GKFLY Car Jump Starter User Manual

1. Introduction and Safety Warnings

Thank you for purchasing the GKFLY multi-functional jump starter. To ensure correct operation and your safety, please read this user manual carefully before operation. This manual provides detailed information on the product's specifications, functions, operation, safety warnings, and other accessories.

Important Safety Information

Use utmost care when operating this device! Failure to observe safety precautions can cause damage to your health or life, or to your vehicle.

• ATTENTION - DANGER! Always follow instructions carefully.
• WARNING! Do not charge the product in unattended places.
• Keep away from fire, electric shock, and any potential damage to your car.
• Do not throw or hit the device hard.
• Do not disassemble or reinvent the device.
• Do not place the device in liquid or fire.
• Do not expose the device to high temperatures. If the product is damaged, stop using it immediately.
• Do not allow children to touch the product; this is not a toy. Users without safety awareness should use this product under the supervision of a legal guardian.
• Do not clamp both battery terminals together or clamp them on the same piece of metal. This may cause safety accidents.
• The device is suitable only for 12V batteries.
• Keep children and animals away from the working area of the device.
• Keep the clips and their connection points clean and tidy. Never connect the clips together.
• Avoid using the device near explosive substances, flammable gases, or in dusty environments.
• Avoid overheating the device, smoking near the device, and exposing it to extreme moisture. Keep the device away from open flames and never immerse it in water.
• The device must not be stored at temperatures exceeding 60 °C.
• Do not use the jump starter cable to charge other devices.
• Keep the device supervised while charging.
• Using the device at current and voltage ranges other than those specified on the device nameplate may cause charging and discharging problems and deterioration of battery capacity and performance, and may cause the device to malfunction.
• If the device casing is bulged, leaking, or giving off an unpleasant odor, stop using the device immediately.
• If you notice battery acid leaking from the battery, do not touch it with bare hands. If battery acid contacts the skin or eyes, rinse immediately with plenty of running cold water and soap. Flush eyes for at least 10 minutes and seek medical advice if necessary.
• The device features a lithium rechargeable battery that must be disposed of under the applicable laws in your country.
• Never attempt to jump-start the vehicle in continuous mode! The start cycle should take no more than 3 seconds, and the interval between cycles should be at least 2 minutes. Do not exceed 3 consecutive start attempts.
• Never use the device to start the vehicle's battery and charge the device's internal battery simultaneously.

2. Product Overview

The GKFLY Car Jump Starter is a multi-functional device designed for emergency car starting, portable device charging, and emergency lighting.

Figure 1: GKFLY 2000A Car Jump Starter (Main View)

Components

• LED Flashlight: For illumination and emergency signals.
• DO Anti-reverse Insert Car Starter Port: For connecting the smart clamps.
• TYPE-C Charging Slot: For charging the jump starter (Input: 5V/2A).
• USB Output Ports: Two ports (5V/2A and 5V/3A 9V/2A 12V/1.5A) for charging external devices.
• ON/OFF Button: Power control for the device.
• Battery Indicator: LED lights showing the current battery level.

Package Contents

• GKFLY Car Jump Starter Unit
• Smart Start Clamps (Red for positive, Black for negative)
• USB Charging Cable
• Operating Instruction Manual

3. Setup

Initial Charging of the Jump Starter

Before first use, or if the battery indicator shows low charge, fully charge the jump starter.

1. Connect the USB charging cable to the TYPE-C charging slot on the jump starter.
2. Connect the other end of the USB charging cable to a suitable USB power adapter (e.g., a phone charger or computer USB port).
3. Plug the USB power adapter into a household electricity outlet.
4. The battery indicator LEDs will light up, showing the charging progress. When all 4 LED bars are solid, the battery is fully charged.

Battery Indicator Status:

Note: At first use, the device may show a virtual power level and deplete quickly. After a few full charge cycles, it will return to normal operation.

4. Operating Instructions

4.1. How to Jump Start a Car

WARNING! This device is suitable only for 12V batteries. Ensure the jump starter has at least 75% charge before attempting to jump start a vehicle.

1. Open the hood of your car and locate the car battery.
2. Open the silicone stopper on the jump starter's DO Anti-reverse insert car starter port.
3. Insert the smart clamp connector deeply into the jump starter's port.
4. Connect the RED (+) clamp to the positive terminal of your car battery.
5. Connect the BLACK (-) clamp to the negative terminal of your car battery.
6. Once connected, the intelligent battery clamps' indicator light should turn green, and a buzzer may sound, indicating it's ready.
7. Go into your car and start the engine.
8. After the car starts, immediately remove the smart clamp connector from the jump starter.
9. Then, disconnect the BLACK (-) clamp from the car battery, followed by the RED (+) clamp.

Figure 2: Step-by-step guide for jump starting a car.

Important Notes for Jump Starting:

• Do not cycle the jump starter for more than 3 seconds per attempt.
• Pause for at least 1 minute between jump start attempts to allow the jump starter battery to cool down.
• After successfully jump-starting the vehicle, disconnect the jump starter from the battery within 30 seconds to prevent equipment damage.
• After starting the car, the jump starter itself may become warm. Do not charge the jump starter immediately; wait at least 8-10 minutes before charging.

4.2. How to Use as a Power Bank

The jump starter can charge portable electronic devices such as mobile phones, tablets, portable gaming systems, digital cameras, and any other USB 5V powered electronic devices.

1. Connect your device's USB charging cable to one of the USB output ports on the jump starter (5V/2A or 5V/3A 9V/2A 12V/1.5A).
2. Connect the other end of the cable to your electronic device.
3. Short press the ON/OFF button on the jump starter to begin charging your device.

Figure 3: Using the jump starter as a power bank to charge various devices.

4.3. How to Use the LED Emergency Light

The built-in LED flashlight offers multiple modes for illumination and emergency signaling.

1. To turn on the flashlight: Press and hold the ON/OFF button for 3 seconds. The LED will turn on in