From: David Carter <[email protected]>
To: Altus Metrum <[email protected]>
Sent: Tuesday, September 1, 2015 9:32 AM
Subject: Re: [altusmetrum] Battery care and maintenance
Snip for brevity's sake,
>
> So, if you drain the battery below about 3.3V by leaving the telemetrum
> switched on, the battery will die and stay dead. The swelling of the battery
> is a great indication that it needs to be replaced.
Also, leaving the battery out in a hot, sunny environment can cause swelling.
I had that happen with a 7.4V lipo I was testing with another tracker in a hot
car.Battery swelled up due to the heat. It wasn't over-discharged. Voltages
seem fine but I only relegate it to testing. One of these days I'll stick it
on a cycler and measure it butI have several other packs I can use so am not
too rushed about it.
You might want to keep that in mind if putting a pack in a black nosecone for
extended periods of time out in the desert.
Kurt KC9LDH
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