1. Introduction
Thank you for choosing the Daiwa Seaborg G400J Electric Reel. This advanced electric reel is designed for serious anglers, offering powerful performance, lightweight design, and compatibility with electric jigging. To ensure optimal performance and longevity of your reel, please read this manual thoroughly before use. This guide covers essential information regarding setup, operation, maintenance, and troubleshooting.

Image 1: Angled view of the Daiwa Seaborg G400J Electric Reel, showcasing its compact design and gold accents.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the reel:
- Power Connection: Ensure the power cord is securely connected to a compatible 12V DC power source. Incorrect voltage or loose connections can damage the reel or cause electrical hazards.
- Water Exposure: While the reel is designed for marine environments, avoid submerging the reel or exposing electrical connections to excessive water. Always wipe the reel dry after use.
- Moving Parts: Keep fingers, clothing, and other objects clear of all moving parts, especially the spool and handle, during operation to prevent entanglement or injury.
- Line Tension: Be aware of the line tension, especially when fighting large fish or using the electric winding function. Excessive tension can cause line breakage or reel damage.
- Children: Keep the reel out of reach of children. This is not a toy and requires adult supervision for safe operation.
- Maintenance: Disconnect the power source before performing any maintenance or cleaning.
3. Package Contents
Verify that all items are present in the package:
- Daiwa Seaborg G400J Electric Reel
- Reel bag
- Threading pin
- Stand cover
- Fall brake dial seals x 2 (one piece is extraordinary)
- Super power cord (black)
- Pocket manual (this document)
4. Setup
4.1 Attaching the Reel to a Rod
- Align the reel foot with the reel seat on your fishing rod.
- Tighten the reel seat nuts securely to prevent any movement during fishing. Ensure the reel is firmly attached.
4.2 Spooling Fishing Line
The Seaborg G400J is compatible with various line types and capacities. Refer to the specifications for recommended line weights and lengths.
- PE Line Capacity: 3-500m, 4-400m, 5-300m, 6-230m
- Nylon Line Capacity: 6-300m, 7-230m
- Pass the fishing line through the rod guides and tie it securely to the reel spool.
- Engage the drag and begin winding the line onto the spool, ensuring even distribution. Avoid overfilling the spool.
4.3 Connecting Power
Use the provided Super Power Cord to connect the reel to a 12V DC power source (e.g., a boat battery).
- Ensure the power source is off before connecting.
- Connect the power cord securely to the reel's power port.
- Connect the other end of the power cord to the 12V DC power source, observing correct polarity.
- Once connected, turn on the power source. The reel's display should illuminate.

Image 2: Side view of the Daiwa Seaborg G400J Electric Reel, showing the power connection port and reel foot.
5. Operating Instructions
5.1 Basic Operation

Image 3: Close-up view of the Daiwa Seaborg G400J Electric Reel's digital display and control buttons (PICKUP, RESET, MEMO, MODE) and JOG Power Lever.
- Power On/Off: The reel powers on automatically when connected to a 12V DC source. Disconnect power to turn off.
- Line Release: Push the clutch lever to release the spool and allow line to run out.
- Manual Winding: Use the handle for manual retrieval.
- Electric Winding: Use the JOG Power Lever to control the electric winding speed. Push forward to increase speed, pull back to decrease.
5.2 JOG Power Lever
The JOG Power Lever provides intuitive, single-hand control over winding speed and power. Push the lever forward to increase winding speed and power, and pull it back to reduce. This allows for precise control during retrieves and fighting fish.
5.3 Drag System
The reel features a powerful drag system with a maximum drag force of 16 kg (approx. 35.3 lbs). Adjust the drag knob to set the desired tension. Always set the drag appropriate for your line strength and target species.
5.4 Display Functions
- PICKUP: Used to retrieve line at a preset speed or to engage specific functions.
- RESET: Resets certain display values, such as line counter or depth.
- MEMO: Stores or recalls specific settings or depth information.
- MODE: Cycles through different display modes or settings.
5.5 Electric Jigging Compatibility
The Seaborg G400J is designed to be compatible with electric jigging techniques. Utilize the JOG Power Lever and various mode settings to achieve desired jigging patterns and retrieve speeds. Experiment with settings to find the most effective presentation for your fishing conditions.
6. Maintenance
Proper maintenance ensures the longevity and performance of your electric reel.
- Cleaning: After each use, especially in saltwater, rinse the reel thoroughly with fresh water. Do not use high-pressure spray. Wipe dry with a soft cloth.
- Lubrication: Periodically apply a small amount of reel oil to moving parts and grease to gears as recommended by Daiwa. Refer to the detailed service manual for specific lubrication points.
- Storage: Store the reel in a cool, dry place, away from direct sunlight and extreme temperatures. Use the provided reel bag for protection.
- Power Cord Care: Inspect the power cord for any signs of damage before and after each use. Store the cord neatly to prevent kinks or fraying.
7. Troubleshooting
If you encounter issues with your Daiwa Seaborg G400J, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Reel does not power on. | Loose power connection, dead battery, incorrect polarity. | Check power cord connections. Ensure battery is charged and connected with correct polarity. |
| Electric winding is weak or inconsistent. | Low battery voltage, motor obstruction, internal issue. | Charge or replace battery. Check for line or debris obstructing the spool/motor. If problem persists, contact support. |
| Display is blank or flickering. | Loose power connection, moisture in display, internal fault. | Check power connections. Ensure reel is dry. If issue continues, seek professional service. |
| Line counter is inaccurate. | Incorrect line setting, debris in sensor. | Refer to the detailed manual for line setting calibration. Clean any visible debris around the line guide. |
For issues not listed here or if solutions do not resolve the problem, please contact Daiwa customer support.
8. Specifications
Key specifications for the Daiwa Seaborg G400J Electric Reel:
| Feature | Detail |
|---|---|
| Model Name | Seaborg G400J |
| Hand Orientation | Right Hand (G400J), Left Hand (G400JL) |
| Item Weight | 0.6 kg (600 g) |
| Gear Ratio | 6.0 |
| Winding Length (per rotation) | 83 cm (32.7 inches) |
| Maximum Drag Force | 16 kg (approx. 35.3 lbs) |
| Maximum Winding Force | 49 kg (89.2 lbs) |
| Normal Winding Speed (1kg Load) | 146 m/min |
| Standard PE Line Capacity | No. 3-500m, No. 4-400m, No. 5-300m, No. 6-230m |
| Standard Nylon Line Capacity | No. 6-300m, No. 7-230m |
| Bearing Material | Stainless Steel |
| Included Components | Reel bag, threading pin, stand cover, fall brake dial seals, Super power cord (black), Pocket manual |
| Special Features | Lightweight, High Power, TOUGH LIGHT MONSTER² Compatible with Electric Jigging |

Image 4: Detailed specifications table for Daiwa Seaborg G400J and G400JL models, including winding length, gear ratio, weight, drag, and line capacities.
9. Warranty Information
Daiwa products are manufactured to high standards and are covered by a limited warranty against defects in materials and workmanship. The specific terms and duration of your warranty may vary by region and purchase date. Please retain your proof of purchase for warranty claims.
For detailed warranty information, please refer to the warranty card included with your product or visit the official Daiwa website.
10. Customer Support
If you require assistance, have questions about your Daiwa Seaborg G400J Electric Reel, or need to arrange for service, please contact Daiwa customer support.
- Online: Visit the official Daiwa website for FAQs, product registration, and contact forms.
- Phone: Refer to the contact information provided on the Daiwa website for your specific region.
When contacting support, please have your reel's model number (G400J) and purchase information readily available.







