[450] The link on batteries

[David McKenzie]

no, ~5.6v (because AAs run hot) down to 5v.

that's a LM2596 switching regulator board; Vin > Vout only. I have 10 of
them now. Supposedly something like 95% efficient. That's an 8-cell battery
pack I should load it up and give it another test.


On Wed, Oct 9, 2013 at 11:50 PM, John Foege <john.foege at gmail.com> wrote:

> 4 AAs in series? 5.2V to 12V DC-DC regulator?
>
> Can you set it for 1.3V to 13V and run the batts in parallel?
>
> I'm assuming this doesn't make any difference in run-time due to either
> having a 1800 mAh 5.2V cell or a 1.3V 7200 mAh cell with the
> converter...unless I'm having a massive brain fart...
> On Oct 10, 2013 12:04 AM, "David McKenzie" <k1fsy at vhfwiki.com> wrote:
>
>> Got the switching regulator modules from China. It ran for 3 mind on
>> those 4 nearly dead AAs :)
>>
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>>
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