1. Introduzione
This manual provides essential instructions for the safe and effective operation, maintenance, and troubleshooting of your BOOKOO A9 Portable 2000A 20000mAh Jump Starter. Please read this manual thoroughly before using the device to ensure proper function and to prevent damage or injury.
The BOOKOO A9 is a versatile portable power solution designed to jump start 12V vehicles with up to 8.0L gasoline or 6.5L diesel engines. It also functions as a power bank for electronic devices and includes an emergency LED flashlight.
2. Contenuto della confezione
Verifica che tutti gli articoli siano presenti nel tuo pacco:
- A9 Jump Starter Unit
- Smart Jumper Clamps
- USB Wall Charger Adapter
- Micro USB A to USB C Cable
- Custodia rigida da trasporto
- Cavo accendisigari
- Guida per l'utente

Figure 2.1: Contents of the BOOKOO A9 Jump Starter package.
3. Caratteristiche del prodotto
- Avviamento potente: 2000A peak current, 20000mAh capacity (74Wh) for 12V vehicles. Suitable for up to 8.0L gas and 6.5L diesel engines.
- Power Bank multifunzionale: Two USB outputs (5V/2.1A and QC 3.0: 5V/3A, 9V/2A, 12V/1.5A) for charging smartphones, tablets, and other mobile devices.
- Uscita 16 V CC: Powers 12V-16V/6A car accessories like tire inflators and inverters.
- Torcia LED integrata: Features 3 modes: Flash Light, Strobe Light, and SOS Light (400 LM 5W LED).
- Protezioni di sicurezza avanzate: 8 built-in safety features including over-current, over-load, over-voltage, over-charge, short circuit, reverse polarity, power surging, and sparking protection.
- Durevole e resistente alle intemperie: IP66 water-resistant rating with a waterproof rubber stopper. Operates in extreme temperatures from -4°F to 149°F.
- Compatto e portatile: Lightweight design (1.93 lbs) with dimensions of 6.57"D x 3.15"W x 1.57"H, easily stored in a glove box or carrying case.
4. Prodotto finitoview
The BOOKOO A9 Jump Starter is designed for ease of use and durability. Below is an overview dei suoi componenti principali e delle sue porte.

Figure 4.1: Key features and ports of the BOOKOO A9 Jump Starter.
- Pulsante di accensione: Attiva il dispositivo e controlla il livello della batteria.
- Indicatori luminosi di alimentazione: Four blue LEDs indicate the remaining battery charge.
- Jump Starter Output: Port for connecting the smart jumper clamps.
- USB Outputs (Output 1 & 2): Per caricare dispositivi elettronici esterni.
- Ingresso di tipo C: Per ricaricare l'unità di avviamento di emergenza.
- DC Output (12V-16V): Per alimentare gli accessori dell'auto a 12 V.
- Luce LED: Multi-mode flashlight for illumination and emergency signaling.
5. Configurazione e ricarica iniziale
Before first use, fully charge your BOOKOO A9 Jump Starter. It is recommended to recharge the unit every 3 months to maintain optimal battery health.
5.1 Ricarica dell'avviatore di emergenza
- Connect the Micro USB A to USB C Cable to the Type-C Input port on the jump starter.
- Plug the other end of the cable into the USB Wall Charger Adapter.
- Collegare l'adattatore a muro a una presa elettrica standard.
- The power indicator lights will illuminate and flash, indicating charging. All four lights will be solid when fully charged.
Alternatively, you can use the Cigarette Lighter Cable to charge the unit from your vehicle's 12V outlet.
6. Istruzioni per l'uso: avviamento di emergenza di un veicolo
Per avviare il tuo veicolo in tutta sicurezza, segui attentamente questi passaggi:
- Assicurarsi che l'avviatore di emergenza sia completamente carico.
- Turn off your vehicle's ignition and all accessories (lights, radio, etc.).
- Collegare lo smart jumper clamps to the jump starter's Jump Starter Output port. Ensure a secure connection.
- Collegare il rosso (+) clamp al terminale positivo (+) della batteria del veicolo.
- Collegare il nero (-) clamp al terminale negativo (-) della batteria del veicolo.
- Una volta connesso, la spia luminosa sullo smart clamps should turn solid green, indicating a safe connection. If it flashes or beeps, check the connections for proper polarity.
- Return to your vehicle and start the engine. If the engine does not start immediately, wait 30 seconds before trying again. Do not crank for more than 3 seconds per attempt.
- Una volta avviato il veicolo, scollegare immediatamente il polo nero (-)amp dalla batteria del veicolo, quindi scollegare il polo rosso (+)amp.
- Finally, disconnect the smart jumper clampdall'unità di avviamento di emergenza.

