Doorii Portable Car Jump Starter with Air Compressor (Model L-1) User Manual

Introduction

Thank you for choosing the Doorii Portable Car Jump Starter with Air Compressor. This device is designed to provide emergency jump-starting for vehicles, inflate tires, and serve as a portable power bank and LED light source. Please read this manual thoroughly before use to ensure safe and proper operation.

What's in the Box

The package includes:

• 1x Doorii Portable Car Jump Starter with Air Compressor
• 1x Smart Jumper Cables
• 1x Air Tube
• 3x Gas Nozzles (for various inflatables)
• 1x USB-C Charging Cable
• 1x User Manual
• 1x Portable EVA Carrying Case

Text description: This image displays all components included in the Doorii Portable Car Jump Starter package. It shows the main jump starter unit, smart jumper cables with red and black clamps, an air inflation tube, three different nozzles for inflation, a USB-C charging cable, a user manual, and a black EVA carrying case.

Safety Information

WARNING: Read all safety warnings and instructions before using this product. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.

• Do not operate the jump starter if it is damaged.
• Do not jump start a frozen battery.
• Ensure proper polarity connection (red clamp to positive, black clamp to negative). Reverse polarity can cause damage.
• Do not allow the red and black clamps to touch each other.
• Keep out of reach of children.
• Use the product in a well-ventilated area.
• Do not expose the product to rain or wet conditions.
• The device features an Intelligent Protection System for over-charge, over-current, short-circuit, reverse polarity, low/high temperature, over-voltage, and overload protection.

Text description: This image displays the "Intelligent Protection System" of the Doorii jump starter. It shows the device connected to battery clamps, with icons representing various safety features: Over Charge Protection, Over Current Protection, Short Circuit Protection, Reverse Polarity Protection, Low Temp Protection, High Temp Protection, Over Voltage Protection, and Over Load Protection. A shield icon indicates overall safety.

Text description: This image shows a close-up of the Doorii jump starter's internal circuitry, emphasizing its "High Safety" features through "Smart Microcomputer Technology." Text overlays state "No Sparks" and "No Damage," indicating advanced safety mechanisms.

Setup

Charging the Device

Before first use, fully charge the Doorii Jump Starter. Connect the included USB-C charging cable to the device's USB-C IN/OUT port and a compatible 65W USB wall charger (not included). The LED display will show the battery level. A full charge from 0% to 100% can be achieved quickly with a 65W charger.

• Ensure the device is fully charged for optimal performance, especially before jump-starting.
• The device can hold a charge for approximately 24 months in standby.

Text description: This image illustrates the Doorii jump starter's function as a portable power bank. It shows the device connected via USB cables to a smartphone and a tablet, both displaying charging indicators. The jump starter itself has an LED screen showing "18.8.8" and a battery percentage.

Operating Instructions

1. Jump Starting a Vehicle

This jump starter is designed for 12-Volt vehicles with gasoline engines up to 9.0L or diesel engines up to 8.0L.

1. Ensure the jump starter is sufficiently charged (at least 50% recommended).
2. Turn off the vehicle's ignition and all accessories.
3. Connect the red (+) clamp of the smart jumper cables to the positive (+) terminal of the vehicle's battery.
4. Connect the black (-) clamp of the smart jumper cables to the negative (-) terminal of the vehicle's battery.
5. The smart jumper cables will show a green light if connected correctly. If an error light appears, check connections.
6. Connect the smart jumper cable plug to the jump starter's output port.
7. Start the vehicle's engine.
8. Once the vehicle starts, immediately disconnect the smart jumper cable plug from the jump starter.
9. Then, disconnect the black (-) clamp from the vehicle battery, followed by the red (+) clamp.

Text description: This image shows the Doorii jump starter connected to a car battery within an engine bay. The red and black clamps are attached to the corresponding battery terminals. Text on the image indicates "4000A Emergency Jump Starter" and specifies compatibility with "10.0L Gas" and "8.0L Diesel" engines, capable of "60 Starts."

2. Using the Air Compressor

The integrated air compressor can inflate tires up to 150 PSI and features a 2-inch LED display for real-time pressure monitoring.

1. Connect the air tube to the inflation port on the jump starter.
2. Attach the other end of the air tube to the tire valve or use the appropriate nozzle for other inflatables (balls, swim rings, etc.).
3. Turn on the jump starter. The LED display will show the current pressure.
4. Use the mode button to select the desired inflation mode (car, motorcycle, bicycle, ball, custom).
5. Adjust the target pressure using the +/- buttons.
6. Press the power button to start inflation. The compressor will automatically stop once the target pressure is reached.
7. Disconnect the air tube and store it properly.

Text description: This image shows the Doorii jump starter connected to a car tire valve via its air tube, actively inflating the tire. The device's screen displays pressure readings. Text highlights "150PSI Super Fast Inflator" and claims "0 to 20 PSI in 2 Minutes."

3. Portable Power Bank Function

The device features USB output ports (including a USB-C 3.0 fast charging port) to charge mobile phones, tablets, earbuds, drones, smartwatches, and other mobile devices.

• Connect your device to the USB-A or USB-C output port using a compatible charging cable.
• The jump starter will automatically begin charging your device.
• The USB-C port supports 65W Power Delivery (PD) for fast charging, and the USB-A port supports up to 18W.

4. LED Light Function

The integrated LED light offers 4 modes: Illumination, Warning, SOS, and Strobe. This is useful for emergencies, camping, outdoor activities, and travel.

• Press the light button to cycle through the different modes.
• The light provides 400 lumens of illumination.

Text description: This image shows the Doorii jump starter's LED light actively shining in a dark environment, casting a bright beam. Text indicates "400 Lumen LED Light" and lists its modes: "Lighting," "Warning," "SOS," and "Strobe."

Maintenance

• Charging: Recharge the device every 3-6 months, even if not used, to maintain battery health.
• Cleaning: Wipe the device with a dry, soft cloth. Do not use harsh chemicals or abrasive cleaners.
• Storage: Store the jump starter in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided EVA carrying case for protection.
• Battery Life: The internal lithium polymer battery is designed for long life but will degrade over time with repeated use and charging cycles.

Troubleshooting

Specifications

Warranty and Support

Doorii provides a 2-year free warranty for this product. For technical support or customer service inquiries, please refer to the contact information provided with your purchase or contact the seller directly through the platform where the product was purchased. Life-time technical support and 24/7 customer service are offered.