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Old-new TB50's

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Nov 3, 2018
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It was hard but I finally was able to buy couple of new TB50 batteries for my Inspire 2.
In the box there are two markings: GM 31241-2022 and GB 42590-2023.
Does either of these tell the manufacture date?
If so, can I trust that they still are in good shape?
How long they are supposed to last in storage when not taken in use?
Both are in original packing and sealed.
 
Once you plug them in you can see manufacture date

And if you're okay to use "normal" LiPo batteries you can use Caddy Lipo's for Inspire 2, that will be cheaper too - in a long run
 
Since they are both in their original, sealed packaging you can also look at the UPC/serial number bar code label on the box and the manufacture month/year will be printed on there.
 
It was hard but I finally was able to buy couple of new TB50 batteries for my Inspire 2.
In the box there are two markings: GM 31241-2022 and GB 42590-2023.
Does either of these tell the manufacture date?
If so, can I trust that they still are in good shape?
How long they are supposed to last in storage when not taken in use?
Both are in original packing and sealed.
Is it hard to buy TB50 batteries nowadays? I was just thinking about picking up a couple of them
 
Since they are both in their original, sealed packaging you can also look at the UPC/serial number bar code label on the box and the manufacture month/year will be printed on there.
How long they're supposed to last in packaging, before taking in use? I've read somewhere that Lipos start to age faster after first charge..
 

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