How to choose a battery for electronics?

If your electronics need to be super small like an inch on each side you should go for the lithium coin cells or little lithium polymer cells. If you are going to produce the component in large quantity use inexpensive alkaline batteries of popular sizes. So the customer finds it easy to replace them.

Which battery should I buy?

If you are going to have heavy usage of the battery you should go for ‘Marine deep cycle’ batteries. If your electronics need to be super small like an inch on each side you should go for the lithium coin cells or little lithium polymer cells.

What voltage does a lithium battery use?

The Zinc-Carbon battery and Nickel-metal hydride battery uses water as an electrolyte and delivers a nominal voltage of 1.2V to 2V, whereas the lithium-based batteries use organic electrolytes that can deliver a nominal voltage of 3.2 to 4V. Most of the electronic pieces of equipment operate in the voltage range of 3V.

How to choose a battery for your application?

While choosing a battery for your application you must know about the important parameters involved in its operation. The reality about the battery is that there is no common type of battery for all the applications since no battery is perfect.

How do I choose a battery size for my project?

The first step is determining how much current your project will consume. To determine the current of your load you can use average or max current. Sizing the battery based on the max current will be the most conservative estimate as it assumes your application is running at full power all the time.

Are lithium ion batteries worth buying?

Any off the shelf Lithium Ion battery pack worth buying should have a built in BMS. If building your own pack, there are some options that won’t break the bank. The most affordable option is a UK based brand, DALY. They sell a variety of sizes from 15A – 120A discharge ratings. Here is a link to where you can buy one.