Precise Temperature Control
Guarantees a stable 26°C environment for aquatic life.
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Why customers love it
Maintain perfect aquatic temperatures effortlessly
Ensure your delicate aquatic life thrives with the precise, constant temperature control provided by this compact USB heater.
- Automatically maintains a steady 26°C for optimal aquatic health.
- Powered by convenient 5V USB, perfect for travel and portable setups.
- Features built-in safety protection against overheating.
- Ultra-compact design fits even the smallest tanks.
- Clear visual indicators guide you instantly to the right temperature.
Keep Your Aquatic Pets Safe and Happy
Portable Power
Runs directly off standard USB chargers and power banks.
Built-in Safety
Features high-temperature protection to prevent damage.
Space Saving Design
The 52mm size fits perfectly into tiny tanks and bowls.
Setup
Achieve perfect water temperature in 3 simple steps
Easy setup for any small aquarium or pet dispenser.
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Prepare the unit
Ensure the heater is clean and ready for use.
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Connect the power
Plug the unit into a 5V USB source, such as a phone charger.
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Set and observe
Select the desired power setting and watch the indicator lights confirm the target temperature has been reached.
Key Specifications
Technical Details
What you need to know about the heater.
- Target Temperature
- 26°C Constant
- Power Supply
- 5V USB
- Construction Material
- Quartz Glass
- Design Size
- 52 mm
- Suitable Tank Size
- As low as 2 liters
More details
Keep your small aquarium or pet water dispenser at the perfect temperature with this compact, submersible USB heater. Designed for tanks as small as 2 liters, it automatically maintains a steady 26°C to ensure your aquatic pets stay comfortable and healthy.
- Automatic constant temperature control with built-in high-temperature protection for safety
- Convenient 5V USB power supply—works with standard phone chargers or portable power banks
- Clear visual indicators: red light during heating, green when target temperature is reached
- Durable quartz glass construction for reliable and safe operation underwater
- Ultra-compact 52 mm design fits in tanks with water levels as low as 2 cm
- Ideal for small freshwater or saltwater aquariums, betta bowls, and pet water dispensers
Perfect for small tanks, travel setups, or as a supplemental heat source in larger aquariums.
Frequently Asked Questions
Answers to common user inquiries.
Is this heater safe for saltwater aquariums?
Yes, the unit is designed for reliable operation and includes built-in high-temperature protection to ensure safety during use.
Can I use this with a standard phone charger?
Yes, it is powered by a 5V USB supply, making it compatible with standard phone chargers or portable power banks.
How do I know if the temperature is correct?
The unit features clear visual indicators: a red light shows it is heating, and a green light confirms that the target temperature has been successfully reached.
Is it suitable for larger tanks?
This heater is ideal for small tanks, betta bowls, and pet dispensers. It is best suited for smaller setups where precise temperature maintenance is critical.
How do delivery and returns work?
Shipping
Free standard shipping
To United States: 1–3 business days processing, then 7–15 business days in transit. Estimates, not guaranteed dates.
Your dispatch email includes a tracking link. Contact us if it has not arrived within 5 business days of ordering.
Outside the EU, import duties and local taxes may be payable on delivery. See the shipping policy for supported destinations and conditions.
Returns
Request a return within 14 days of delivery. Standard eligible returns must meet the policy conditions; a €4 prepaid-label fee is deducted from the refund. Return shipping is free for faulty, damaged or incorrect items. Contact us promptly if something is wrong. Your mandatory consumer rights are unaffected.
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