USB Mini Aquarium Heater – 75mm Metal Heating Rod for Fish Tank

USB Mini Aquarium Heater – Compact Metal Heating Rod for Small Fish Tanks

Keep your aquatic friends comfortable and thriving with this compact 75mm USB Aquarium Heating Rod. Designed for small fish tanks and bowls (2–3 litres), this sleek black metal heater delivers fast, uniform heat distribution in a lightweight, easy-to-use form factor. Simply plug it into any USB power source and let it quietly maintain a stable water temperature — no complicated setup required.

Key Features

• Fast & Even Heating: Rapid heat-up speed with uniform heat dissipation throughout the water column.
• USB-Powered Convenience: Compatible with any standard USB power adapter or power bank — no dedicated power outlet needed.
• Wide Voltage Compatibility: Works on 100V–240V / 50–60 Hz, making it suitable for use worldwide.
• Fully Waterproof & Durable: Smooth, non-fading metal construction resists corrosion and is simple to clean.
• Compact & Portable: At just ~78mm long, this heater is ideal for desktop tanks, betta bowls, shrimp tanks, and travel setups.
• Ideal Water Volume: Designed for tanks with 2–3 litres of water for best performance.

Specifications

• Size: Approx. 78mm (75mm heating element)
• Color: Black
• Voltage: 100V–240V / 50–60 Hz
• Connection: USB plug
• Suitable Water Volume: 2–3 Litres
• Country of Origin: Made in Mainland China

Package Contents

• 1 × Aquarium Heating Rod (USB)

Important Usage Notes

• Always ensure the heating rod is fully submerged in water before powering on.
• Turn off and unplug the heater before cleaning your fish tank or the heating rod itself.
• Not suitable for large aquariums — best results in 2–3 litre tanks.
• Manual measurement may result in minor dimensional variations; refer to the actual product for precise dimensions.
• Actual colour may vary slightly from images depending on your display settings.

Related Products You May Like

• 1.4W Solar Bird Bath Fountain Pump – Pond, Garden & Fish Tank
• 1.4W Solar Bird Bath Fountain Pump – 6 Nozzles & 4 Bars

For more information on responsible aquarium keeping and water quality for fish, visit the U.S. Environmental Protection Agency – WaterSense.

Frequently Asked Questions

Q: What size aquarium is this USB mini heater suitable for?

A: This compact aquarium heating rod is designed for small tanks and bowls with a water volume of approximately 2–3 litres. It is ideal for betta fish tanks, shrimp bowls, desktop nano aquariums, and similar small setups. It is not recommended for larger aquariums.

Q: Does the USB aquarium heater need a special adapter, or will any USB port work?

A: This heater uses a standard USB plug and is compatible with most USB power adapters, laptop USB ports, and power banks. Its wide voltage range (100V–240V / 50–60 Hz) also makes it suitable for use in multiple countries with the appropriate adapter.

Q: Is it safe to leave the aquarium heater running continuously?

A: Always ensure the heating rod is fully submerged in water while it is powered on. Never run it out of water, as this could cause overheating or damage. Turn off and unplug the heater before performing any maintenance on your tank or the rod itself. Monitor your tank's water temperature regularly for best results.