USB Mini Aquarium Heater 10W – 26°C Constant Temp Submersible
USB Mini Aquarium Heater 10W – 26°C Constant Temp Submersible
Keep Your Fish Tank at the Perfect Temperature — Automatically
The HOMEFISH USB Mini Aquarium Heating Rod is a compact, submersible thermostat heater designed for small fish tanks, turtle enclosures, and pet water dispensers. At just 8.5 cm long — roughly the size of your thumb — it delivers reliable 26°C constant temperature heating for up to 2.5L of water, powered conveniently via a standard USB port. Made in Mainland China.
Key Features
- Automatic Constant Temperature: Maintains a steady 26°C with built-in high-temperature protection — no manual adjustments needed.
- USB Powered: Connects directly to a mobile phone charger (5V 2A) or a power bank for flexible placement anywhere in your home.
- Explosion-Proof Quartz Material: Safe, durable quartz glass construction gives you peace of mind while keeping your aquatic pets comfortable.
- Ultra-Compact Design: The 52 mm heating element fits neatly into small tanks without cluttering your aquascape.
- Works in as Little as 2 cm of Water: Suitable for fresh water, saltwater tanks, turtle habitats, and pet water feeders.
- Indicator Lights: Red light signals active heating; green light indicates the set temperature of 26°C has been reached and the heater has paused — no digital screen needed.
Specifications
- Main Body Size: 8.5 × 1.8 cm
- Power Cord Length: 1.2 m
- Temperature Setting: 26°C (constant)
- Power: 10W
- Input: 5V 2A (USB)
- Suitable for: Up to approx. 2.5L water capacity
- Compatible Environments: Freshwater, saltwater, pet feeders
Important Usage Notes
- Always use a 5V 2A charger for power supply — insufficient current will prevent proper heating.
- This heater is optimized for approximately 2L–2.5L water capacity.
- For larger tanks (e.g. 4L), you may use two heaters simultaneously — but each must be connected to its own USB port/charger for best results. Do not run two heaters from one multi-port charger at the same time.
- This product does not include an LED screen or digital temperature display.
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Learn more: U.S. Fish and Wildlife Service
Frequently Asked Questions
Q: What size fish tank is the USB Mini Aquarium Heater suitable for?
A: This submersible aquarium heater is designed for small fish tanks and pet water dispensers with approximately 2L–2.5L of water capacity. For tanks up to 4L, you can use two heaters simultaneously, each connected to its own dedicated USB charger or power source.
Q: Does the aquarium heater have a digital temperature display?
A: No, this heater does not feature an LED screen or digital display. It uses a simple indicator light system: a red light shows it is actively heating, and a green light indicates the water has reached the constant set temperature of 26°C and the heater has automatically paused.
Q: Can I power this fish tank heater with a power bank?
A: Yes! The USB plug is compatible with any standard 5V 2A USB power source, including mobile phone chargers and power banks. Just make sure your charger meets the 5V 2A specification — a lower-current charger may result in insufficient heating.
Q: Is this heater safe to use in saltwater aquariums?
A: Yes, the HOMEFISH Mini Heating Rod is made from explosion-proof quartz glass material and can be used safely in both freshwater and saltwater fish tanks, as well as turtle habitats and pet water feeders.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.