Petbank CY-109
Petbank Automatic Fish Feeder
Model: CY-109
Introduction
Thank you for choosing the Petbank Automatic Fish Feeder. This device is designed to provide precise and timely feeding for your aquarium fish, ensuring their well-being even when you are away. With its moisture-proof design, customizable feeding schedule, and USB rechargeable battery, it offers convenience and reliability for all fish enthusiasts.

Image: The Petbank Automatic Fish Feeder, showing its circular design with multiple food compartments, an LCD display, and control buttons. Two goldfish are depicted below, along with a USB-C charging cable and a small spoon.
Safety Information
- Keep the device away from direct water immersion. It is moisture-resistant, not waterproof.
- Ensure the feeder is securely mounted to prevent it from falling into the aquarium.
- Do not attempt to disassemble or repair the device yourself. Contact customer support if issues arise.
- Use only the provided Type-C charging cable or a compatible charger. Avoid chargers rated greater than 2 amps output, as this may prevent charging.
- This feeder is not suitable for flake food or live shrimps, as they may cause clogging or spoilage.
Package Contents
- Petbank Automatic Fish Feeder (Model CY-109)
- Adjustable Clamp Base
- Suction Cups
- Type-C USB Charging Cable
- Small Feeding Spoon
Product Overview
The Petbank Automatic Fish Feeder features a circular design with 16 individual compartments for precise food dispensing. It includes an LCD display for easy programming and monitoring.

Image: A detailed diagram showing the various buttons and display elements on the feeder: Power Button, Power Display, Clock Setting, Feeding Time Setting, Feeding Circle Number Setting, Feeding Interval Setting, Manual Button, Setting Button, '+' Button, and '-' Button.
Key Features:
- Accurate Food Amount: 16 grids in total, providing 15 individual meals. Each grid holds up to 2g of food.
- Moisture-Resistant Design: Fully sealed to keep food dry, with an automatic closing opening after each feeding.
- Customized Feeding Time: Program up to 3 feedings per day, with a maximum of 3 grids per feeding. Set feeding intervals from 0 to 4 days.
- USB Rechargeable: 700mAh built-in battery, fully charged in 3 hours, lasting 1 to 2 months.
- Smart Memory Function: Settings are retained even after power loss.

Image: An exploded view diagram illustrating the triple seal design: 1. Sealing Top Cover with spiral rotation for moisture-proofing, 2. Separate Meal Bin to keep each feed fresh, and 3. Automatic Bin Door that closes after feeding to prevent air entry.

Image: The feeder surrounded by different types of granular and pellet fish food, indicating its compatibility with most dry food types. A note specifies it's not for flakes or shrimps.
Setup
1. Initial Charging
Before first use, fully charge the feeder for at least 3 hours using the provided Type-C USB cable. The battery indicator on the LCD display will show charging status.

Image: The Petbank feeder with a hand plugging in a USB-C charging cable. Text indicates a 700mAh built-in battery, 3 hours charging time, and 1-2 months battery life after full charge. A tip advises charging for 10+ hours before first use.
2. Filling Food Compartments
Rotate the top cover to expose the 16 individual food compartments. Use the included small spoon to fill each compartment with the desired amount of dry fish food. Each compartment holds up to 2g. Do not store food in the outlet compartment.

Image: A top-down view of the feeder with its lid open, revealing the 16 individual food compartments. An arrow indicates the rotation for opening. A warning states not to store food at the outlet compartment and not to use flakes or shrimps.
3. Installation Methods
The feeder offers two installation options to suit different aquarium types:
- Mode 1 - Clamp Base (for open-top tanks): Attach the adjustable clamp base to the feeder. Mount it securely to the edge of your open-top aquarium.
- Mode 2 - Suction Cups (for closed-top tanks): Attach the suction cups to the feeder. Stick it onto the tank cover, ensuring the feeder's outlet aligns with the feeding hole.

