1. Sarrera
Thank you for choosing the Voltcraft VC-CJS77 4-in-1 Jump Starter. This versatile device combines a powerful jump starter for vehicles, an air compressor for tires, a bright LED work light, and a portable power bank for charging electronic devices. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your device. Please read it thoroughly before first use and keep it for future reference.
2. Segurtasun-argibideak
Always observe the following safety precautions to prevent injury or damage to the device and vehicle:
- Irakurri arretaz argibide guztiak erabili aurretik.
- Wear eye protection and protective gloves when operating the jump starter.
- Ensure adequate ventilation when jump-starting a vehicle.
- Do not smoke or allow sparks or flames near the battery or jump starter.
- Konektatu clamps to the correct polarity: GORRIA clamp to the positive (+) terminal, BELTZA clamp to the negative (-) terminal or vehicle chassis.
- Ez utzi cl gorria eta beltzaamps elkar ukitzeko.
- Mantendu gailua haurrengandik urrun.
- Ez jarri gailua euripean edo tenperatura altuetan.
- Gailua gehiegi berotzen bada erabiltzean, eten berehala funtzionatzea.
- Ez saiatu bateria izoztuta bat martxan jartzen.
- Deskonektatu clampibilgailuaren bateriatik deskargatzen da ibilgailua abiarazi eta 30 segundoren buruan.
3. Paketearen edukia
Egiaztatu elementu guztiak paketean daudela:
- Voltcraft VC-CJS77 4-in-1 Jump Starter Unit
- Jump Starter Cables with Polar Clamps
- Air Hose for Compressor
- 3 Valve Adapters (for various inflatables)
- USB-C USB-C kablea (45 cm)
- USB-A to USB-C Cable (45 cm)
- Biltegiratzeko poltsa
- Erabiltzailearen eskuliburua
4. Produktua amaitu daview
Familiarize yourself with the components of your Voltcraft VC-CJS77 unit.

4.1. irudia: Aurrealdea view of the Voltcraft VC-CJS77 unit, displaying the digital screen with battery percentage, input/output indicators, and control buttons.

4.2. irudia: Aldea view of the Voltcraft VC-CJS77, highlighting the various input and output ports for charging and power delivery, including USB-A and USB-C, and the dedicated jump starter port.
Funtsezko osagaiak:
- Bistaratze digitala: Shows battery level, output status, and compressor pressure.
- Pizteko botoia: Unitatea piztu / itzali egiten du.
- BOOST botoia: For emergency jump-starting when vehicle battery is extremely low.
- USB-A Output Ports (2x): Smartphone-ak, tabletak eta bestelako USB bidez elikatzen diren gailuak kargatzeko.
- USB-C Sarrera/Irteera Ataka: For charging the jump starter unit and also for charging other devices.
- Jump Starter Port: Connects to the jump starter cables.
- Air Compressor Port: Connects to the air hose for inflation.
- Laneko LED argia: Argiztapena hainbat modutan eskaintzen du.
5. Konfigurazioa eta hasierako kargatzea
Before using your Voltcraft VC-CJS77 for the first time, it is recommended to fully charge the unit.
5.1 Charging the Jump Starter Unit
- Connect the supplied USB-C to USB-C cable or USB-A to USB-C cable to the USB-C Input/Output port on the jump starter.
- Connect the other end of the cable to a suitable USB wall adapter (not included) or a powered USB port.
- The digital display will show the charging progress. Charge until the display indicates 100%.
- Guztiz kargatuta dagoenean, deskonektatu kargatzeko kablea.
For optimal performance and battery longevity, recharge the unit every 3-6 months, even if not in use.
6. Operating the Jump Starter
The Voltcraft VC-CJS77 is designed to jump-start 12V vehicles with petrol engines up to 8.0 liters and diesel engines up to 6.0 liters.
6.1 Jump-Starting a Vehicle
- Ensure the jump starter unit is at least 75% charged.
- Itzali ibilgailuaren piztea eta osagarri guztiak (argiak, irratia, etab.).
- Connect the blue end of the jump starter cables to the jump starter port on the VC-CJS77 unit.
- Konektatu GORRIA positiboa (+) clamp ibilgailuaren bateriaren terminal positibora (+).
- Konektatu BELTZA negatiboa (-) clamp to the negative (-) terminal of the vehicle's battery or a solid, unpainted metal part of the vehicle's chassis away from the battery.
- Once connected, the jump starter's display may show a voltage reading. If the vehicle battery is extremely low, press the BOST button on the unit. Wait for the indicator to confirm it's ready.
- Piztu ibilgailuaren motorra. Berehala abiarazten ez bada, itxaron 30 segundo berriro saiatu aurretik. Ez birarazi 3 segundo baino gehiago saiakera bakoitzeko.
- Ibilgailua martxan jartzen denean, deskonektatu berehala BELTZA clamp lehenengo, gero GORRIA clamp ibilgailuaren bateriatik.
- Disconnect the jump starter cables from the VC-CJS77 unit.
Garrantzitsua: Do not leave the jump starter connected to the vehicle battery for more than 30 seconds after the engine starts.
7. Aire konpresorea erabiltzea
The integrated air compressor can inflate tires and other inflatables up to a maximum pressure of 11 bar (approximately 160 PSI).
7.1 Inflating Tires or Inflatables
- Connect the air hose to the air compressor port on the VC-CJS77 unit.
- Attach the appropriate valve adapter to the air hose, if necessary, and then to the item you wish to inflate.
- Turn on the jump starter unit. The display will show the current pressure.
- Use the '+' and '-' buttons to set the desired target pressure (PSI, BAR, KPA, kg/cm²).
- Press the compressor start button (usually indicated by a tire icon) to begin inflation.
- The compressor will automatically stop once the preset pressure is reached.
- Disconnect the air hose from the item and the jump starter unit.
Oharra: The compressor may become warm during extended use. Allow it to cool down if necessary.
8. LED argia erabiltzea
The VC-CJS77 features a multi-mode LED work light for illumination in various situations.

