To determine whether a battery is a lithium battery, you can tell in the following ways:
Check the battery label or identification:
Most batteries will have a label or logo on them, which will indicate the type, voltage, capacity, and other information of the battery. If the label clearly says “Lithium Ion” or “Li-ion”, then it is a lithium battery.
Observe the cell shape and size:
Lithium batteries typically come in a specific shape and size, such as cylindrical (e.g., Model 18650), flat (e.g., mobile phone battery), or flat prismatic (e.g., laptop battery). While other types of batteries may also have similar shapes, these shapes are more common for lithium batteries.
Check the text or pattern on the battery:
Some battery manufacturers will print specific words or patterns on the battery to indicate its type. You can check if there are words or symbols related to lithium batteries on the battery.
Measure battery voltage:
While this is not the most accurate method, lithium batteries typically have a higher voltage. Use a voltmeter to measure the open circuit voltage of the battery, and if the voltage is close to 3.7V (for a single lithium battery), then this is most likely a lithium battery. Note, however, that this method may be affected by the state of discharge of the battery and other factors.
Refer to the battery’s instruction manual or instructions:
If you purchased batteries from a device or product, you can refer to the manual or instructions for that device or product. The type of battery used is usually clearly indicated in the manual.
Consult a professional or manufacturer:
If you are still unsure of the type of battery, you can contact the battery manufacturer or a professional for advice. They can provide more accurate information and advice.
Please note that extreme care is taken when handling and replacing batteries, ensuring proper operating procedures and safety guidelines are followed. If you’re not sure how to handle your battery safely, it’s best to seek professional help.