1. Sarrera
This manual provides essential instructions for the safe and effective use of your FLYLINKTECH 4000A Portable Car Battery Jump Starter. Please read this manual thoroughly before operation and retain it for future reference. This device is designed to jump-start vehicles with dead or low-voltage batteries and can also function as a portable power bank and LED flashlight.
2. Zer dago kutxan
Egiaztatu paketea irekitzean elementu guztiak daudela:
- FLYLINKTECH CF900 Jump Starter Unit
- Smart Jumper kableak
- USB-C kargatzeko kablea
- Portable EVA Carrying Case
- Erabiltzailearen eskuliburua (dokumentu hau)

Image: Contents of the FLYLINKTECH CF900 package. This includes the jump starter unit, smart jumper cables, a USB-C charging cable, a portable EVA carrying case, and the user manual.
3. Produktuaren ezaugarriak
- High-Power Jump Starter: Delivers 4000A peak current, suitable for vehicles with up to 9.0L gas or 8.0L diesel engines. Capable of up to 30 jump starts on a single charge.
- Versatile Power Bank: Features an 18,000mAh battery capacity and dual USB ports, including Quick Charge 3.0, for charging various electronic devices. Maintains charge for up to 24 months when not in use.
- Multi-functional LED Flashlight: Equipped with a bright 600-lumen LED light offering standard, SOS, and strobe modes for emergencies. Provides up to 48 hours of continuous illumination.
- Segurtasun Ezaugarri hobetuak: Integrated smart protection system provides 10 layers of safety, including reverse polarity, over-current, and over-voltage protection. Ensures safe operation in extreme temperatures (-4°F to 140°F) and prevents sparks or incorrect connections.
- Diseinu iraunkorra eta eramangarria: Compact and lightweight (820g) with a rugged ABS exterior for protection against impacts and scratches.

Irudia: Xehetasun handikoa view of the FLYLINKTECH CF900 jump starter, highlighting the LED display, power button, LED flashlight, USB output ports (USB1 5V/2.4A, USB2 Quick Charge 3.0), jump start socket, and 5V/2A USB-C input port.
4. Konfigurazioa eta kargatzea
Before first use, fully charge the jump starter. It is recommended to recharge the unit every 3-6 months to maintain optimal battery health.
- Locate the USB-C input port on the jump starter.
- Konektatu emandako USB-C kargatzeko kablea abiarazlearen sarrera-atakara.
- Connect the other end of the USB-C cable to a 5V/2A USB wall adapter (not included) or a compatible USB charging port.
- The LCD display will show the charging progress. Charge until the display indicates 100%.

Image: The FLYLINKTECH jump starter functioning as a portable power bank, charging a smartphone and a tablet via its USB output ports. The image highlights the 18000mAh capacity and Quick Charge 3.0 feature.
5. Funtzionamendu-argibideak
5.1. Ibilgailu bat martxan jartzea
Ibilgailua martxan jartzen saiatu aurretik, ziurtatu abiarazlea gutxienez % 50ean kargatuta dagoela.
- Connect Smart Jumper Cables: Insert the blue plug of the smart jumper cables completely into the jump start socket on the jump starter unit. Ensure a secure connection. The indicator light on the smart clamp will flash green and red.
- Autoaren bateriara konektatu: Erantsi cl gorriaamp autoko bateriaren terminal positibora (+) eta cl beltzaraamp (-) terminal negatibora.
- Egiaztatu adierazle argia:
- Berde trinkoa: Connection is correct and safe. Proceed to start the vehicle.
- Solid Red with Beep: Reverse polarity detected. Disconnect clamps and re-attach correctly.
- Berde keinukaria: Bateria boltage is too low. Press the "BOOST" button on the smart clamp for 3 seconds until the light turns solid green. Start the vehicle within 30 seconds.
- No Light/No Beep: Check connections or if the car battery is severely damaged.
- Abiarazi ibilgailua: Adierazle-argia berde finko dagoenean, martxan jarri ibilgailuaren motorra.
- Kendu Clamps: As soon as the engine starts, remove the smart jumper cables from the car battery terminals first, then disconnect the blue plug from the jump starter unit.

