MSGID:  ed3989b7
REPLY:  8db0f206
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On 2025-12-13 05:42, c186282 wrote:
> On 12/12/25 06:19, Carlos E.R. wrote:
>> On 2025-12-12 11:26, The Natural Philosopher wrote:
>>> On 11/12/2025 21:06, Carlos E.R. wrote:
>>>> On 2025-12-10 11:24, The Natural Philosopher wrote:
>>>>> On 10/12/2025 10:02, c186282 wrote:
>>>>>> On 12/10/25 04:14, Andy Burns wrote:


>> What about a small solar panel and rechargeable batteries?
> 
> 
>  ÿ Seeed sells the "LiPo Rider Plus". After checking
>  ÿ several brands of 'solar charge controllers' these
>  ÿ were the ones I chose to power my field projects.
>  ÿ Most of the others did NOT cap the voltage very
>  ÿ well, or at all, so the sun comes out bright and you
>  ÿ might send 6+ into your 3.1v device.
> 
>  ÿ Combined with a 3 to 5 watt panel they'll keep even
>  ÿ intermittent non-nano-power projects going.
> 
>  ÿ Beware the quality of the batteries though ... got
>  ÿ some no-names, about 50x50x10mm square, that were
>  ÿ generally good - but one DID explode on me, inside
>  ÿ the office building, when I barely touched it. Had
>  ÿ not been charged for months either. Oh well, nothing
>  ÿ to do but watch the big crimson flame .......
> 
>  ÿ Fire control IS a priority with lithiums.
> 

Huh. That's not good when the thing is intended to be near a oil tank.

-- 
Cheers, Carlos.
ES??, EU??;

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