USB Nano Aquarium 10W Heater with Thermostat

Keep your nano aquarium safely heated with the Castle Dawn Aquatics USB Ceramic Heater with Thermostat. Designed for small tanks and desktop aquariums, this compact heater provides stable, adjustable temperature control while remaining fully submersible and energy efficient. Perfect for Betta tanks, shrimp aquariums, fry setups, and nano aquascapes.

With its USB power capability, it can run from a power bank during outages, offering emergency protection for your fish, something most standard heaters cannot do.

Key Features and Important Notes:

• What’s Included:
  – 1 × USB Ceramic Heater with Built-In Thermostat
  – 1 × Suction Cup Mount
  – 1 × Instruction Sheet
• Size:
  Heater Rod Size: 5 × 0.9 cm
  Size in inches: 1.97 × 0.35 inches
  USB Cable Length: 96 cm (37.8 inches)
• Adjustable Thermostat:
  Allows precise temperature control for stable heating.
• USB Powered:
  Can be powered by standard USB adaptors or power banks during emergencies.
• Ceramic Heating Core:
  Provides fast, stable, and even heating.
• Safety Information:
  Tested to heat water to 28°C ± 2°C in environments above 15°C.
  If the room temperature is 5°C lower, choose the next wattage up.
  The minimum usage environment must not drop below 0°C.
• Suitable For:
  Betta fish, shrimp, nano aquariums, fry tanks, desktop aquascapes.
• Warranty: 1 Year Warranty (T&Cs apply).
• Safety Notice:
  Low-cost heaters from platforms like Temu have been reported to crack, explode, or fail within weeks. All Castle Dawn Aquatics heaters are QC and QA tested for safe, reliable performance. Backed by a 1-Year warranty.