Image: Easy operation guide for jump starting a car. Step 1: Insert the jump clamp into the booster. Step 2: Connect the clamps to the car battery. Step 3: Start your car. Step 4: Remove the clamps.

Image: Smart Clamps Protection. Icons represent various safety features including short circuit protection, reverse charge protection, over charge protection, reverse polarity protection, over discharge protection, over current protection, and high temperature protection.
5.2. Power Bank gisa erabiltzea
The jump starter can charge various USB-powered devices.
- Connect your device's USB charging cable to one of the USB output ports (USB1 or USB2 QC3.0) on the jump starter.
- Abiarazleak automatikoki hasiko da zure gailua kargatzen.
- The LCD display will show the remaining battery percentagjauzi hasierako e.
5.3. LED linterna erabiltzea
The built-in LED flashlight has three modes: standard, SOS, and strobe.
- Press and hold the "LED" button for 3 seconds to turn on the standard flashlight mode.
- Press the "LED" button again to cycle through the modes: Standard > SOS > Strobe.
- Press and hold the "LED" button for 3 seconds to turn off the flashlight.

Image: The built-in LED flashlight of the FLYLINKTECH jump starter, demonstrating its three modes: standard flashlight, SOS signal, and strobe light.
6. Mantentzea
- Store the jump starter in its portable EVA carrying case when not in use to protect it from dust and damage.
- Recharge the unit every 3-6 months, even if not used, to maintain battery health and extend its lifespan.
- Garbitu kanpoaldea zapi leun eta lehor batekin. Ez erabili produktu kimiko gogorrik edo garbitzaile urratzailerik.
- Keep the jump starter away from direct sunlight, heat sources, and moisture.
- Do not disassemble the unit. Servicing should only be performed by qualified personnel.
7. Arazoak
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Abiarazle elektrikoak ez du pizten. | Bateria guztiz deskargatuta dago. | Charge the jump starter fully using the provided USB-C cable. |
| Vehicle does not start after connecting. | Okerra clamp konexioa (polaritate alderantzizkoa). Abiarazlearen bateria baxuegia da. Ibilgailuaren bateria larriki kaltetuta. Smart clamp indicator not solid green. | Ziurtatu clampk behar bezala konektatuta daude (gorria +-ra, beltza --ra). Jarri jauziaren abiarazlea. Kontsultatu mekanikari profesional bati. Follow indicator light instructions in Section 5.1. If flashing green, use BOOST function. |
| Smart clamp indicator is solid red and beeping. | Alderantzizko polaritate konexioa. | Berehala deskonektatu clamps and re-attach correctly (red to +, black to -). |
| Flashlight does not work. | Bateria baxuegia dago. LED button not pressed correctly. | Jauzi abiarazlea kargatu. Press and hold the "LED" button for 3 seconds to activate. |
| Gailuak ez dira USB ataken bidez kargatzen. | Abiarazlearen bateria baxuegia da. Kable konexio arazoa. | Jauzi abiarazlea kargatu. Ensure USB cables are securely connected to both the jump starter and the device. Try a different cable. |
8. Zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Eredua | CF900 |
| Bateria Edukiera | 18000 mAh (66.6Wh) |
| Goiko Korronte | 4000A |
| Jauzi hasierako irteera | 12V |
| USB1 irteera | 5V/2.4A |
| USB2 Output (QC3.0) | 5V/2.4A, 9V/2A, 12V/1.5A |
| C motako sarrera | 5V/2A |
| Funtzionamendu-tenperatura | -20 °C eta 60 °C (-4 °F eta 140 °F) |
| Produktuaren neurriak | 19 cm x 9 cm x 4 cm (gutxi gorabehera) |
| Elementuaren pisua | 820 g |
| Motorra bateragarritasuna | Up to 9.0L Gas or 8.0L Diesel |
9. Bermea eta Laguntza
FLYLINKTECH provides the following support for this product:
- 3-Year Free Warranty: Fabrikazio akatsak eta erabilera normalaren ondoriozko matxurak estaltzen ditu.
- Bizi osorako laguntza teknikoa: Assistance with product usage, troubleshooting, and general inquiries.
- 7/24 Bezeroarentzako Arreta: Available around the clock for any questions or concerns.
For support, please refer to the contact information provided in your product packaging or visit the official Flylinktech webgunea.





