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From: Chris <ithinkiam@gmail.com>
Newsgroups: comp.mobile.android
Subject: Re: Which uses less power
Date: Wed, 23 Oct 2024 20:21:00 -0000 (UTC)
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VanguardLH <V@nguard.LH> wrote:
> "Carlos E.R." <robin_listas@es.invalid> wrote:
> 
>> On 2024-10-23 03:04, VanguardLH wrote:
>>> Chris <ithinkiam@gmail.com> wrote:
>>> 
>>>> sms <scharf.steven@geemail.com> wrote:
>>>>> On 10/21/2024 11:15 PM, Bill Powell wrote:
>>>>>> Which uses less of the phone's battery power on long trips?
>>>>>> 
>>>>>> Playing long podcasts with the Android speaker as the output?
>>>>>> Playing long podcasts with a Bluetooth speaker as the output instead?
>>>>>> 
>>>>>> Any idea?
>>>>> 
>>>>> Speaker wattage is about 3W.
>>>>> 
>>>>> Bluetooth uses about 2.5mW.
>>>>> 
>>>>> So the speaker uses more than 3000x the power.
>>>> 
>>>> Do you have a source?
>>> 
>>> Do you to refute?
>> 
>> I do not refute nor corroborate, so I would like a source either way :-)
> 
> Me, too.  I'd like to know the basis for both claims.  Alas, there are
> so many variables involve with unknown phones and BT/BLE devices
> employed that the results are unpredictable.

A perfect link answering the OP's question pretty clearly has been posted.
Could more data be collected? Always, but I'd say there aren't too many
variables.