Q1: What is the A3 Pro?
A: The A3 Pro is a 5-in-1 multi-functional jump starter that combines a 12V Jump Starter, Smart Cordless Tire Inflator, Portable Power Bank, LED Flashlight, and SOS Emergency Light. It supports engines up to 9.0L for gas and 6.5L for diesel.
Q2: What should I do before first use?
A: Charge it first using the provided Type-C cable and a wall charger (wall charger not included). When fully charged, the battery icon will show 4 bars.
Q3: How do I check the battery power?
A: Press the power button. The battery icon shows:
0 Bar: 0%
1 Bar: 25%
2 Bars: 50%
3 Bars: 75%
4 Bars: 100%
Q4: How do I turn the unit on and off?
A: Press and hold the power button for 2 seconds to turn it on or off. The device will automatically shut down after 90 seconds when not in use.
Q5: How do I start a 12V vehicle?
A:
Make sure the battery power is ≥ 2 bars.
Connect the smart jumper cable correctly (Red to positive, Black to negative).
Once the Green LED is solid, start the vehicle engine.
Q6: What do the LED indicators on the jumper cable mean?
A:
Green LED (solid): Connection is correct. Start the vehicle directly.
Red LED: Reverse connection. Please correct the polarity.
Green LED (blinks): Battery voltage too low. Press the "BOOST" button. Once Green LED is solid, start within 30 seconds.
No Light: Battery may be damaged. Ensure correct connection, press "BOOST," and start within 30 seconds once Green LED is solid.
Q7: When should I press the "BOOST" button?
A: Press "BOOST" when the vehicle battery voltage is extremely low (Green LED blinks or No Light). After pressing it, if the Green LED becomes solid, start the vehicle within 30 seconds.
Q8: Can I start the vehicle multiple times in a row?
A: No. Do not start more than three consecutive times. Wait 2 minutes between each start-up to avoid overheating.
Q9: How do I use the tire inflator?
A: Short press the "M" button to select a mode (SUV, Car, Bicycle, Basketball, or Free Mode). Adjust pressure with "+" or "-". Short press the power button to start inflation. The pump stops automatically when the desired value is reached.
Q10: How do I switch pressure units?
A: Press and hold the "M" button for 2 seconds to switch between BAR, PSI, and KPA. Release to confirm.
Q11: What are the preset pressure values?
A:
Basketball: 7 PSI
Bicycle: 44 PSI
Car: 2.4 BAR
SUV: 2.5 BAR
Q12: How do I use the LED flashlight?
A: Short press the lighting switch button to turn on the white light. Press again to cycle through Strobe, SOS, and Off.
Q13: Can I charge my phone or tablet?
A: Yes. It supports USB-A output (18W MAX) and USB-C input/output (PD 30W MAX). It is compatible with smartphones, tablets, and other USB devices.
Q14: Why does it shut off after 30 seconds when charging small devices?
A: The unit has a minimum load current limitation (200mA). For devices like headphones or smartwatches that require very low current, it will automatically shut off after 90 seconds.
Q15: Can this unit charge other devices while it is being charged?
A: Yes. However, it CANNOT charge other devices while starting a vehicle.
Q16: How often should I recharge the unit?
A: It is recommended to recharge every 3 months for optimal performance. Do not let the battery run out completely.
Q17: What is the operating and charging temperature range?
A: Operating temperature: -20°C to 60°C (-4°F to 140°F). Charging temperature: -10°C to 45°C (14°F to 113°F). Do not store in places exceeding 60°C/140°F.
Q18: What safety protections does it have?
A: It features a high-efficiency Battery Management System (BMS) with 10 protections, including short circuit, overcurrent, reverse connection, overheating, and overcharge protection.