Figure 6.1: The BOOKOO A9 Jump Starter connected to a vehicle battery.
6.1 Force Start Function (for completely dead batteries)
If your vehicle battery is completely dead (below 2V), the smart clamps may not detect it and the indicator light might not turn green. In this case, use the force start function:
- Assicurare la classe intelligenteamps are correctly connected to both the jump starter and the vehicle battery terminals.
- Press and hold the 'BOOST' button (often marked with an exclamation mark or similar symbol) on the smart clamps for 3-5 seconds until the indicator light turns solid green.
- Avviare il veicolo entro 30 secondi.
- Una volta avviato il veicolo, scollegare immediatamente il clamps in reverse order (black then red).
Note: Use the force start function only when necessary and with extreme caution, as it bypasses some safety checks.
Video 6.1: Demonstration of the BOOKOO A9 jump start battery pack in action.
Video 6.2: How to use the A9 car battery jump starter.
7. Caratteristiche multifunzione
7.1 Power Bank Function (USB Outputs)
The BOOKOO A9 can charge your electronic devices:
- Connect your device's USB charging cable to either Output 1 (5V/2.1A) or Output 2 (QC 3.0) on the jump starter.
- Premere una volta il pulsante di accensione per iniziare la ricarica.
- The indicator lights will show the remaining charge.

Figure 7.1: Charging multiple devices using the USB outputs.
7.2 DC Output for Accessories
Use the 16V DC output to power compatible car accessories:
- Connect the Cigarette Lighter Cable to the DC Output port on the jump starter.
- Plug your 12V accessory (e.g., tire inflator) into the cigarette lighter socket.
- Press the power button once to activate the DC output.
Torcia elettrica 7.3 LED
The built-in LED flashlight offers multiple modes:
- Press and hold the flashlight button (usually located near the LED light) for 3 seconds to turn on the constant light mode.
- Press the button again to switch to Strobe Light mode.
- Premere il pulsante una terza volta per attivare la modalità SOS Light.
- Press and hold the button again for 3 seconds to turn off the flashlight.

Figure 7.2: The multi-mode LED flashlight for various situations.
8. Informazioni sulla sicurezza
The BOOKOO A9 Jump Starter is equipped with 8 safety protections to ensure safe operation:
- Protezione da sovracorrente
- Protezione da sovraccarico
- Over-volumetage Protezione
- Protezione da sovraccarico
- Protezione da cortocircuito
- Protezione polarità inversa
- Power Surging Protection
- Sparking Protection
Always ensure proper connection of the smart jumper clamps to avoid issues. The smart clamps provide visual and audible error detection.

Figure 8.1: Smart clamps with spark-proof and reverse polarity protection.
9. Manutenzione
To ensure the longevity and optimal performance of your BOOKOO A9 Jump Starter:
- Recharge the unit within 3 months if not in regular use.
- Store the jump starter in its hard carrying case in a cool, dry place.
- Avoid exposing the unit to extreme temperatures outside its operating range (-4°F to 149°F) for prolonged periods.

Figure 9.1: The jump starter is designed to operate in a wide range of temperatures.
10. Risoluzione Dei Problemi
If you encounter issues with your jump starter, refer to the following common problems and solutions:
- Jump starter fails to start vehicle: Ensure the unit is fully charged. Check that the smart clamps are securely connected to the correct battery terminals (red to positive, black to negative). If the battery is completely dead (below 2V), use the force start function as described in Section 6.1.
- Battery may not perform optimally in extreme cold weather: Ensure the jump starter is kept in a warmer place before use.
- cl . intelligenteamps indicator light is not green: Recheck connections for proper polarity. If the battery is extremely low, use the force start function.
11. Specifiche
| Specificazione | Valore |
|---|---|
| Marca | Boo Koo |
| Modello | A9 |
| Picco Amprabbia | 2000 Amps |
| Capacità della batteria | MAh 20000 (74Wh) |
| Compatibilità del motore | Fino a 8.0L benzina / 6.5L diesel |
| Dimensioni del prodotto | 6.57"P x 3.15"L x 1.57"A |
| Peso dell'articolo | 1.93 libbre |
| Uscita USB 1 | 5V/2.1A |
| Uscita USB 2 (QC 3.0) | 5V/3A, 9V/2A, 12V/1.5A |
| DC Output | 12V-16V / 6A |
| Temperatura di esercizio | -4°F a 149°F |
| Resistenza all'acqua | Grado di protezione IP66 |
12. Garanzia e supporto
BOOKOO provides lifetime technical support and worry-free after-sale service 24/7. For any inquiries or assistance, please refer to the contact information provided in your product packaging or visit the official BooKoo store online.
The company has 10 years of R&D and production experience, ensuring strict quality control and offering a 2-year after-sales service.