What does this mean?

[Deleted member 114292]

3 of my batteries show this. 3 are fine. The ones that show this were manufactured in July other in November.

 

[sar104]

Does that change happen to correspond to a firmware update?

 

[Deleted member 114292]

Does that change happen to correspond to a firmware update?

I am thinking no, because I have others that appear normal. But I am not sure because I just upgraded AirData to where I can see this.

 

[Thomas B]

3 of my batteries show this. 3 are fine. The ones that show this were manufactured in July other in November.


View attachment 95059

The last note in your image titled “Initial Capacity” explains it. A new battery on my M2P will often give me 24-26 min of flight time., but after some usage over time this declines to 22-23 minutes. This is apparently normal behavior. It has occurred with all 10 of my batteries.

 

[Deleted member 114292]

The last note in your image titled “Initial Capacity” explains it. A new battery on my M2P will often give me 24-26 min of flight time., but after some usage over time this declines to 22-23 minutes. This is apparently normal behavior. It has occurred with all 10 of my batteries.

OK thanks that’s really what I wanted to know it’s normal.

 

[sar104]

The last note in your image titled “Initial Capacity” explains it. A new battery on my M2P will often give me 24-26 min of flight time., but after some usage over time this declines to 22-23 minutes. This is apparently normal behavior. It has occurred with all 10 of my batteries.

What appears unusual, however, is the discontinuous drop from the original nominal 3850 mAh. That doesn't look physically realistic unless the battery was mistreated.

 

[Deleted member 114292]

What appears unusual, however, is the discontinuous drop from the original nominal 3850 mAh. That doesn't look physically realistic unless the battery was mistreated.

Yeah I’m not sure about that. I used a DJi charger with the discharge rate set for two days and flu each battery at least twice a week.
I land at 25 to 30%.
If that's abuse then I will change the patterns.
Two of my six don’t show that pattern.
The bad ones mfg Jul 16 2019.
The good ones Nov 8 and Oct 31.
I opened a ticket with DJI see what they say.

 

[Deleted member 114292]

this is a P4 battery that sat for like 2 years - not sure if this is apple to apple compare or not.

 

[Thomas B]

What appears unusual, however, is the discontinuous drop from the original nominal 3850 mAh. That doesn't look physically realistic unless the battery was mistreated.

Chargers show full charge, but actual flight time is reduced as in my last post above. Just fly with them and RTH warning set at 30%. I do often fly in ambient temps of 103 - 104 degrees F during the summer.

 

[Deleted member 114292]

This is a good one.

 

[Deleted member 114292]

Chargers show full charge, but actual flight time is reduced as in my last post above. Just fly with them and RTH warning set at 30%. I do often fly in ambient temps of 103 - 104 degrees F during the summer.

Yes I have low bat set to 30% and as I said I always make it back before 25% usually 28%.

 

[Dale D]

3 of my batteries show this. 3 are fine. The ones that show this were manufactured in July other in November.


View attachment 95059

Where does this chart come from? How can we find and use this chart?

 

[sar104]

Where does this chart come from? How can we find and use this chart?

The AirData website.

Drone Data Management and Flight Analysis | Airdata UAV

Need an easier way to manage and analyze drone flights? Get notified of potential problems, keep up with drone maintenance, and create customized reports with Airdata UAV. Sign up today!

airdata.com

 

[japharl]

The AirData website.

Drone Data Management and Flight Analysis | Airdata UAV

Need an easier way to manage and analyze drone flights? Get notified of potential problems, keep up with drone maintenance, and create customized reports with Airdata UAV. Sign up today!

airdata.com

There is a charge associated with the battery data (at this scale). Use the free service first to see if you like it.

 

[Deleted member 114292]

Worth every penny if it saves even one battery.
You need:
HD 360 Gold $76.89 Yearly
DJI has sent my pics to engineering.

 

[Deleted member 114292]

FWIW It appears DJI is going to replace the batteries.
So my investment in Airdata has paid for itself.

 

[japharl]

I signed up last week.

 

[Deleted member 114292]

Dear Customer,

This message is from DJI Support. After testing your product, DJI has determined to provide you with free repair service. The repair is expected to be finished within 3 to 6 business days, after which the product will be sent back to you. Thank you for choosing DJI.
Case Info.
Customer

Case No.
CAS-4048716-F4L8F8

Quotation Date
2020-Mar-12

Remark

Dear Customer, this product will be covered under warranty. We'll either repair it or replace it with a product that's new or equivalent to new in both performance and reliability. For more information, please visit (After-Sales Service Policies - DJI). - DJI North America

Item List
Mavic 2 Intelligent Flight Battery
Quantity: 4
Net Price : 149.00
Total Price: 596.00

Tax
0.00

Shipping Cost
0.00

Total Amount
596.00

Discount
596.00

Total Payment (USD$) 0

 

[Deleted member 114292]

If they hadn’t helped me out here might’ve been the end of my drone career.