WhichOne › electronics › battery › battery aquarium heater

The best batteries aquarium heater in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 06.05.2025

Filter

Sort

Filter:Brand:Reduced items only:

Best choice

NICREW Fish Tank Heater, Submersible Aquarium Heater with External Temperature Controller, for Fish Tanks up to 30 Liters, 50W

NICREW

28% off

show more show less

9,9

Offer ends in:

05Days

10hours

11minutes

19seconds

Check price

Show on Amazon

Features

Adjustable Temperature Setting Effortlessly adjust and monitor the water temperature using the convenient controller, maintaining constant and stable temperatures for your aquatic creatures to thrive.
Overheat Protection The heater is programmed to automatically turn itself off if the water temperature exceeds 37 , protecting your fish from overheating.
Ideal for Your Aquarium The NICREW BH Aquarium Heater is a versatile choice for both freshwater and saltwater aquariums, providing precise control to get optimal water temperature.
Easy Installation With its sleek and compact design, the NICREW BH Aquarium Heater can be easily installed vertically or horizontally using the included suction cups.

hygger Submersible Aquarium Heater, Fish Tank Heater with Digital LED Controller & Intelligent Water Outflow Overheating Protection System, Suitable for Saltwater & Freshwater (500W for 245-500L Tank)

hygger

20% off

free shipping

show more show less

9,8

Offer ends in:

07hours

11minutes

20seconds

Check price

Show on Amazon

Features

500-Watt Aquarium Heater - The 500-watt aquarium heater is suitable for saltwater and freshwater aquariums from 245 to 500L. The heater length is 27 cm, the voltage is 220-240V, and the power cord is 3 meters. Please choose the appropriate power aquarium heater according to our size chart
Overheating and water outflow protection - When the water temperature exceeds 34 or falls below the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 34 or the heater is completely immersed in water. Error code high temperature; LL low temperature; automatic water shutoff. Multiple protections to help you get rid of "boiled fish"!
Digital LED controller - temperature adjustable range 15-34 , accuracy 1 . You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without having to reach into the water. The LED controller displays current water temperature, preset temperature, operating power, and more warning signs for low high temperature auto shut-off. The operation is very simple!
Efficient explosion-proof - the aquarium heater is made of explosion-proof quartz glass and high-temperature-resistant nickel-chromium heating wire. This heats water faster, safer and longer. The heater guard is made of high quality PC plastic to protect your fish from burns
FULL ACCESSORIES AND WARRANTY - This aquarium heater comes with the accessories you need. Package includes 1 aquarium heater, 1 controller, 3 suction cups, 1 stand and 1 hook.

AQQA Aquarium Gravel Cleaner,6 in 1 Fish Tank Vacuum Gravel Cleaner,20W Automatic Aquarium Cleaning Kit,Fish Tank Cleaner for Water Change,Sand Wash

AQQA

15% off

free shipping

show more show less

9,7

Offer ends in:

05Days

09hours

56minutes

20seconds

Check price

Show on Amazon

Features

Filtration & Shower The filter cup have a sponge,can effectively filter fish poop and food residues to achieve water filtration and circulation. The rain shower water outlet design simulates the natural ecology,allows you to bathe turtles and add oxygen&humidity to the fish tank
Efficient and Powerful Cleaning The fish tank cleaner kitis equipped with a powerful 20W motor,1200L H powerful flow water pump motor,IP68 waterproof.It can quickly change water and add water,suck away dirt and debris from the bottom, clean algae on the aquarium walls. Ensuring clear and transparent fish tank water
Upgraded Adjustable Design The fish tank cleaning tool comes with 2 detactable tubes, can be extended from 42.9 to 85.3cm and a quality 1.5m water hose, could adjust to the appropriate length according to the size of your fish tanks.
Convenient&fast installation The tool is easy to install, save time and effort.Can be assembled in sequence according to the instructions or videos, freely assembled to meet your different needs.You can get 12 months of aquarium product support from AQQA store to make sure you are completely satisfied with the product!

