DBPOWER Car Jump Starter User Manual

1. Safety Information

Please 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 short-circuit the jump starter.
• Do not expose the product to high temperatures or direct sunlight for extended periods.
• Keep the product away from children and pets.
• Ensure proper polarity connection (red to positive, black to negative) when jump starting.
• The intelligent jumper clamps are designed with multiple protection technologies including overcurrent, short circuit, overload, over-voltage, and over-charge protection.

2. Package Contents

Verify all items are present in the package:

• • DBPOWER DJS90 Car Battery Jump Starter
• • Heavy-duty Smart Jumper Clamps
• • USB to Type-C Charging Cable
• • Hard Storage Case
• • User Manual

Image: All items included in the DBPOWER DJS90 package.

3. Product Overview

Key Features

• Powerful Jump Starter: 1600A peak current, capable of jump starting most 12V vehicles (up to 7.5L Gas & 6.0L diesel engines) up to 20 times on a single charge.
• Versatile Power Supply: 18000mAh battery capacity with 5V/2.1A USB output, smart USB port, and a 5V/3A Type-C in/out port for charging smartphones, tablets, and other USB devices.
• Intelligent Clamps: LCD intelligent spray gold clamps with comprehensive protection technologies.
• LCD Display: Intuitive screen to monitor product status and remaining power.
• Integrated Lighting: LED flashlight with 3 modes (Flashlight, Strobe, SOS), integrated compass, and red emergency light.

Image: DBPOWER DJS90 Car Jump Starter and accessories.

Ports and Controls

Image: Detailed diagram of the jump starter's features and ports.

• 12V/800A Jumping Port: For connecting intelligent jumper clamps.
• 5V/2.1A Output: Standard USB output port.
• 5V Smart USB Output: Smart USB port for optimized charging.
• 5V/3A Type-C In(Out) Port: Bidirectional Type-C port for charging the unit or external devices.
• ON/OFF Button: Power control for the unit.
• Function Key: Controls LED flashlight modes and red emergency light.
• Power Indication Light: Shows remaining battery power.
• Compass: Integrated for navigation.

4. Setup

Initial Charging

Before first use, fully charge the jump starter. It is recommended to fully charge the unit every 3-6 months to maintain battery health, even if not in use.

1. Connect the USB to Type-C charging cable to the jump starter's Type-C In(Out) port.
2. Connect the other end of the cable to a compatible USB wall charger (included) or car charger.
3. The LCD display will show the charging progress. The unit is fully charged when the display shows 100%.

Image: Charging the jump starter using a wall charger.

5. Operating Instructions

Jump Starting a Vehicle

Ensure the jump starter has sufficient charge (preferably above 50%) before attempting to jump start a vehicle.

1. Insert the blue plug of the intelligent jumper clamps into the 12V/800A Jumping Port on the jump starter.
2. Connect the red clamp to the positive (+) terminal of the vehicle's battery.
3. Connect the black clamp to the negative (-) terminal of the vehicle's battery.
4. Ensure the clamps are securely attached. The intelligent clamp indicator light will turn green when ready.
5. Start your car engine.
6. Once the engine starts, immediately remove the clamps from the vehicle battery, then disconnect the clamps from the jump starter.

Image: Steps for jump starting a car battery.

Using as a Power Bank

The DJS90 can charge various electronic devices.

• Connect your device's USB charging cable to either the 5V/2.1A USB output, the 5V Smart USB output, or the 5V/3A Type-C In(Out) port.
• The jump starter will automatically begin charging your device.

Image: The jump starter functioning as a portable power bank.

LED Light Functions

The integrated LED light offers multiple modes for different situations.

• Flashlight: Long press the Function Key to turn on the flashlight.
• Strobe: Short press the Function Key once from flashlight mode.
• SOS: Short press the Function Key twice from flashlight mode.
• Red Emergency Light: Double press the Function Key to activate the red emergency light. This is useful for roadside emergencies to alert other drivers.

Image: LED flashlight modes demonstration.

6. Maintenance

• Store the jump starter in its protective storage case when not in use.
• Keep the unit charged. It is recommended to recharge the unit every 3-6 months to prolong battery life and ensure it's ready for use.
• Clean the unit with a dry, soft cloth. Do not use harsh chemicals or abrasive materials.

7. Troubleshooting

If the jump starter is not functioning as expected, consider the following:

• Unit not turning on: Ensure the ON/OFF switch is in the 'ON' position. Check battery level on the LCD display.
• Vehicle not starting: Ensure clamps are properly connected to the battery terminals (red to positive, black to negative). Check that the intelligent clamp indicator light is green. The vehicle battery might be severely discharged; allow the jump starter to connect for a few minutes before attempting to start.
• Charging issues: Verify the charging cable and adapter are securely connected. Try a different USB port or wall outlet.
• Protection activated: If the unit shuts off or shows an error, one of the built-in protection features (e.g., overcurrent, short circuit) may have been triggered. Disconnect and re-evaluate the situation before attempting again.

8. Specifications

9. Warranty and Support

DBPOWER provides 24 months of hassle-free service and lifetime technical support for this product.

For any questions or assistance, please contact DBPOWER customer support:

• Website: Visit the official DBPOWER website for support resources.
• Email: Refer to your product packaging or the official website for contact email.