1. Introduction
This manual provides essential instructions for the safe and efficient use of your SEESII Floating Water Pump CLP020C-5. This battery-powered, cordless water transfer pump is designed for various drainage and water transfer tasks, featuring a smart floating design, a flow rate of 720 gallons per hour (GPH), and dual 21V 4000 mAh batteries for extended operation. Its portable and waterproof construction makes it suitable for pools, ponds, RVs, boats, and garden applications.
2. 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.
- Always ensure the battery compartment is securely locked before placing the pump in water.
- Do not operate the pump with damaged batteries or charger.
- Avoid pumping highly corrosive, flammable, or explosive liquids.
- This pump is designed for clean water applications. Avoid pumping sandy or muddy water to prevent damage to internal components.
- While saltwater-resistant, this pump is not compatible with chemical-treated water (e.g., chlorine/bromine pools, industrial solutions).
- Keep hands, feet, and loose clothing away from the pump intake during operation.
- Use the provided safety rope to secure the pump in deep or flowing water.
3. Package Contents
Verify that all items listed below are included in your package:
- SEESII Floating Water Pump Unit
- 2 x 21V 4000 mAh Lithium-Ion Batteries
- Battery Charger
- 6.56 ft Anti-Kink PPC Hose with Quick-Connect Fittings
- 10-meter Nylon Safety Rope
- Instruction Manual
4. Setup
4.1 Charging the Batteries
Before first use, fully charge both 21V 4000 mAh Lithium-Ion batteries. Connect the charger to a standard power outlet and then to the barrel connector on each battery. The charging indicator on the battery will show its status. A full charge typically takes approximately 2 hours per battery.
4.2 Installing the Battery
- Open the dual-lock battery compartment on the top of the pump by pulling down the orange latch and pressing the release button.
- Insert a charged 21V 4000 mAh battery into the compartment. Ensure it clicks securely into place.
- Close the battery compartment lid and engage both the primary rubber gasket and the secondary mechanical latch for a watertight seal.

Image: A hand inserting a 21V 4000 mAh battery into the top compartment of the blue and black SEESII floating water pump, demonstrating the battery installation process.
4.3 Attaching the Hose
- Locate the 3/4" threaded outlet on the side of the pump.
- Connect the provided 6.56 ft anti-kink PPC hose using its quick-connect fittings. Alternatively, a standard garden hose can be threaded onto the outlet.
- Ensure all connections are tight to prevent leaks.

Image: A hand connecting the clear anti-kink hose to the 3/4-inch threaded outlet of the blue SEESII floating water pump, showing the quick-connect mechanism.
4.4 Positioning the Pump
Place the pump directly into the water source. Its smart floating design will automatically adjust to the water level. For deeper or flowing water, attach the 10-meter nylon safety rope to the designated ring on the pump's side to secure its position.

Image: The blue SEESII floating water pump floating on the surface of a swimming pool, with its intake submerged, demonstrating its floating capability.
5. Operating Instructions
5.1 Powering On/Off
Once the battery is installed and the pump is positioned in water, press the power button located on the side of the battery compartment to start the pump. Press the button again to turn it off.
5.2 Applications
The SEESII Floating Water Pump is versatile and can be used for:
- Pool Drainage: Efficiently drain inflatable pools or reduce water levels in larger pools.
- Pond Maintenance: Clean backyard ponds by transferring water.
- Garden Irrigation: Use collected water from rain barrels or ponds to water gardens.
- Basement/Window Well Dewatering: Remove standing water from flooded basements or window wells.
- RV/Boat Use: Transfer water for RV tanks or remove bilge water from boats.

Image: A collage showing the SEESII floating water pump being used for irrigation, water delivery, fish tank water change, boat bilge water removal, and garden rain barrels.
5.3 Video Demonstration
Video: Official demonstration of the SEESII Floating Water Pump in various scenarios, highlighting its cordless operation and versatility.
6. Maintenance
- Cleaning: Regularly inspect and clean the pump intake to prevent blockages from debris.
- Battery Care: Store batteries in a cool, dry place. Do not expose them to extreme temperatures. Fully charge batteries before long-term storage.
- Hose Care: After use, rinse the hose with clean water and store it coiled to prevent kinks.
- Storage: When not in use, ensure the pump is clean, dry, and stored in a safe place away from direct sunlight and extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | Battery not charged or improperly installed | Ensure battery is fully charged and securely inserted into the compartment. Check dual-lock mechanism. |
| Low water flow | Clogged intake or kinked hose | Check pump intake for debris and clear any blockages. Ensure the hose is not kinked or obstructed. |
| Water leakage from battery compartment | Improperly sealed battery compartment | Ensure the battery compartment lid is closed correctly and both dual-lock latches are engaged, creating a watertight seal. |
| Pump stops unexpectedly | Battery depleted | Replace with a fully charged battery. |
8. Specifications
- Brand: Seesii
- Model Number: CLP020C-5
- Power Source: Battery Powered (2 x 21V 4000 mAh Lithium-Ion)
- Maximum Flow Rate: 12 Gallons Per Minute (720 GPH)
- Maximum Lifting Height: 25 Feet
- Outlet Size: 3/4" Threaded
- Item Weight: 7.7 Pounds
- Product Dimensions: 7.9"L x 7.9"W x 12.8"H
- Material: Acrylonitrile Butadiene Styrene (ABS)
- Waterproof Rating: IPX8
9. Warranty & Support
The SEESII Floating Water Pump CLP020C-5 comes with a 3-Year Hassle-Free Warranty, ensuring long-lasting performance and reliability. For warranty claims, technical support, or any inquiries regarding your product, please contact SEESII customer service through the retailer's platform or visit the official SEESII website for contact information.