Interpet Deltatherm Aquarium Fish Tank Heater, adjustable, for Tropical and Marine, 300 W, for aquariums up to 270 litres, Black

Interpet

free shipping

show more show less

9,5

Check price

Show on Amazon

Features

300 W model for aquariums from 135 to 270 litres, heater dimensions 35.5 cm x 2.5 cm x 2.5 cm
Extra safe, double insulated and fully submersible, made with heat and shock resistant glass
The positive click-control makes it easy to adjust the temperature precisely, but as the heater is already set to 24 C you might not find you need to

£ 19.99

£ 23.99

ONLYSTAR Fish Tank Heater 50W/100W/200W/300W/500W with Over-Temperature Protection, Explosion Proof Quartz Glass, Aquarium Heater with LED Thermostat Controller (500W)

ONLYSTAR

free shipping

show more show less

9,4

Check price

Show on Amazon

Features

Enhanced Safety Features An LED digital temperature display allows real-time monitoring with a temperature accuracy of 1 C. The heater automatically stops heating when the set temperature is reached and is firmly secured in the fish tank with strong suction cups.
Intelligent Thermostat The aquarium heater features chip temperature control and automatic power-off when out of water. External controller allows safe temperature adjustment outside. Adjustable temperature range 18-35 C.
User-Friendly Operation The aquarium heater shuts off when exposed to air and starts automatically when fully immersed in water. It also includes a memory function to retain the previous temperature setting without requiring reconfiguration.
Compact & Versatile This heater can be easily fixed with suction cups and placed in areas with water flow. For any queries, please do not hesitate to contact us.

BrightArk Aquarium Heater 500W Fish Tank Heater with Intelligent LED Digital Display Thermostat Controller, Fish Tank Heaters for Tropical, Aquarium Heaters for 400L Freshwater Saltwater Fish Tank

BrightArk

7% off

free shipping

show more show less

9,3

Check price

Show on Amazon

Features

Intelligent Temperature Control BrightArk aquarium heater boasts an intelligent thermostat that prevents scalding of your fish by stopping heating automatically when the water temperature exceeds 35 , and auto-starts when the temperature drops below the set temperature.
Energy-efficient The fish tank heater features frequency energy-saving technology that reduces power consumption when approaching the set temperature, ensuring efficient and cost-effective performance.
Safe and Durable Made of durable quartz glass and nickel-chromium heating wire, BrightArk aquarium heater is explosion-proof and offers high thermal energy efficiency, with anti-dry and over-temperature protection for enhanced safety.
Easy to Use With simple and easy-to-use external controllers and a built-in LED digital temperature display, this fish tank heater is suitable for both freshwater and saltwater, making it a hassle-free solution for your aquarium and tropical fish tank needs.

HITOP HP-608 Submersible Aquarium Heater 25W 50W With Thermometer and Extra Sucker Cup (50W)

HITOP

show more show less

9,3

Check price

Show on Amazon

Features

Thickened Glass 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes, your pets will no longer fear the winter.
Quick and easy installation, submersible fish tank heater, vertical or horizontal placement using suction cups. 1 extra powerful suction cups as your backup (total 3).
50W aquarium heater, dimension 18.5x2.5Cm, power cord 1.5M, designed for small fish tanks, recommended for aquariums 20-60L.
Bonus a stick-on thermometer, no need to buy another thermometer, 24-Month Warranty and 24-Hour Professional After-sales Service.

Aquarium Heater, 500W Submersible Fish Tank Heater with External Temperature Controller, LED Digital Display, Over-Temperature Protection, for 250L-500L Tank, Saltwater Freshwater Tropical Fish Turtle

