Is your battery has a superior or bad capacity retention characteristic? How to tell the capacity retention characteristics of your batteries and set up reasonable storage guidelines for your customers?
Neware BTS4000 can help you to tell the capacity retention characteristic of your battery. Which means how much capacity will be self-discharged by the battery after a period time of storage.
Let’s explain a bit of above test recipe.
Step #1. Rest the battery for 2 minutes;
Step #2. Use CCCV(constant current and constant voltage) to charge the battery fully;
Step #3. Rest the battery for 24 hours;
Step #4. Use CC(constant current) to discharge the battery to its nominal lowest voltage, the discharged capacity of this step we call it Capacity01.
Step #5. Rest the battery for another 2 minutes;
Step #6. Use CCCV(constant current and constant voltage) to charge the battery fully;
Step #7. Rest the battery for another 2 minutes;
Step #8. Use CC(constant current) to discharge the battery to its nominal lowest voltage, the discharged capacity of this step we call it Capacity02.
(Capacity02-Capacity01)/Capacity02 is the 24-hour capacity retention ratio of your battery.
You can also download the 24-hour capacity retention test recipe and try it out on your own BTS4000 tester. Of course, do remember to modify the current/voltage/retention time according to your actual requirement. Don’t know how to load/import the test profile? Please check out the test profile import video we made for you.
Questions from customer: Is there ok for me to remove the battery from the tester if I do longer time retention test?
Answer: Yes, we’d suggest you remove the battery from the tester if the retention time is 48 hours, 72 hours or even longer time. Which means after you charged the battery fully, you can keep the battery in a cool and dry place(or in a chamber if you want to do the special temperature storage test) and keep record of the storage time. When the storage time is due, connect the battery with the Neware tester, then do the discharge test.
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