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