SUNKKO D2524 25A Lithium Battery Module Equalizer & Analyzer User Manual

1. Introduction

The SUNKKO D2524 is a high-performance lithium battery module equalizer and analyzer designed for new energy vehicles. This device facilitates precise balancing and analysis of battery packs, supporting Li-ion, LiFePO4, and LTO battery types with 2-24 series strings. It features a 25A maximum equalization current, a 7-inch full-color touch screen, and mobile phone Bluetooth remote control for efficient and reliable battery maintenance.

2. Product Features

• High Current 24K Gold-Plated Connectors: Ensures high current equalization without overheating, supporting up to 50A.
• Professional Cooling System: Features a reasonable energy consumption discharge heat dissipation cooling system.
• High Power Alloy Heating Sheet: Utilizes an energy consumption discharge assembly for efficient operation.
• Physical Keyboard & Patented Swing Angle Panel: Provides shortcut operations and an adjustable display angle (0-45°) for ease of use in various scenarios.
• "BTV-TOP" Precision Detection Technology: Offers accurate battery cell terminal voltage detection with zero interference, achieving an equalization voltage difference accuracy of ±0.001V.
• External Charging Parameter Display: Allows monitoring of external charging parameters.
• High-Security Protection: Includes anti-reverse connection and wrong connection intelligent protection alarm devices.
• Dual Mode Equalization: Supports both pulse current and continuous current discharge equalization modes.
• Safety Cables: Equipped with safety flame retardant silicone heat-resistant high-power multi-core test cables and special clamps.
• Mobile Phone Remote Control: Connects via Bluetooth for remote monitoring and control of battery pack parameters.
• Adjustable Equalization Current: Range of 1.2A to 25A, equivalent to 42A equalization speed in continuous power mode.
• Special Cable Management Rack: Optimizes workflow, improves efficiency, and enhances safety by organizing cables.

3. Specifications

4. Setup

4.1. Unpacking and Inspection

Upon receiving your SUNKKO D2524, carefully unpack all components and inspect for any damage. The standard package includes:

• SUNKKO D2524 Equalizer & Analyzer Unit
• 24-channel output/input terminal (x1)
• XT-60 Interface (Battery Pack Input)
• Stylus Pen
• Power Cable

4.2. Connecting the Battery Module

1. Power Connection: Connect the provided power cable to the ACV INPUT port on the rear of the D2524 unit and then to a 220V power outlet.
2. Battery Pack Input: Use the XT-60 interface to connect the main power input from your battery pack to the D2524.
3. Cell Voltage Acquisition: Connect the 24-channel output/input terminal to the corresponding ports on the D2524 unit. Ensure each wire from the terminal is correctly connected to the individual cell voltage taps of your battery module. Refer to the wiring diagram on the device's screen or in the detailed images for precise connections.
4. Secure Connections: Ensure all connections are firm and secure to prevent accidental disconnections during operation. The gold-plated connectors are designed for high current and reliability.

4.3. Cable Management

Utilize the special cable management rack to keep the test cables organized. This prevents tangling, improves safety, and streamlines the repair process.

5. Operating Instructions

5.1. Power On and Initial Screen

After connecting the power, turn on the D2524. The 7-inch full-color touch screen will display the main parameters, including SOC (State of Charge), Total Voltage, High.V, Low.V, CHG Current, and Cell Diff.

5.2. Control Methods

• Touch Screen: Navigate through menus and adjust settings directly on the 7-inch touch screen using the stylus pen.
• Physical Keyboard: Use the independent physical keyboard for quick and reliable control, especially for critical functions like START/STOP.
• Mobile Phone Bluetooth Remote Control: Connect your smartphone via Bluetooth to remotely observe parameters, set, and control the equalizer. This allows for monitoring progress without needing to be directly in front of the machine.

5.3. Parameter Settings

Access the 'Parameters Set' menu to customize settings such as battery type (Li-ion/LiFePO4/LTO), number of strings (2-24S), equalization voltage difference, current limits, and equalization start control values. Ensure these parameters match your battery pack specifications for safe and effective operation.

5.4. Equalization Modes and Methods

The D2524 supports both pulse and continuous equalization modes, and can perform charge or discharge equalization.

• Discharge Equalization: The D2524 actively discharges higher voltage cells to balance them with lower voltage cells. This is useful for reducing voltage differences in a battery pack.
• Charge Equalization: Requires an external charger (not included) to charge the battery pack. The D2524 monitors and balances cells during the charging process, preventing overcharging of individual cells and ensuring a full, balanced charge.

5.5. Adjusting Equalization Current

The equalization current can be adjusted from 1.2A to 25A. This allows for flexibility based on the battery pack's condition and desired equalization speed. Higher currents are suitable for rapid discharge to reduce voltage in high-capacity packs, while pulse equalization is recommended for high-precision balancing when close to the target voltage.

5.6. Monitoring and Measurement

The D2524 allows for real-time monitoring of equalization current and other battery parameters. It can also calculate the battery's internal resistance by generating a voltage difference through continuous current discharge.

6. Maintenance

• Cleaning: Keep the device clean and free from dust and debris. Use a soft, dry cloth for cleaning the exterior and screen.
• Cable Care: Regularly inspect all cables for wear or damage. Ensure they are properly stored using the cable management rack to prevent kinks or breaks.
• Storage: Store the D2524 in a dry, cool environment away from direct sunlight and extreme temperatures when not in use.
• Software Updates: Check for any available software updates from the manufacturer to ensure optimal performance and access to new features.

7. Troubleshooting

• Alarm Device: The D2524 features a high-security anti-reverse connection and wrong connection intelligent protection alarm device. If an alarm sounds, immediately check all connections for correctness and polarity.
• No Power: Ensure the power cable is securely connected to both the unit and a functional 220V power outlet. Check the power switch on the rear of the unit.
• Display Issues: If the touch screen is unresponsive or displays errors, try restarting the device. Ensure the stylus pen is used correctly.
• Equalization Not Starting: Verify that all battery parameters are correctly set in the 'Parameters Set' menu. Check that the battery pack is properly connected and within the supported voltage range.
• Bluetooth Connection Issues: Ensure Bluetooth is enabled on your mobile phone and the D2524. Try restarting both devices and re-pairing.

For persistent issues, refer to the contact information in the 'Warranty and Support' section.

8. User Tips

No specific user tips were available from the provided reviews or Q&A content.

9. Warranty and Support

9.1. Warranty

The SUNKKO D2524 comes with a 3-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.

9.2. Technical Support

For technical assistance, troubleshooting, or any inquiries regarding your SUNKKO D2524, please contact the manufacturer or seller through the following channels:

• Whats-App: +86 158-0252-3190
• We-Chat: +86 158-0252-3190
• Email: 229-320-0068@qq.com

Please provide your product model (D2524) and a detailed description of the issue when contacting support to ensure a faster resolution.