Aofesel

free shipping

show more show less

9,2

Check price

Show on Amazon

Features

500W Fast Heating Our 500W Aquarium Heater is made of high quality quartz tubes and high temperature resistant nickel-chromium heating wire with excellent thermal conductivity, which can provide fast and stable heating, more energy-saving and efficient. The temperature adjustment range is 15-34 , which greatly meets the temperature demand of different ornamental fish. Equipped with powerful suction cups, suitable for 250L-500L tropical fish tanks, aquarium tanks, betta fish tanks, turtle tanks and so on.
Intelligent Constant Temperature This aquarium heater has an intelligent constant temp system to ensure consistent water temperature. When the heater reaches the set temp , it will automatically stop heating; when the water temp is lower than the set temperature, the heater will automatically heat up. The gradual increase in temp prevents the fish from being uncomfortable due to rapid temp changes, providing a stable environment for your aquatic pets while saving energy. Your pets will no longer be fear of cold winter.
Anti-Dry Burn Protection & Over Temperature Protection Our updated aquarium heaters have added self-protection features over regular heaters. When the heater is not fully immersed in the water or there is a dry burn, it will automatically shut off; when the water temperature exceeds 34 (93 ), the heater will automatically turn off the power to ensure maximum safety for you and your aquatic creatures, just as we do for our own safety. Provide the best habitat for your cherished betta fish.
LED Digital Display & Precise Temperature Control The aquarium heater is equipped with a LED digital display, so you can clearly see the real-time water temperature even in the dark. No need for an extra thermometer. With an external temperature controller, it is convenient to adjust the temperature without putting your hand in the fish tank water to avoid being burned by the heater, very safe. It supports Fahrenheit and Celsius readings, which can be switched by pressing and holding the setting button for 3-5s.
Explosion Proof Quartz Glass This aquarium heater is made of explosion-proof quartz glass material, which is high temperature resistant, shatterproof and long-lasting. Sturdy protective cover made of high temperature resistant ABS material can protect your beloved fish from scalding, removable design is easy to clean. NOTE Before turning on the power, please make sure the heater is fully immersed in water and install it near the water flow area to prevent uneven heating.
Widely Used This 500W aquarium heater is versatile, suitable for both freshwater and saltwater, can accommodate a wide range of aquatic life. Ideal for tropical fish, neon tetra, guppy, angelfish, goldfish, prati, betta fish and sea turtles, they can also be used for heating pet drinking water, assisting with plant hydroponics and various other heating requirements. They are also suitable for fish tanks, aquariums and small fish ponds where aquatic life is kept.

Recommendation

Fluval E Advanced Electronic Heater, 300 W

Fluval

free shipping

show more show less

9,2

Check price

Show on Amazon

Features

Integrated fish guard
Continuously displaying real time water temperature
Intelligent digital microprocessor monitoring system

Inkbird ITC-306T Aquarium Heater Thermostat Temperature Controller Fish Tank Heater Thermostat with Dual Heating Control/Dual Time Cycle Setting/Submersible Probe, 100~240V

Inkbird

free shipping

show more show less

9,2

Check price

Show on Amazon

Features

Applicable Scene Plug and play, easy to use. Inkbird aquarium temperature controller is ideal for aquarium heaters, fish tanks, pond heater, tropical shrimp turtle, greenhouse and reptile vivarium such as snake frog.
Dual Heating Plug The Inkbird fish heater controller is designed to support two heaters work at the same time, making it perfect for a larger aquarium tank where an additional heater is needed.
Aquarium Submersible Probe The probe is corrosion resistant and waterproof design, making it perfectly designed for long-term use in an aquarium or high humidity environments such as greenhouse.

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these batteries aquarium heater.

AQUAEL PLASTIC ULTRA Heater 100W

Advanced aquarium heater in an unbreakable plastic housing

free shipping

Check price

GERUI 2PCS USB Aquarium Heater 10 W Mini Aquarium Heating Rod with Thermostat, Thermostat Aquarium Turtle Heater for Small Aquariums for Salt Water and Freshwater

High-quality material this aquarium heating rod has undergone strict quality control and is made of high temperature resistant materials to ensure safety and reliability. The automatic constant temperature design and safety performance of aquarium heater ensure a comfortable and stable living environment for your aquarium pets.