Image: Two diagrams illustrating the installation methods. Mode 1 shows the feeder mounted with a clamp on an open-top tank. Mode 2 shows the feeder attached with suction cups to a closed-top tank lid.
Operating Instructions
The LCD display and control buttons allow for easy programming of feeding schedules.
Video: An official product video from Petbank demonstrating the features and operation of the Automatic Fish Feeder CY109. This video provides a visual guide to setting up and using the device.
Basic Operation Steps:
- Power On: Press the power button to turn on the device.
- Clock Setting: Long press the 'Setting' button for 3 seconds until the number starts to flash. Press '+' or '-' to set the hour/minute, then press 'Setting' to save.
- Feeding Time Setting: Following clock setting, press the 'Setting' button. The timer number will flash. Press '+' or '-' to set the feeding time. Repeat for up to 3 feeding times.
- Feeding Circle Number Setting: Following feeding time setting, press the 'Setting' button. The dot will start to flash. Press '+' or '-' to set feeding circles from 1 to 3 times (number of grids to dispense).
- Feeding Interval Setting: Press 'Setting' and 'Manual' buttons simultaneously to set the feeding interval from 0 to 4 days.
- Manual Feeding: Press the 'Manual' button to dispense food instantly.
- Shortcut Setting: Long press the 'Manual' button for 5 seconds to set the feeding time at 8:00 and 20:00. Long press the 'Power' button for 5 seconds to delete all previous settings.

Image: A visual guide showing six panels detailing the steps for Clock Setting, Feeding Time Setting, Feeding Circle Number Setting, Feeding Interval Setting, Manual Setting, and Shortcut Setting on the feeder's LCD display.
Maintenance
Cleaning:
- The feeder is designed for easy cleaning. Disconnect it from the aquarium before cleaning.
- Wipe the exterior with a damp cloth. Do not submerge the main unit in water.
- The food compartments can be gently wiped clean. Ensure they are completely dry before refilling with food.
- Regularly check the food outlet for any blockages and clear them carefully.
Battery Care:
- Recharge the battery when the low battery indicator appears on the LCD display.
- Avoid completely draining the battery frequently to prolong its lifespan.
- If storing the feeder for an extended period, charge it fully before storage and recharge every few months to maintain battery health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Feeder not dispensing food. | Food jammed; low battery; incorrect settings. | Check for blockages in the outlet; recharge battery; verify feeding schedule and circle number settings. |
| Food getting wet or clumping. | Improper lid sealing; high humidity; incorrect food type. | Ensure the top cover is tightly sealed; avoid placing in excessively humid environments; do not use flake food or shrimps. |
| Device not charging. | Faulty cable/charger; charger output too high. | Try a different Type-C cable and charger; ensure charger output is not greater than 2 amps. |
| Settings are lost after power off. | This should not happen due to smart memory function. | Ensure the device was not reset (long press of power button); contact customer support if issue persists. |
Specifications
- Model: CY-109
- Dimensions: 5.47 x 5 x 3.35 inches
- Weight: 0.4 Kilograms (14.1 ounces)
- Material: Plastic
- Battery: 700mAh Lithium Ion (included)
- Charging Time: Approximately 3 hours
- Battery Life: 1 to 2 months (after full charge)
- Feeding Capacity: 16 compartments, 15 individual meals (up to 2g per grid)
- Max Feedings per Day: 3
- Feeding Interval: 0-4 days
- Noise Level: Ultra quiet (approx. 38dB during operation)
- Country of Origin: China

Image: A diagram illustrating the ultra-quiet operation of the feeder, showing its dimensions (11.5cm diameter, 4.5cm height) and a noise level of 38dB, which is comparable to a whisper.
Warranty and Support
This product comes with a standard manufacturer's warranty. For warranty claims, technical support, or any questions regarding your Petbank Automatic Fish Feeder, please refer to the contact information provided with your purchase or visit the official Petbank website.
Manufacturer: Petbank
ASIN: B0BRCWP16K
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