1. Safety Information
Please read all safety warnings and instructions before using this product. Failure to follow these instructions may result in electric shock, fire, and/or serious injury.
- Do not jump start a frozen battery.
- Do not allow the positive and negative clamps to touch each other.
- Do not immerse the unit in water.
- Do not operate the unit in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Always wear eye protection and protective clothing when working with batteries.
- Keep out of reach of children.
- Ensure proper ventilation during use.
- If battery acid comes into contact with skin or eyes, flush immediately with clean water and seek medical attention.
2. Product Overview
The giatero Q27B is a multi-functional device designed to jump start vehicles, inflate tires, and charge portable electronic devices. It features a 10000A peak current for powerful starting, a 150PSI air inflator, and a versatile LED flashlight.
Package Contents:
- giatero Q27B Jump Starter Unit
- Smart Jumper Clamps
- USB Charging Cable
- Air Inflator Hose
- Various Nozzle Adapters
- Storage Bag
Key Features:
- 10000A Peak Current: Capable of jump starting all gas and all diesel engines.
- 150PSI Air Inflator: Quickly inflates tires and other inflatables.
- Digital Display: Shows battery level, air pressure, and operational status.
- USB Charging Ports: Provides quick charging for multiple USB devices.
- 3-in-1 LED Flashlight: Features illumination, SOS, and strobe modes for emergencies.

Figure 2.1: The giatero Q27B Car Jump Starter and Air Inflator, shown with its smart jumper clamps, USB charging cable, air inflator hose, and various nozzle adapters, all contained within a storage bag.
3. Setup
3.1 Charging the Jump Starter
Before initial use, fully charge the giatero Q27B unit. It is recommended to fully charge the device every 3-6 months to maintain battery health, even when not in use.
- Connect the provided USB charging cable to the input port on the jump starter.
- Connect the other end of the USB cable to a compatible USB wall adapter (not included) or a car charger.
- The digital display will indicate the charging status and battery percentage. Charge until the display shows 100%.
4. Operation
4.1 Jump Starting a Vehicle
Use this function to start vehicles with a dead battery. Ensure the jump starter is at least 50% charged.
- Turn off the vehicle's ignition and all accessories.
- 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.
- Plug the smart jumper cable connector into the jump starter's port. The jump starter will perform a self-check. Wait for the indicator light on the smart clamp to turn solid green.
- Start the vehicle's engine.
- Once the vehicle starts, immediately disconnect the smart jumper cable from the jump starter, then remove the black (-) clamp, followed by the red (+) clamp from the vehicle battery.

Figure 4.1: The giatero Q27B Car Jump Starter connected to a vehicle battery using the smart jumper clamps, ready to initiate an emergency start.
4.2 Using the Air Inflator
The integrated air inflator can be used for tires, sports equipment, and other inflatables.
- Connect the air inflator hose to the designated port on the jump starter.
- Attach the appropriate nozzle adapter to the hose and securely connect it to the item you wish to inflate (e.g., tire valve).
- Turn on the jump starter. Use the 'M' button to select the desired pressure unit (PSI, BAR, KPA). Use the '+' and '-' buttons to set the target pressure.
- Press the power button to start inflation. The inflator will automatically stop when the preset pressure is reached.
- Disconnect the hose and store the unit.

Figure 4.2: The giatero Q27B Car Jump Starter's air inflator hose connected to a car tire valve, demonstrating its tire inflation capability.
4.3 Charging USB Devices
The unit can act as a power bank for your electronic devices.
- Connect your USB device's charging cable to one of the USB output ports on the jump starter.
- The jump starter will automatically begin charging your device.
- Disconnect your device once charging is complete.

Figure 4.3: The giatero Q27B Car Jump Starter actively charging two smartphones simultaneously via its USB output ports, showcasing its power bank functionality.
4.4 Using the LED Flashlight
The built-in LED flashlight offers multiple lighting modes for various situations.
- Illumination: Long press the power button to turn on the flashlight.
- SOS Mode: With the flashlight on, short press the power button to cycle to SOS mode (flashing three short, three long, three short pulses).
- Strobe Mode: Short press the power button again to cycle to strobe mode (rapid flashing).
- Turn Off: Long press the power button to turn off the flashlight from any mode.

Figure 4.4: The giatero Q27B Car Jump Starter's integrated LED flashlight providing illumination in a dark environment, highlighting its utility as a portable light source.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your giatero Q27B.
- Cleaning: Wipe the unit with a dry, soft cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the jump starter in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging: Recharge the unit every 3-6 months, even if not used, to prevent deep discharge and extend battery life.
- Accessory Care: Keep jumper clamps and inflator hose clean and free of debris. Inspect for damage before each use.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | Battery is completely discharged. | Charge the unit fully. |
| Vehicle does not jump start. | Incorrect clamp connection; vehicle battery too low; jump starter battery too low. | Ensure clamps are connected correctly (red to +, black to -); ensure jump starter is sufficiently charged (above 50%); check vehicle battery for severe damage. |
| Air inflator not working or not reaching desired pressure. | Hose not securely connected; nozzle adapter incorrect; unit battery low. | Check all connections for leaks; ensure correct nozzle is used; charge the jump starter. |
| USB devices not charging. | USB cable faulty; jump starter battery low; device not compatible. | Try a different USB cable; charge the jump starter; ensure your device is compatible with standard USB charging. |
7. Specifications
- Brand: giatero
- Model: Q27B
- Peak Output Current: 10000 Amps
- Voltage: 12 Volts
- Battery Cell Composition: Lithium Polymer
- Product Dimensions: 1"D x 2"W x 6"H
- Item Weight: 1.5 Pounds
- Vehicle Service Type: Passenger Car (Universal Fit for All Gas & All Diesel Engines)
- Manufacturer: Dongguan Huaqing Technology Co.,LTD
8. Warranty & Support
For warranty information or technical support, please refer to the documentation included with your purchase or contact the manufacturer directly. Keep your purchase receipt as proof of purchase.