitable electrical outlet (230V AC, 50/60Hz). The LCD display will illuminate.
آپريٽنگ هدايتون
The Telwin Defender 20 offers automatic charging and maintenance. Follow these steps to begin operation:
- پاور آن: After connecting to the battery and mains power, the charger will automatically power on and display the current battery voltage.
- چارجنگ موڊ چونڊيو: 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).
- موٽر سائيڪل موڊ: For smaller 12V batteries, typically found in motorcycles.
- ڪار موڊ: 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.
- خودڪار چارج: 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.
- سار سنڀال جو طريقو: Upon completion of the charging cycle, the device automatically switches to maintenance mode, keeping the battery at optimal charge without overcharging.
- ڪنيڪشن: To disconnect, first unplug the charger from the mains power outlet, then remove the negative (-) clamp, followed by the positive (+) clamp.
سار سنڀال
To ensure the longevity and optimal performance of your Telwin Defender 20, follow these maintenance guidelines:
- صفائي: 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.
- اسٽوريج: جڏهن چارجر استعمال ۾ نه هجي ته ان کي ٿڌي ۽ سڪل جاءِ تي رکو. پڪ ڪريو ته ڪيبل صاف طور تي ڪنڊ ٿيل آهن ۽ نه ٽٽل آهن.
- ڪيبل جي چڪاس: وقتي طور تي پاور ڪنڊ ۽ بيٽري ڪليئرنگ جو معائنو ڪريوamps for any signs of damage, wear, or corrosion. Replace damaged components immediately.
- وينٽيليشن: Ensure the charger's ventilation openings are clear of dust and debris to prevent overheating.
مشڪلاتون
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| چارجر آن نٿو ٿئي. | No mains power; faulty outlet; damaged power cord. | Check mains power supply and outlet. Inspect power cord for damage. |
| چارج شروع نه ٿيو. | 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. | بيٽري چيڪ ڪريو 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. |
وضاحتون
| خاصيت | تفصيل |
|---|---|
| برانڊ | ٽيلون |
| ماڊل نمبر | 807608 |
| انٽ واليمtage | 12 Volts (AC input not specified, assuming standard mains for charger) |
| اوٽ وولٽtage | 12V / 24V |
| مطابقت رکندڙ بيٽري جا قسم | WET, GEL, AGM, MF, PbCa, EFB |
| خاص افعال | COLD function for low temperatures, Automatic Tronic charge/maintenance |
| ڏيکاريو | ايل سي ڊي |
| حفاظتي خاصيتون | Overload, Short Circuit, Reverse Polarity |
| ماحولياتي مزاحمت | Dust, Humidity, Water resistant |
| پيداوار جي ماپ | 5.8P x 11l x 20.1H centimeters (Depth x Width x Height) |
وارنٽي ۽ سپورٽ
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official Telwin webسائيٽ. وارنٽي دعوائن لاءِ خريداري جو ثبوت رکو.





