Introduction
Thank you for choosing the LITTLE BALANCE 8709 Happy Genius 10 Kitchen Scale. This digital kitchen scale is designed for precision weighing of food ingredients up to 10 kg, featuring a unique battery-free USB rechargeable system for environmental sustainability and convenience. Its durable tempered glass platform and clear LCD display make it an essential tool for any kitchen. Please read this manual carefully before use to ensure proper operation and maintenance.
Safety Information
- Do not immerse the scale in water or other liquids.
- Clean the scale with a damp cloth; do not use abrasive cleaners.
- Place the scale on a flat, stable surface for accurate measurements.
- Avoid dropping the scale or subjecting it to strong impacts.
- Do not overload the scale beyond its maximum capacity of 10 kg.
- Keep out of reach of children.
Product Features
- Green Power USB Technology: Operates without traditional batteries, rechargeable via USB.
- Long Battery Life: A 3-hour charge provides approximately 6 months of use (500 weighings).
- Repairable Design: Battery is user-replaceable, promoting longevity and reducing waste. Spare parts available for 10 years.
- Clear Backlit LCD Display: Angled panel with anti-reflection for easy reading of bold, white, and clear digits.
- XXL Weighing Platform: 180 x 180 mm tempered glass surface, ideal for large containers and easy to clean.
- High Capacity & Accuracy: Measures up to 10 kg with 1 g accuracy.
- Tare Function: Allows weighing of multiple ingredients in the same container.
- Unit Conversion: Switch between grams (g), kilograms (kg), and liquid units (water and milk).
- Automatic Shutdown: Conserves power by turning off after 3 minutes of inactivity.
Package Contents
The package includes:
- LITTLE BALANCE 8709 Happy Genius 10 Kitchen Scale
- USB Charging Cable
- User Manual
Setup
Initial Charging
Before first use, fully charge the scale.
- Locate the USB charging port on the scale.
- Connect the provided USB cable to the scale and to a suitable USB power source (e.g., computer, USB wall adapter).
- Charge for approximately 3 hours until fully charged. The display may indicate charging status.

Image: USB charging cable. Connect the USB cable to the scale for charging.
Placement
Place the kitchen scale on a hard, flat, and stable surface to ensure accurate measurements. Avoid soft or uneven surfaces.

Image: Kitchen scale placed on a flat kitchen counter with ingredients. Ensure the scale is on a stable surface.
Operating Instructions
Power On/Off
- To turn on: Press the ON/TARE button. The display will show "0 g" when ready.
- To turn off: The scale will automatically shut down after 3 minutes of inactivity. You can also press and hold the ON/TARE button for a few seconds to manually turn it off.
Weighing Ingredients
- Place the scale on a flat, stable surface.
- Press the ON/TARE button to turn on the scale. Wait for "0 g" to appear.
- Place the item to be weighed directly onto the weighing platform. The weight will be displayed.
Tare Function
The tare function allows you to weigh multiple ingredients consecutively without removing the previous ones, or to weigh ingredients in a container by subtracting the container's weight.
- Place an empty container on the scale. The display will show its weight.
- Press the ON/TARE button. The display will reset to "0 g".
- Add the first ingredient to the container. The display will show the weight of the ingredient.
- To add another ingredient, press the ON/TARE button again to reset the display to "0 g", then add the next ingredient.
Unit Conversion
To change the unit of measurement:
- Press the UNIT button (usually located on the right side of the display).
- The display will cycle through available units: grams (g), kilograms (kg), water (ml), and milk (ml). Select your desired unit.

Image: Close-up of the scale's display and control buttons. The ON/TARE button is on the left, and the UNIT button is on the right.
Maintenance
Cleaning
- Wipe the scale surface with a soft, damp cloth.
- Do not use chemical or abrasive cleaning agents.
- Ensure the scale is dry before storage or next use.
Battery Replacement
The internal rechargeable battery is designed to be user-replaceable after many years of use. Spare batteries are available for up to 10 years.
- Turn off the scale and disconnect any charging cables.
- Carefully open the battery compartment, usually located on the underside of the scale.
- Disconnect the old battery and replace it with a new, compatible rechargeable battery.
- Close the battery compartment securely.
- Dispose of the old battery according to local regulations.

Image: Battery compartment with a rechargeable battery. The battery is designed for easy user replacement.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scale does not turn on. | Battery is depleted. | Charge the scale using the provided USB cable. |
| Inaccurate readings. | Scale is on an uneven surface; overloaded; or needs recalibration. | Place on a flat, stable surface. Ensure weight is within 10 kg limit. Turn off and on again. |
| Display shows "Err". | Scale is overloaded. | Remove items from the scale. Ensure total weight is below 10 kg. |
| Display is dim or flickering. | Low battery. | Recharge the scale. |
Specifications
- Model Number: 8709
- Brand: LITTLE BALANCE
- Maximum Weight Capacity: 10 kg
- Accuracy: 1 g
- Display Type: Backlit LCD
- Platform Material: Tempered Glass
- Product Dimensions: 23.8 x 17.3 x 1.7 cm
- Product Weight: 550 g
- Power Source: 1 Lithium-ion battery (included), USB rechargeable
- Special Features: Automatic shutdown, large display, precision balanced, backlit screen, tare function, unit conversion (g, kg, ml water, ml milk).
- Availability of Spare Parts (EU): 10 years

Image: Top-down view of the scale showing its dimensions (238mm x 173mm). This illustrates the compact size of the device.

Image: Technical diagram of the scale. This diagram points out key features such as the USB charging port, internal battery, and display.
Warranty and Support
LITTLE BALANCE is committed to providing high-quality products. This product is designed for durability and repairability.
- Battery Availability: Spare parts, including the rechargeable battery, are guaranteed to be available for 10 years within the EU.
- For support or warranty inquiries, please contact your retailer or visit the official LITTLE BALANCE website.

