Introduction
The ASMAX T20 is a versatile emergency device designed to provide reliable assistance for various vehicle and personal needs. It combines a powerful 4000A car jump starter, a 150PSI tire inflator, a 12000mAh power bank, and an emergency LED flashlight. This manual provides essential information for safe operation, maintenance, and troubleshooting.
Safety Information
Please read and understand all safety instructions before using the ASMAX T20 device. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
General Safety Precautions:
- Keep the device away from children.
- Do not expose the device to rain or wet conditions.
- Do not operate the device if it has been damaged.
- Ensure proper ventilation during use and charging.
- Do not disassemble or modify the device.
- Use only the provided accessories and cables.
Built-in Safety Features:
The ASMAX T20 is equipped with 10 safety protections to ensure safe operation:
- Over Charge Protection
- High Temperature Protection
- Over Current Protection
- Short Circuit Protection
- Reverse Polarity Protection
- Over Voltage Protection
- Over Load Protection
- Spark Proof Technology
- Reverse Charge Protection
- Auto Stop Function (for inflation)
Package Contents
Verify that all items are present in your package:
- ASMAX T20 Multi-Function Device
- Inflatable Air Hose
- 12V Smart Jumper Cable with Clamps (Red and Black)
- USB-C Charging Cable
- Ball Needle
- Extended Schrader Valve
- Schrader Valve
- Presta Valve
- Portable Storage Bag
- User Manual (this document)
Specifications
| Feature | Specification |
|---|---|
| Peak Current | 4000A |
| Battery Capacity | 12000mAh (44.4Wh / 14.8V) |
| Number of Built-in Batteries | 4 |
| Air Compressor Pressure Range | 2-150 PSI / 0.1-10.3 BAR |
| Air Flow | 28 L/min |
| USB Output | 5V/1A-2A |
| Input Voltage (USB-C) | 5V/2A, 9V/2A |
| Operating Temperature Range | -20°C ~ 45°C / -4°F ~ 113°F |
| Engine Support (Gasoline) | Up to 9.0L |
| Engine Support (Diesel) | Up to 8.0L |
| Vehicle Type | All 12V Vehicles |
| External Testing Certification | ROHS, FCC, CE |
Setup
Charging the Device:
Before first use, fully charge the ASMAX T20. It is recommended to charge the device every 3-6 months to maintain battery health, especially if not used frequently.
- Connect the provided USB-C charging cable to the Type-C input port on the ASMAX T20.
- Connect the other end of the USB-C cable to a 5V/2A or higher USB wall adapter (not included).
- The LED screen will indicate charging status. The device is fully charged when the battery indicator shows full.
Operating Instructions
1. Jump Starting a Vehicle:
Ensure the ASMAX T20 is sufficiently charged before attempting to jump start a vehicle.
- Connect to Booster: Insert the blue end of the smart jumper cable into the jump starter port on the ASMAX T20. Ensure a firm connection.
- Connect to Car Battery:
- Connect the red (+) clamp to the positive (+) terminal of the vehicle's battery.
- Connect the black (-) clamp to the negative (-) terminal of the vehicle's battery.
- Wait for Green Light: The green light on the smart jumper cable will turn on when the power is detected and the connection is correct. If a red light or alarm sounds, check the connections for reverse polarity or other issues.
- Start Engine: Once the green light is solid, start the car or motorcycle engine.
- Remove Clamps: After the engine starts, immediately remove the black (-) clamp first, then the red (+) clamp from the vehicle battery. Disconnect the smart jumper cable from the ASMAX T20.
2. Tire Inflation:
The ASMAX T20 can inflate tires and other items up to 150 PSI.
- Connect Nozzle: Screw the inflatable air hose onto the air output port of the ASMAX T20. Attach the appropriate nozzle (Schrader, Presta, ball needle, or extended Schrader) to the other end of the hose, depending on the item to be inflated.
- Select Preset Mode: Long press the power button for 3 seconds to turn on the device. Use the mode selection button to choose the desired preset (e.g., car, motorcycle, bicycle, ball). The LED screen will display the current pressure and allow you to set the target pressure using the '+' and '-' buttons.
- Connect to Valve & Start Inflation: Connect the nozzle securely to the item's valve. Press the inflation start button to begin inflation. The device will automatically stop when the preset pressure is reached.
3. Power Bank Function:
The 12000mAh battery can charge your electronic devices.
- Connect your device's charging cable to the USB-A output port or the Type-C input/output port on the ASMAX T20.
- The ASMAX T20 will automatically begin charging your device.
4. LED Flashlight:
The built-in LED light has multiple modes for emergency situations.
- Press the flashlight button once to turn on the steady light.
- Press again to cycle through flashing mode.
- Press a third time for SOS mode.
- Press a fourth time to turn off the flashlight.
Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the ASMAX T20 in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided portable storage bag for protection.
- Charging: For optimal battery life, fully charge the device every 3-6 months, even if not in use. This prevents deep discharge and extends the battery's lifespan.
- Battery Care: Avoid completely draining the battery before recharging.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is completely discharged. | Charge the device using the USB-C cable and a 5V/2A adapter. |
| Vehicle does not jump start. | Incorrect clamp connection; vehicle battery too low; device battery too low. | Ensure clamps are connected correctly (red to +, black to -). Check device charge level. If vehicle battery is severely discharged, it may require more attempts or professional assistance. |
| Red light/alarm on smart jumper cable. | Reverse polarity connection. | Immediately disconnect clamps and reconnect them correctly (red to +, black to -). |
| Air compressor not inflating. | Hose/nozzle not securely connected; target pressure not set; device battery low. | Ensure all connections are tight. Set a target pressure on the display. Charge the device. |
| Inaccurate pressure reading. | Loose connection to valve. | Ensure the nozzle is firmly attached to the tire valve. |
| Power bank not charging devices. | Device battery low; incorrect cable/port. | Charge the ASMAX T20. Ensure you are using the correct output port and a functional charging cable for your device. |
User Tips
- Pre-charge for Emergencies: Always keep your ASMAX T20 fully charged, especially before long trips, to ensure it's ready for unexpected situations.
- Check Tire Pressure Regularly: Use the built-in inflator to regularly check and maintain correct tire pressure for safety and fuel efficiency.
- Store Safely: Keep the device and its accessories in the provided storage bag to prevent damage and keep all components together.
- Understand Display: Familiarize yourself with the LED display indicators for battery level, pressure readings, and selected modes.
Warranty and Support
The ASMAX T20 comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper maintenance.
For warranty claims, technical support, or any questions regarding your ASMAX T20 device, please contact ASMAX Official Store customer service through the platform where you purchased the product.
Please retain your proof of purchase for warranty validation.
