Depends on how they are treated, how much (deep) they are discharged. How well they are stored. How long they stand fully charged. How long the packs have stood on a shelf before they are sold and used (Lipos deteriorate from the moment they leave the production line whether they are used are not).Hello all, I just have a general question about the TB50 batteries for the inspire 2. How many charges or cycles should you expect out of each battery? And is there a way to check the health of them as well?
Thanks
Dayton
I agree with everything said above. If you treat your batteries well I would suggest that you can expect at least 100 cycles of reasonably consistent power. After that you might start to see some loss in performance and shorter flight times. Also time to start saving for a new packs...After 150 cycles you might need to consider retiring them.Depends on how they are treated, how much (deep) they are discharged. How well they are stored. How long they stand fully charged. How long the packs have stood on a shelf before they are sold and used (Lipos deteriorate from the moment they leave the production line whether they are used are not).
So, to answer your question, too many variables to quantify an answer.
In addition, only you can decide when to retire a pack - some will continue using one that others consider do not give sufficient flight time.
Please also use the search function on the forum as this subject has been debated/discussed ad nauseum
It's been awhile for me but if I remember correctly you can see how many times charged and the general health in the DJI app.Hello all, I just have a general question about the TB50 batteries for the inspire 2. How many charges or cycles should you expect out of each battery? And is there a way to check the health of them as well?
Thanks
Dayton
@mmarian says, "If you treat your batteries well I would suggest that you can expect at least 100 cycles of reasonably consistent power," which makes a lot of sense. Is there a consensus though as to what "treating batteries well" means, I mean, what would the steps look like?
Although the attached photos are for the Mavic batteries I believe that they will apply for all of DJI’s Intelligent Flight batteries in the general sense as far as storage goes.@mmarian says, "If you treat your batteries well I would suggest that you can expect at least 100 cycles of reasonably consistent power," which makes a lot of sense. Is there a consensus though as to what "treating batteries well" means, I mean, what would the steps look like?
Not sure how you have arrived to that figure per flight. Here in Australia one pair costs around AU$540. If I get 120 cycles, it works out to about $4.50 per flight. With 200 cycles it would be only $2.70 per flight.I have 4 sets of batteries with about 80 cycles on each pair. They are starting to loose there power earlier so I expect another season or about 40 flights on each pair before they may need to be retired. That works out to ~$16.00 a flight (I am in Canada) so its not exactly cheap to run these machines..
Yes I would appreciate it if you could post the original article.A while back we had posted a link to a study by Battery University that showed the variance in usable capacity based on the storage temp and the storage voltage. As a quick summary, batteries that were stored at full charge lost 40% of their capacity over the course of a year - and batteries that were stored at 40-50% charge only lost around 5% of their capacity over the course of a year. While none of us probably just let our batteries sit on a shelf for long periods of time, we have always put our self discharge number of days at 2 (DJI has 10 by default). We charge to discharge within 24 hours, but if we miss a day we know the battery will be removing the charge slowly by itself.
We can take a look for the original article and post a link to it as well if anyone is interested in it.
A while back we had posted a link to a study by Battery University that showed the variance in usable capacity based on the storage temp and the storage voltage. As a quick summary, batteries that were stored at full charge lost 40% of their capacity over the course of a year - and batteries that were stored at 40-50% charge only lost around 5% of their capacity over the course of a year. While none of us probably just let our batteries sit on a shelf for long periods of time, we have always put our self discharge number of days at 2 (DJI has 10 by default). We charge to discharge within 24 hours, but if we miss a day we know the battery will be removing the charge slowly by itself.
We can take a look for the original article and post a link to it as well if anyone is interested in it.
How to Prolong Lithium-based Batteries - Battery UniversityYes I would appreciate it if you could post the original article.
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