Best Battery Thermostats of 2025

The ENGO E901 Thermostat offers a convenient way to manage your central heating. As a wired thermostat powered by AA batteries, it ensures reliable operation. Its Boiler Plus compliant self-learning algorithm helps you save on energy costs, making it an eco-friendly choice. Programming is made simple with a hidden button panel, allowing you to set up to six event changes for each day. Additionally, the holiday and boost modes let you quickly adjust your heating schedule to suit your needs.

The plikc Wall Thermostat is a user-friendly device designed for both heating and air conditioning systems. Its microprocessor electronic functionality ensures precise temperature regulation in increments of 0.1°C, helping you maintain a comfortable environment. The convenient knob allows you to easily set your desired temperature, while a single button lets you confirm your selection or turn off the thermostat. The blue backlit display keeps you informed, showing both the set temperature and the current environmental temperature at a glance.

The Center RF Thermostat features a minimalistic and modern design that seamlessly integrates into any home. Its adaptive control function ensures that your desired temperature is maintained accurately, enhancing comfort. With optimum start and stop technology, it maximises the efficiency of your heating system, saving you energy. Installation is a breeze, as it comes factory pre-bound to the RF receiver unit, allowing for a hassle-free setup. Enjoy the convenience of a large back-lit LCD display for easy temperature reading.

The Gato Nest Thermostat Battery offers a capacity of 380mAh, ensuring your thermostat stays powered for efficient temperature control. With dimensions of 48.60 x 44.10 x 2.90mm, it is compact and can fit seamlessly into your device. Operating at a voltage of 3.7v, this Li-Polymer battery provides reliable performance, helping you maintain your desired home climate effortlessly. By replacing your old battery with this one, you can enhance the functionality of your Nest thermostat, ensuring it runs smoothly and responds promptly to your heating and cooling needs.

The ESI Room Thermostat is designed to enhance your energy efficiency with its innovative TPI technology, which helps you save on energy bills while also earning SAP points. Its quick two-wire installation makes it easy to set up, with volt-free contacts and a standard back plate ensuring compatibility. You can rely on its high-temperature accuracy, ensuring your home stays at the perfect temperature. The battery-powered LCD display clearly shows the room temperature, allowing you to monitor your environment with ease.

The Heatmiser Slimline Thermostat is a wired, programmable device that enhances your heating control. With user-selectable operating modes, you can customise settings to suit your schedule, whether you prefer weekday and weekend variations or a consistent temperature every day. This thermostat can function both as a timer and a thermostat, offering flexibility for your heating needs. Additionally, its self-learning optimum start feature ensures your home reaches the desired temperature when you need it, providing comfort and efficiency.

The ESI ESRTERFW Thermostat offers a quick two-wire installation, making it easy for you to set up in your home. Its battery-powered LCD display ensures you can clearly see the room temperature at a glance. With TPI Technology, this thermostat helps you save energy and potentially earn SAP points, which can lead to further savings. Overall, this product combines accuracy and convenience, enabling you to maintain a comfortable environment effortlessly.

The Team Controls RF Stat is a user-friendly wireless programmable room thermostat designed to enhance your heating experience. It boasts a large clear display with a backlight, making it easy to read the temperature at any time. The thermostat allows you to programme four periods for each day, offering flexibility to suit your schedule. You can monitor the temperature in degrees Celsius, giving you precise control over your environment. Operating within a range of 5-30°C, it ensures your home stays comfortable throughout the year.

The Hanicks Pro Series Thermostat is a newly launched, 7-day programmable room thermostat designed to replace existing Honeywell CM Series models. It optimises your heating schedule by using Optimum Start & Stop technology, ensuring your home reaches the desired temperature at the right time while saving you energy and money. With a modern user interface, it provides convenient on-screen feedback, making it easier for you to adjust settings. Additionally, its built-in memory retains your programming indefinitely, so you never have to worry about losing your settings, even if you change the batteries.

The Siemens RDH100 Thermostat offers a set point range of 5 to 30 degrees Celsius, allowing you to easily maintain your desired room temperature. With its 5(2)A volt-free contacts, it ensures compatibility with various heating systems, providing you with flexibility in your home setup. The compact dimensions of 120x90x26.9 mm make it easy to install in various locations without taking up much space. Powered by two AA batteries, this thermostat offers convenience, eliminating the need for hard wiring and making it easy to replace as needed.