8.1. irudia: The Voltcraft VC-CJS77 unit with its powerful LED flashlight activated, providing illumination.
8.1 Activating the LED Light
- Press and hold the LED light button (usually indicated by a light bulb icon) to turn on the light in its steady mode.
- Press the button again to cycle through the different modes: steady light, SOS signal, and strobe/flash.
- Press and hold the button again to turn off the LED light.
9. Power Bank gisa erabiltzea
The VC-CJS77 can also serve as a portable power bank to charge your electronic devices.
9.1 Kanpoko gailuak kargatzea
- Connect your device's charging cable to one of the USB-A output ports or the USB-C input/output port on the jump starter.
- The jump starter will automatically begin charging your device. The display may show 'OUT' and the power output.
- Deskonektatu gailua kargatzen amaitutakoan.
The unit supports PD65W fast charging via the USB-C port, allowing for quick charging of compatible devices.
10. Mantentzea
Proper maintenance ensures the longevity and reliability of your Voltcraft VC-CJS77.
- Garbiketa: Garbitu unitatea zapi leun eta lehor batekin. Ez erabili produktu kimiko gogorrik edo garbitzaile urratzailerik.
- Biltegiratzea: Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided storage bag for protection.
- Kargatzen: Recharge the unit every 3-6 months to maintain battery health, even if it has not been used.
- Kableen zainketa: Inspect jump starter cables and air hose for any damage before each use. Replace if frayed or damaged.
11. Arazoak
If you encounter issues with your Voltcraft VC-CJS77, refer to the following common problems and solutions:
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Vehicle does not start after jump-starting. | Abiarazlearen karga baxua; kargatze okerraamp connection; vehicle battery completely dead; vehicle issue. | Ziurtatu abiarazlea guztiz kargatuta dagoela. Egiaztatu klisazioaamp connections for correct polarity and secure contact. Try pressing the BOOST button. If still no start, the vehicle may have other mechanical issues. |
| Aire konpresorea ez da puzten. | Air hose not securely connected; incorrect pressure setting; unit not powered on. | Check all connections. Ensure the unit is powered on and the target pressure is set correctly. |
| Unitatea ez da kargatzen. | Faulty charging cable; faulty wall adapter; USB-C port issue. | Try a different USB-C cable and/or wall adapter. Ensure the cable is fully inserted into the port. |
| LED argiak ez du funtzionatzen. | Unit not powered on; low battery. | Ensure the unit is powered on and has sufficient charge. |
Konponbide hauek saiatu ondoren arazoa konpontzen ez bada, jarri harremanetan bezeroarentzako arreta-zerbitzuarekin.
12. Zehaztapenak
Technical specifications for the Voltcraft VC-CJS77 Jump Starter:
- Eredua: VC-CJS77 (Manufacturer Part Number: VC-16533725)
- Marka: VOLTCRAFT
- Bateriaren edukiera: 16000 mAh (12 V)
- Korronte gailurra: 1200 A
- Motorra bateragarritasuna: Up to 8.0L Petrol, Up to 6.0L Diesel
- USB-C sarrera/irteera: PD65W Fast Charging
- USB-A irteera: 2x ataka
- Air Compressor Max Pressure: 11 bar (approx. 160 PSI)
- LED funtzioak: Steady Light, SOS, Flash
- Neurriak (L x W x H): 23.5 x 6.7 x 11.5 cm
- Pisua: 1.81 kg
13. Bermea eta Laguntza
Your Voltcraft VC-CJS77 Jump Starter is covered by a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions.
For technical support, service, or warranty claims, please contact your retailer or the official Voltcraft customer service. Contact information can typically be found on the Voltcraft webgunean edo zure erosketa-dokumentazioan.





