What factors should you consider when selecting batteries for IoT? The rapidly growing trend of connected devices (expected to reach 29 billion by ) has increased the pressure on product developers and suppliers working with various IoT-components.
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We asked our battery experts to outline the key factors to consider when choosing batteries for IoT. With these insights, you’ll know what to prioritize when making your decision.
Depending on the specific IoT application, its unique design, and usage, there are various types of battery chemistries available on the market:
Another important consideration is how much power the IoT device requires and how long it needs to run on a single charge. Some devices demand significantly more power than others, and you likely want to avoid frequent recharging. In such cases, choose a battery with a higher power output.
If your IoT device is used in extreme temperatures or harsh environments, choosing a battery designed to withstand these conditions is crucial. Additionally, the battery must interact seamlessly with other components and its surroundings to minimize the risk of interference, which could damage the device.
Temperature changes, even slight ones, can significantly affect a battery’s capacity and service life. To ensure proper operation, select a battery suited to the specific temperature conditions. For instance, the acceptable temperature range for lithium-ion cells is typically -20°C to 60°C. Both high and very low temperatures can damage lithium-ion batteries in several ways:
Faster degradation due to accelerated aging processes.
Loss of power caused by increased internal resistance.
Price is often a deciding factor when selecting a battery, regardless of the project type. As a decision-maker, you’ll need to balance cost with performance. So, what should you keep in mind?
Customized Solutions: The more complex the application design, the higher the cost of developing a custom battery solution that stores sufficient power for system operation.
Bulk Orders: Ordering a large volume of batteries can reduce per-unit costs. If the batteries have a long shelf life and consistent demand, buying in bulk can lead to significant savings.
Battery Type: The variety of battery types affects overall costs. For example, lithium-ion and solid-state batteries require sophisticated manufacturing processes, which increase their price. However, their longer lifecycle and higher capacity often justify the cost through reduced operational and replacement expenses.
Be cautious about your choice of suppliers. There is significant variation in the quality of batteries available on the market, and not all suppliers provide the certifications and regulatory documentation required for importing batteries into the European market. Always check for compliance with standards such as UL, CE, or RoHS. A low price may cost you much more in the long run!
When selecting lithium-ion batteries for IoT applications, pay special attention to the Battery Management System (BMS). This system balances battery cells, monitors temperature, and prevents overcharging or over-discharging. While a more complex BMS increases costs, it ensures the safety and longevity of your IoT product. Additionally, some BMS designs may require extra components or design considerations to integrate seamlessly with the overall battery system.
Now that you’ve seen how many factors can influence battery selection for your IoT devices, you may still have questions about your specific project. Sparq Technology has helped numerous customers across Europe find batteries perfectly suited to their requirements. Feel free to reach out to us with your questions by filling out our form or sending an to Sparq. It’s completely free and requires minimal information from your side. Let us handle your concerns and guide you toward the best solution!
Choosing the right battery for your device is a crucial part of the design process, and it helps to know how to get the most out of your batteries when in the field.
Here we’ve collated some of our handy Energizing IoT articles that explore some of the key elements of selecting the right battery, integrating it into your device, and maximising its lifespan when deployed.
There’s a lot to think about when choosing the right battery for an IoT-connected device.
Wireless connected objects tend to require light and compact batteries with very high energy density and high voltage, which is why lithium batteries are best suited to IoT devices.
But what is the right lithium battery for your device?
Read our summary on how to go about choosing the right one for you.
Batteries come in various shapes and chemistries, with different benefits to each. One way of finding out if a battery matches your application’s profile is to review the datasheet against your design requirements – but how do you read these technical documents?
Are you interested in learning more about iot device battery? Contact us today to secure an expert consultation!
Explore our article on datasheets to find out how to analyze a battery’s specifications against your application’s profile.
Designing an IoT application involves a lot of choices. You’re looking for performance and quality, but balancing that alongside a low Total Cost of Ownership (TCO).
When it comes to your battery choice, it’s no different. And while price doesn’t always indicate quality, there are times when it can be a useful guide.
So, what’s behind the price of a battery? What are the elements that make a difference in a battery, and how do these elements impact the success of your project, the customer’s return on investment (ROI), and the satisfaction of the end user?
Read more on how to find value for money with your IoT battery
Just as there is no ‘one cell fits all’ solution to selecting the right battery, there is no universal solution to how you go about connecting a cell to a device.
The best means of connecting the cell to your device depends on a number of considerations – and finding the right connection for your application often comes down to planning.
Commit time in the early design process to consider the right battery, and then the right battery connection, as it will help with your product design and cost of total ownership (CTO).
https://www.saft.com/energizing-iot/integrating-batteries-your-smart-application
Some look to battery holders. They can be highly beneficial to some devices, particular in consumer applications (e.g., remote controls) where batteries can be replaced with ease. But there are drawbacks to relying on battery holders.
https://www.saft.com/energizing-iot/battery-holders-what-you-need-know
Developing a quality product matters. That’s why developers of IoT devices are meticulous in making sure the components of their products are as expected.
Once your batteries have arrived for use in your prototype application, you’ll want to check to see if they perform to the level required.
Here we explain how you can properly inspect your primary batteries to make sure they do just that.
Passivation is a surface protecting reaction which occurs spontaneously in all lithium batteries based on a liquid cathode, and it plays a major role in many of the beneficial characteristics that make lithium batteries a favorite choice for building smart devices. However, when not well managed, passivation can adversely affect the operation of the application.
Our application engineers see some common ‘passivation pitfalls’ when receiving new application design submissions – and the good news is they can be avoided.
Read more on how to avoid these mistakes.
There’s a lot that can determine the longevity of rechargeable batteries. It can be affected by the way the battery is charged and discharged, the operating temperatures, and more.
That’s particularly true of industrial grade lithium-ion batteries. These cells possess high energy density and can operate under extreme temperatures for a long life – but there are key things to consider if you want to optimize their lifespan.
Read our five top tips and delve a little deeper into ‘why’ and ‘how’ each is important.
Energizing IoT blog
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