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TB65 Charging Question
968 13 5-1 07:57
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Qbert111
lvl.3
Flight distance : 431699 ft
United Kingdom
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Hi guys,

Quick question for you, the TB65 batteries are said to be good for 400 charging cycles, I'm just wondering what counts as a cycle?

If I get back from a job and use the charging station to put them to 50% for storage, would that count as a charge, or is it only counted when they are fully charged?

Any info about this would be great, thanks in advance!

5-1 07:57
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DJI Gamora
Administrator
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Hi, Qbert111. Thank you for reaching out. The battery cycle will be counted once when the battery level is 75% consumed of the capacity as mentioned in the official manual, including consumption by the battery’s self-discharge.
5-3 05:45
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Steven Balkenbush
lvl.1
United States
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Is there a way to see how many cycles the batteries have gone through? I found info for DJI Fly and DJI Go but not for Pilot.
10-2 21:01
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Cesarius
lvl.1
Flight distance : 298543 ft

Peru
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Steven Balkenbush Posted at 10-2 21:01
Is there a way to see how many cycles the batteries have gone through? I found info for DJI Fly and DJI Go but not for Pilot.

Con el Pilot 2 es posible ver el número de ciclos contabilizados en cada bateria.  La figura muestra los datos de dos baterias TB65 conectadas a un Matrice 300
Screenshot_20241016_172021_WhatsApp.jpg
10-16 14:25
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marchello_map
lvl.1
Hungary
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Hi guys! I'm not sure I'm at the right place. I have a firmware issue with a TB65 battery. According to the charger box, one battery of a pair has a lower firmware level. If we try to update it, the update completes, but the former version of firmware is written out. So that the UAV is not able to take off, because of the message below. Is it a software bug, or anything else that I miss? Thanks!
12-4 09:02
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LV_Forestry
First Officer
Flight distance : 4726654 ft
Latvia
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marchello_map Posted at 12-4 09:02
Hi guys! I'm not sure I'm at the right place. I have a firmware issue with a TB65 battery. According to the charger box, one battery of a pair has a lower firmware level. If we try to update it, the update completes, but the former version of firmware is written out. So that the UAV is not able to take off, because of the message below. Is it a software bug, or anything else that I miss? Thanks![view_image]

The error message does not mention the firmware but the battery model. Are you using two identical batteries? not the former model ?
12-4 10:26
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marchello_map
lvl.1
Hungary
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No, they are identical. And I have used them many times together before.
12-4 11:55
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AR_AirPrecision
Second Officer
Flight distance : 2683589 ft
Belgium
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marchello_map Posted at 12-4 11:55
No, they are identical. And I have used them many times together before.

Can you send a screenshot of the Pilot ( flight view ) > Battery > Details screen?
12-5 02:53
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marchello_map
lvl.1
Hungary
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The UAV doesn't recognise one of the batteries, although we are using the same type. It is beeping for a firmware update for the 'bad' battery, but the update fails when I connect the RC to the UAV.
12-5 05:28
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AR_AirPrecision
Second Officer
Flight distance : 2683589 ft
Belgium
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marchello_map Posted at 12-5 05:28
The UAV doesn't recognise one of the batteries, although we are using the same type. It is beeping for a firmware update for the 'bad' battery, but the update fails when I connect the RC to the UAV.[view_image][view_image][view_image]

Weird it doesn't recognise the right as a TB65. Did you install TB60 FMW on it? To be sure it's a TB65? :-) The SN is also missing, not sure if you can reinstall battery firmware.
12-5 07:14
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LV_Forestry
First Officer
Flight distance : 4726654 ft
Latvia
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marchello_map Posted at 12-5 05:28
The UAV doesn't recognise one of the batteries, although we are using the same type. It is beeping for a firmware update for the 'bad' battery, but the update fails when I connect the RC to the UAV.[view_image][view_image][view_image]

Looks like a faulty battery management unit memory failure. You are good to send it to DJI for repair/replacement. If the battery has less than one year, claim a warranty.
12-5 09:20
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marchello_map
lvl.1
Hungary
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Thank you! We were 2 days over the one year when the problem occurred... )
12-5 22:05
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AR_AirPrecision
Second Officer
Flight distance : 2683589 ft
Belgium
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marchello_map Posted at 12-5 22:05
Thank you!  We were 2 days over the one year when the problem occurred... )

If you have good relation with your enterprise provider they are flexible :-) most of the time. Also you have over 80 days at full charge, unless you are in SAR I don't see the advantage of that the difference between 90% and 100% is not really noticeable IRL. But for the lifetime of the battery it makes a lot of difference.
12-6 00:40
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LV_Forestry
First Officer
Flight distance : 4726654 ft
Latvia
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AR_AirPrecision Posted at 12-6 00:40
If you have good relation with your enterprise provider they are flexible :-) most of the time. Also you have over 80 days at full charge, unless you are in SAR I don't see the advantage of that the difference between 90% and 100% is not really noticeable IRL. But for the lifetime of the battery it makes a lot of difference.

I validate this two point
12-6 02:01
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