Chegou em 15 dias desde o pagamento até São Paulo. Bem embalada (Foto 1). Chegou tudo o que promete (Foto 2). É bem simples mas de boa qualidade, mas ... será que funciona mesmojQuery1113022054600695476134_1626302510814?.
Asim que já fui colocando na parte interna da janela com vidros que não são trasluzidos (e pra colmo sujos), para testar com sol das 11 horas incidindo diretamente na janela. A medição ficou oscilando entre 19 e 22 vóltios (fotos 3 e 4), enquanto liberava uma corrente entre 0,25 e 0,35 Amp (foto 5). Às 11:30 abri a janela e segurando com as mãos, direcionei o painel diretamente ao sol, e aí sim com sol direto no angulo correto a placa liberou 0,80 Ampere de media com pouca oscilação durante os 5 minutos que durou a minha medição.
Às 17 hs quis ver o comportamento da placa só com a luz ambiente do final do dia. Apresentou uma tensão de 15 volt, demonstrando sensibilidade, mas uma corrente pífia de 0,02 Amp (foto 6)... Eeeeh... nenhuma placa solar funciona no fim do dia (Agora em São paulo o sol cai antes das 18 Hs).
Não sou experto em energia solar nem sequer em eletricidade. Apenas tenho procurado me informar e fiz essas medições empíricas tentando perceber o quanto pode ser interessante este pequeno painel.
Se seguimos a relação onde W = volt X Amp, Essa placa nos deu 17 a 18 Watts quando foi exposta direto ao sol. Seguindo o figurino de 6 horas e 20% de perdas, podemos considerar uns 80 Wh/dia. Fiz a equivalência com uma Placa Resun de 100 W (1 X 0,7 m.) e deu uma performance semelhante. Se considerarmos comprar 6 destes pequenos painéis para cobrir o mesmo rango da Resun, gastaríamos o dobro.
Meus amigos, o proposito de estos pequenos painéis são outros (mobilidade, pequenos projetos, ...). Esta em particular nem tem saída USB e precisa controlador solar. A performance com luz direta é adequada. Debe melhorar no verão e vale salientar que não tirei o plastico que protege a placa (uma nota diz pra tirar).
Eu gostei e já encomendei outra pra colocar em paralelo.

It arrived in 15 days from payment to São Paulo. Well packaged (Photo 1). All that promises have arrived (Photo 2). It's quite simple but good quality, but... does it really workjQuery1113022054600695476134_1626302510814?.
So I was already putting it in the inside of the window with glass that is not translucent (and to thatch dirty), to test with 11 o'clock sun focusing directly on the window. The measurement stayed between 19 and 22 volts (photos 3 and 4), while releasing a current between 0.25 and 0.35 Amp (photo 5). And then with direct sun at the right angle the plate released 0.80 ampere of media with little oscillation during the 5 minutes that lasted my measurement.
At 5pm I wanted to see the behavior of the plaque only with the ambient light of the end of the day. Displayed a voltage of 15 volt, demonstrating sensitivity, but a pyphic current of 0.02 Amp (pictured 6)... eeeeh... no solar plate works at the end of the day (Now in São Paulo the sun falls before 18 Hs).
I'm not an expert in solar energy or even electricity. I've just been trying to inform myself and I've done these empirical measurements trying to figure out how interesting this little panel can be.
If we follow the relationship where W = volt X Amp, that plate gave us 17 to 18 Watts when it was exposed directly to the sun. Following the six-hour design and 20% losses, we can consider 80 Wh/day. I made the equivalence with a 100 W Resun Card (1 X 0.7 m.) and gave a similar performance. If we consider buying 6 of these small panels to cover the same creak as Resun, we'd spend twice as much.
My friends, the purpose of these small panels are others (mobility, small designs,...). This particular one does not even have USB outlet and needs solar controller. Direct light performance is adequate. It should improve in the summer and it is worth pointing out that I did not take the plastic that protects the plaque (a note says take off).
I liked it and already ordered another one to put in parallel.

It arrived in 15 days from payment to São Paulo. Well packaged (Photo 1). All that promises have arrived (Photo 2). It's quite simple but good quality, but... does it really workjQuery1113022054600695476134_1626302510814?.
So I was already putting it in the inside of the window with glass that is not translucent (and to thatch dirty), to test with 11 o'clock sun focusing directly on the window. The measurement stayed between 19 and 22 volts (photos 3 and 4), while releasing a current between 0.25 and 0.35 Amp (photo 5). And then with direct sun at the right angle the plate released 0.80 ampere of media with little oscillation during the 5 minutes that lasted my measurement.
At 5pm I wanted to see the behavior of the plaque only with the ambient light of the end of the day. Displayed a voltage of 15 volt, demonstrating sensitivity, but a pyphic current of 0.02 Amp (pictured 6)... eeeeh... no solar plate works at the end of the day (Now in São Paulo the sun falls before 18 Hs).
I'm not an expert in solar energy or even electricity. I've just been trying to inform myself and I've done these empirical measurements trying to figure out how interesting this little panel can be.
If we follow the relationship where W = volt X Amp, that plate gave us 17 to 18 Watts when it was exposed directly to the sun. Following the six-hour design and 20% losses, we can consider 80 Wh/day. I made the equivalence with a 100 W Resun Card (1 X 0.7 m.) and gave a similar performance. If we consider buying 6 of these small panels to cover the same creak as Resun, we'd spend twice as much.
My friends, the purpose of these small panels are others (mobility, small designs,...). This particular one does not even have USB outlet and needs solar controller. Direct light performance is adequate. It should improve in the summer and it is worth pointing out that I did not take the plastic that protects the plaque (a note says take off).
I liked it and already ordered another one to put in parallel.

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A dobozok sérülten érkeztek, de a napelemek szerencsére nem sérültek. A vezérlőn semmilyen beazonosítási lehetőség nincs, hogy hány amperes. Összeszerelés után a méréseim alapján a 100W-os napelem erős napsütésben is csak 20W-ot tudot termelni. Hol a 100W teljesítmény? EZ ÍGY EGY NAGY ÁTVERÉS!!!

The boxes arrived damaged, but the solar panels were not damaged. There's no way to identify the amperes on the controller. After assembly, according to my measurements, the 100W solar panel can only produce 20W even in strong sunlight. Where's the 100W power? It's a big scam!

The boxes arrived damaged, but the solar panels were not damaged. There's no way to identify the amperes on the controller. After assembly, according to my measurements, the 100W solar panel can only produce 20W even in strong sunlight. Where's the 100W power? It's a big scam!

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