---
product_id: 563769201
title: "Small Aquarium Heater,Submersible Adjustable Mini Fish Tank Heater 10W,Betta Heater with External Temperature Controller,LED Temperature Display, Used for 1-2 Gallon"
brand: "jahea"
price: "265 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/563769201-small-aquarium-heater-submersible-adjustable-mini-fish-tank-heater-10w
store_origin: DK
region: Denmark
---

# 10W power Safety features 64-93°F range Small Aquarium Heater,Submersible Adjustable Mini Fish Tank Heater 10W,Betta Heater with External Temperature Controller,LED Temperature Display, Used for 1-2 Gallon

**Brand:** jahea
**Price:** 265 kr
**Availability:** ✅ In Stock

## Summary

> 🐟 Keep it cozy, keep it cool!

## Quick Answers

- **What is this?** Small Aquarium Heater,Submersible Adjustable Mini Fish Tank Heater 10W,Betta Heater with External Temperature Controller,LED Temperature Display, Used for 1-2 Gallon by jahea
- **How much does it cost?** 265 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/563769201-small-aquarium-heater-submersible-adjustable-mini-fish-tank-heater-10w)

## Best For

- jahea enthusiasts

## Why This Product

- Trusted jahea brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Equipped with overheating and out-of-water protection to keep your aquatic friends safe.
- • **Versatile Use:** Perfect for fresh and marine water, plus turtles and plant seedlings—one heater, endless possibilities!
- • **Compact Powerhouse:** The 10W heater is a game-changer for nano tanks, measuring just 2.36 inches!
- • **User-Friendly Design:** External controller allows for easy adjustments without getting wet—convenience at its best!
- • **Smart Temperature Control:** Enjoy precise heating with an accuracy of 1°F, thanks to Intelligent Frequency Conversion Technology.

## Overview

The Small Aquarium Heater is a 10W submersible heater designed for 1-2 gallon tanks, featuring an external temperature controller, LED display, and advanced safety mechanisms. Its compact size and intelligent technology make it ideal for both novice and experienced fish keepers.

## Description

Small Aquarium Heater,Submersible Adjustable Mini Fish Tank Heater 10W,Betta Heater with External Temperature Controller,LED Temperature Display, Used for 1-2 Gallon

## Features

- 🐠Super Mini Size - 10W small aquarium heater is “thumb size” - only 2.36” (6cm) in length. Great for nano tanks / betta tanks. The innovative super mini size perfectly solves the headache of the fish keepers on the traditional heaters! Takes up less space, easy to hide, but in full power! Temperature range is 64-93°F, for 1-2 Gallon tanks.
- 🐟Automatic Constant Temperature - Thanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant with an accuracy of 1℉. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. Compare to traditional heater, this new technology will cut down electricity bill for you.
- 🐡Overheating Protection, Out of Water Protection - Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level or when the water temperature exceeds 97°F. You are free from “cooking fish”!（Note: The heater must be fully submerged when in use!）
- 🐙External Controller and Memory Function - External temperature controller, no need to get your hands wet, no need to buy other controllers, 52 inch long power cord, strong suction cups, easy to install., easy to control.The last setting is stored in the thermostat. Dual built-in temperature sensor,in case of a power cut, when the power recovers the heater will follow the last setting.
- 🐢Multi-purpose – This heater can be used for both fresh and marine water. It can be not only used as an aquarium heater, but can also work for turtles, pet fountains, and plant seedling.

## Images

![Small Aquarium Heater,Submersible Adjustable Mini Fish Tank Heater 10W,Betta Heater with External Temperature Controller,LED Temperature Display, Used for 1-2 Gallon - Image 1](https://m.media-amazon.com/images/I/71nwHm5eFfL.jpg)

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**Shop now:** [https://www.desertcart.dk/products/563769201-small-aquarium-heater-submersible-adjustable-mini-fish-tank-heater-10w](https://www.desertcart.dk/products/563769201-small-aquarium-heater-submersible-adjustable-mini-fish-tank-heater-10w)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-01*