Top 10 Best Battery Operated Aquarium Heater

Super Mini Size, 10Watt, below 1 GallonYukiHalu 10W aquarium heater is designed for the mini fish tanks less than 1 gallon. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93F. The rated voltage DC 5V2A. Important tips insufficient power of the adapter will cause no heating and the number will flash or the controller restarts repeatedly, make sure the power adapter is 5V 2A and has enough power.. Automatic Constant Temperature with 1 AccuracyThanks 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 49 electricity bill for you.. Overheating Protection DC 5V USB supplyThe power will be cut off and stop heating automatically if the heater overheating. Protect your fish. Never cook your fish. USB 5V power supply, prevent electric shock. 30days full refund, 12-months warranty.. External Temperature Controller, Never Wet Your HandsUse an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Easy to install.. Built-in Temperature sensor, Power-off Memory FunctionDual built-in temperature sensor, the water temperature will be displayed on the external temperature controller in real time. No need to buy other temperature meters. The heater will remember the temperature setting, no need to reset the temperature after power off..

Preset to 78 degree, accurate to plus- 1 degree. No adjustment required. Shatter resistant. Fully submersible, auto shut-off when overheats, resets when cools down. LED light turns on when aquarium water is being heated. Ideal for aquariums up to 30 gallons.

ApplicationApplicable for freshwater and marine aquariums, Betta, Frogs, Newts, Turtles, aquaculture, glass containers, and hydroponic systems. Small Size 200W Aquarium Heater fits for 30-150 Gallon.Temperature range 65F93F17C34C, LED display Fahrenheit F,power cord length 51.2inch130cm.. Warm tipsthis heater need 100 submersible use, the external temperature controller is not waterproof,need keep away from water. Intelligent temperature controlAutomatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically shut off, when it is lower than the target temperature, heater will automatically start heating.. Easy to use and Safety,Touch button, cyclic adjust temperature , you can control the temperature easily.

Fully submersible. Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank. Quick and easy installation. Shatterproof construction. Can be used with glass or acrylic enclosures. Note Do NOT operate or leave product plugged in when it is outside of water. Warms aquarium water up to 6F above ambient room temperature. Ideal for desktop aquariums up to 3 gallons.

HITOP aquarium heater 50W, length 7.2-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums up to 15 Gallons.. 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.. Adjustable and easy to use This aquarium heater, adjustable temperature range 68 93 F, after setting the temp you want, will on or shut off automatically when the water temperature changes, no extra adjustment is required.. Accurate Temperature Control This fish tank heater built-in thermostat, will automatically keep the water at the set temperature within2F error. Comes with an sticker thermometer to detect water temp at any time.. Easier installation, you can install it with any angle by 2 powerful suction cups, just make sure it is under water fully. Besides, we provide 1 more extra suction cup for spare total 3 PCS, and we provide 12 months warranty..

All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached..All Tetra HT Heaters will shut off if an electrical short is detected for your safety.. The HT10 uses a built in electronic theromstat to automatically maintain water at 78 F which is ideal for most tropical fish. No adjustment is requried.. Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies. The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other dcor.. Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.. All Tetra HT Heaters will shut off if an electrical short is detected for your safety..

Low Power Start-Up, Saving Energy this fish tank heater with low power start-up conserves energy and saves your money on lower electrical bills. Automatically increase or decrease frequency as needed, smart PID Variable Frequency Drive Technology. Turn it up at full power for a fast heat up aquarium water, or down for maintain proper temp and to reduce energy costs. Auto Shut Off Based on Renesas high performance chipset, hygger heater auto shut-off when water level dips too low, resumes when fully submerged Equipped with three overload sensors to prevent burnout Beeping alert system when water temp over 96.8F. At-a-glance Temperature LCD Display the heater rod shows real time water temperature and power simultaneously indicator light to let you know when the heater is on. It will be red when heating at full energy, green at low energy, no light when the proper temperature has been reached. Easy to Set Temperature External hand button temperature control, just keeps pushing the button, it will cycle through all the set temperatures, adjustable temp setting between 70F to 94F in 1-degree increments. Explosion Proof Heating Material Fully Submersible Aquarium Heater is constructed of heavy duty and explosion- proof titanium, double sealed by plastic guard which prevents fish from coming into contact with the heating element. 800 WATT aquarium heater is recommended for 120-180 gallon freshwater aquariums.

SMALL AND POWERFUL This mini aquarium heater is about 2 long, and is super small. It is specially designed for small fish tanks and does not occupy any space. Upgrade the chip to make the temperature sensing more sensitive and the temperature rise more accurate.. INTELLIGENT MEMORY FUNCTION After setting the target temperature, the power is suddenly turned off, and the target temperature remains unchanged after turning on the power again.. OVERHEATING PROTECTION Built-in temperature sensor, temperature range 64-93F. If the water temperature exceeds 95F, the error code HI appears, the heater stops working, and when it returns to below 95F, the error code disappears and it starts working again.. EXTERNAL CONTROLLER External temperature controller, no need to get your hands wet, no need to buy other controllers, 52 inch long power cord, easy to install, easy to control.. WIDELY USED Suitable for freshwater and saltwater. Meet the growth temperature for turtle, Fighting fish,Guppy, Goldfish, Neon Tetra, Gourami, Peaceful Betta, Pterophyllum, Dwarf Gourami, Pterophyllum Scalare, Betta Smaragdina, Koi, Corydoras, Anabantoidei, Paradise Fish, Clownfish,swordtail....

10 Watt Aquarium Heater Temperature range is 59-93F, for small glass or acrylic aquariums up 1 to 5 gallons, can be used for both fresh and marine water, ideal for fish tanks and turtle tanks. Please choose the right wattage aquarium heater according to our size chart. Made with Premium Quartz The aquarium heater is made of 2mm thickened quartz glass. This fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding. Dry Run Overheating Protection When the water temperature exceeds 95F or when the warer level is lower than the minimum water level, the heater will stop heating, and the conrtoller will display an error code. Error code HH-high temp E1-out off water. Multiple protection, you are free from cooking fish. Super Mini Size This small aquarium heater is thumb size - only 4.1 10.5cm 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. LED Digital Display External Temperature Controller LED digital display can observe the water temperature in real time the temperature remote control allows you to avoid wet hands when adjusting the temperature. Note Please unplug the power when cleaning the fish tank or changing the water in the aquarium..

Temperature range 59F94F, display Fahrenheit F, this heater is designed for110 gallons tank. Upgrade function The heater will auto shut off when it is out of water and turn normal when fully in water again.. Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating.. Touch button, cyclic adjust temperature , easy to use and Safety.. Notethis heater is 100 submersible use only, during its heating time, heater must be 100 submerged into the water.. SATISFACTION GUARANTEEDGain the confidence to go hard with us Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that youre not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service..