1. Pengenalan
This user manual provides essential information for the safe and efficient operation of your Qoltec 51758 Mains & Inverter Adapter. This power adapter is designed to provide reliable power to compatible HP notebooks, featuring advanced protection mechanisms against overvoltage, overload, short circuit, and overheating. Please read this manual thoroughly before using the product to ensure proper functionality and longevity.
2. Arahan Keselamatan
To prevent injury or damage to your device, always follow these safety precautions:
- Do not expose the adapter to water, moisture, or high humidity.
- Jangan buka, ubah suai atau cuba membaiki penyesuai. Rujuk semua servis kepada kakitangan yang berkelayakan.
- Pastikan voltan salur keluar kuasatage is compatible with the adapter's specifications.
- Avoid placing the adapter in direct sunlight or near heat sources.
- Do not use the adapter if the cable or connector is damaged.
- Jauhkan daripada kanak-kanak.
- Cabut plag penyesuai daripada salur keluar kuasa apabila tidak digunakan untuk tempoh yang lama.
3. Produk Lebihview
The Qoltec 51758 adapter is a compact and efficient power solution. It includes the main adapter unit and various interchangeable tips to ensure compatibility with a range of HP notebooks.

Rajah 3.1: Depan view of the Qoltec 51758 power adapter showing the main unit and three common interchangeable tips.

Rajah 3.2: Belakang view of the Qoltec 51758 power adapter, highlighting the AC input port and the three interchangeable tips.
The adapter features a robust design with a standard AC input port and a DC output cable that connects to the interchangeable tips. These tips ensure a secure and correct fit for various HP notebook models.
4. Persediaan
- Kenal pasti Petua yang Betul: Select the interchangeable tip that matches the power input port of your HP notebook. Ensure it fits snugly and securely.
- Connect the Tip: Attach the selected tip to the DC output cable of the Qoltec 51758 adapter.
- Sambungkan ke Buku Nota: Insert the connected tip into the power input port of your HP notebook.
- Sambung ke Alur Kuasa: Plug the AC input cable of the adapter into a standard wall power outlet.
- Sahkan Sambungan: Confirm that the power indicator light (if present on your notebook or adapter) illuminates, indicating a successful power connection.
5. Beroperasi
Once properly set up, the Qoltec 51758 adapter operates automatically to provide power to your connected HP notebook. It will charge the notebook's battery and/or power the notebook directly.
- mengecas: When connected, the adapter will charge your notebook's battery until it reaches full capacity.
- Direct Power: The adapter can also power your notebook directly, even if the battery is fully charged or removed (if supported by the notebook).
- Ciri-ciri perlindungan: The adapter is equipped with built-in protections against overvoltage, overload, short circuit, and overheating. In case of an anomaly, the adapter may temporarily cease operation to protect itself and the connected device. Disconnect and reconnect to reset if this occurs.
6. Penyelenggaraan
Penyelenggaraan yang betul memastikan jangka hayat dan prestasi optimum penyesuai anda.
- Pembersihan: Putuskan sambungan penyesuai daripada semua sumber kuasa dan peranti sebelum membersihkan. Gunakan kain lembut dan kering untuk mengelap permukaan. Jangan gunakan pembersih cecair atau aerosol.
- Storan: When not in use, store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly winding the cables to prevent damage.
- Penjagaan Kabel: Regularly inspect the power cables and connectors for any signs of wear, cuts, or damage. Replace if necessary.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Penyesuai tidak membekalkan kuasa. | No power from outlet; loose connection; damaged cable/adapter. | Check outlet with another device. Ensure all connections are secure. Inspect cables for damage. |
| Notebook not charging. | Incorrect tip used; notebook power port issue; adapter fault. | Verify the correct tip is used and fully inserted. Test with another compatible adapter if possible. |
| Penyesuai terasa panas. | Normal operation under load; poor ventilation; overload. | Ensure adequate ventilation around the adapter. If excessively hot, disconnect and allow to cool. Reduce load if possible. |
If the problem persists after attempting these solutions, please contact Qoltec customer support.
8. Spesifikasi
| Ciri | Perincian |
|---|---|
| Jenama | Qoltec |
| Model | 51758 |
| Wattage | 65 watt |
| Dimensi Produk | 2.79 x 24.64 x 16.51 cm |
| Berat Barang | 214 Gram |
| Peranti Serasi | HP Notebooks |
| Ciri-ciri Perlindungan | Overvoltage, Overload, Short Circuit, Overheat Protection |
| Jenis Penyambung | Interchangeable DC Power Tips |
| Teknologi Ketersambungan | Wired Power Adapter |
| Tarikh Mula-mula Tersedia | 29 April 2022 |
Catatan: Spesifikasi boleh berubah tanpa notis.
9. Waranti dan Sokongan
Qoltec products are manufactured to high quality standards. For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official Qoltec webtapak.
For technical support, troubleshooting assistance, or inquiries about replacement parts, please contact Qoltec customer service through their official channels. Have your product model number (51758) and purchase details ready when contacting support.
Qoltec Official Webtapak: www.qoltec.com (Nota: Ini ialah pemegang tempat URL, please refer to actual Qoltec webtapak untuk sokongan.)