Check price

FEDOUR Aquarium PTC Heater with Controller: 200W 400W Digital Heater for Fish Tank and Turtle Tank 100-400L, Submersible Aquarium Heater with Protective Cover

FEDOUR Aquarium PTC Heater with Controller, simple design, space-saving, suitable for 100-200L fish tanks and turtle tanks, can be used in both saltwater and fresh water.

free shipping

Check price

HiTauing Aquarium Heater, 50W/100W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

Rapid Heating and Two Temperature Control System 50W aquarium heater is sutable for 20L-50 Litres water fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range 17-34 63-94 ). You can press and hold the button next to the controller for 3-5 seconds to switch.

Check price

PYPABL 25W 50W 100W 200W 300W Aquarium Heater, Submersible Glass Heater for 10L-300Litres Fish and Turtle Tank (50W for 15-55L)

Specification 50W water heater, 20*2.5*2.5 cm, suitable for 15L-55L tank, also suitable for saltwater and freshwater.

Check price

CAM2 Aquarium heating rod, with temperature display Power Saving Heater Aquarium Submersible Heater Fish Tank Water (50w)

High quality material The heating rod aquarium itself consists of waterproof components and thickened quartz glass. The material is delicate and shiny, shatterproof and durable, and the internal components are clearly visible. The "on" indicator lamp in the middle allows you to clearly see whether the product is working properly, and creates a warm living environment for the fish in the tank.

Check price

Bonlux Fish Tank Heater 50W, Small Fish Tank Heater Mini Aquarium Heater, Fish Tank Heaters for Tropical, Submersible Aquarium Heaters with Intelligent Digital Display Thermometer for 20L Fish Tank

Compact and Versatile Bonlux fish tank heater 50W, size 11.5*7.5*3.5cm, with 2 powerful suction cups, suitable for 20-40L tropical fish tank, aquarium tank, betta fish tank, turtle tank, etc

~~£ 14.99~~

Only:

7hrs

11min

20sec

Check price

Luxvista 100W Aquarium Heater Digital Fish Tank Heater, Submersible Turtle Tank Heater for Tropical, LED Display of Water Temperature for 35-80L Tanks, Freshwater Betta Turtle

Auto-Off Protection If the tank heater is not installed properly underwater, or the water level runs low causing the heater to be exposed to the water, it will activate the auto-off function, this safety feature shuts off the heater to prevent dangerous situations. Please note that the mini aquarium heater must be completely submerged in water.

~~£ 16.99~~

Check price

DONGKER Mini Submersible Heater,10W USB Aquarium Fish Tank Heater 26℃ Thermostat Heater for 3L Fish Tank Saltwater Freshwater

Note The Heating Rod Must Be Completely Submerged in the Water When Using It Can Heat Water Within 3L At Room Temperature above 18 C, and Can Heat Water Within 2L At Room Temperature below 18 C

Check price

Aquarium Heater 200/300/500W with External Temperature Controller, Submersible Fish Tank Heater with Large LED Digital Dual Displays, Tank Heater Keep Stable Temp for Tropical Fish Betta Turtle, 200W

Safety Protection Design U-picks thermostatic aquarium heater adopts dual sensors for better protection, when the water temp is higher than the set temp, heater automatically stop heating. When the water temp is lower than the set temp, heater automatically start heating. Stepwise heating, the temperature gradually rises, which can prevent the temperature from changing too quickly to cause the fish to be uncomfortable.

~~£ 29.99~~ free shipping

Check price

Eheim Jager Aquarium Thermostat Heater 100W (Pack of 1)

Will automatically turn off when water level dips too low

free shipping

Check price

Defresit Aquarium Heater,10 W Mini Aquarium Heating Rod with Thermostat, USB Fish Tank Heater Thermostat Aquarium Turtle Heater for Small Aquariums for Salt Water and Freshwater(Small Fish Tanks)

Top Quality Materials Crafted with high temperature resistant materials, our Aquarium Heater ensures safety and dependability. The automatic constant temperature feature of this heating rod offers a stable and comfortable environment for your aquarium pets.

Check price

The best batteries aquarium heater in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these batteries aquarium heater.

Our offer