Why don't smartphones have a built-in solar charger? There is plenty of surface area on the back of the phone and even the screen itself could be used. - Quora
![Baseus electric bicycle smartphone holder with built-in solar panel 150mAh black (SUZG010001) - B2B wholesaler.hurtel.com Baseus electric bicycle smartphone holder with built-in solar panel 150mAh black (SUZG010001) - B2B wholesaler.hurtel.com](https://static2.b2b.hurtel.com/eng_pl_Baseus-electric-bicycle-smartphone-holder-with-built-in-solar-panel-150mAh-black-SUZG010001-89290_24.jpg)
Baseus electric bicycle smartphone holder with built-in solar panel 150mAh black (SUZG010001) - B2B wholesaler.hurtel.com
![Amazon.com : Nicesolar 200W Bifacial Portable Solar Panel Foldable Solar Charger for Portable Power Station Solar Generator with USB A&C PD 65W for Laptop Smartphone Tablet Powerbank Outdoor Camping Van RV : Amazon.com : Nicesolar 200W Bifacial Portable Solar Panel Foldable Solar Charger for Portable Power Station Solar Generator with USB A&C PD 65W for Laptop Smartphone Tablet Powerbank Outdoor Camping Van RV :](https://m.media-amazon.com/images/I/8125F4M95sL.jpg)
Amazon.com : Nicesolar 200W Bifacial Portable Solar Panel Foldable Solar Charger for Portable Power Station Solar Generator with USB A&C PD 65W for Laptop Smartphone Tablet Powerbank Outdoor Camping Van RV :
![Why don't we have a solar panel in mobile phones as we have in calculators? Having a solar panel can automatically recharge the mobile device, right? - Quora Why don't we have a solar panel in mobile phones as we have in calculators? Having a solar panel can automatically recharge the mobile device, right? - Quora](https://qph.cf2.quoracdn.net/main-qimg-798dd2a57440d90112a1e2b0a3424324.webp)
Why don't we have a solar panel in mobile phones as we have in calculators? Having a solar panel can automatically recharge the mobile device, right? - Quora
![Persona Che Guarda Lo Schermo Dello Smartphone Allaperto Sul Campo Con Pannelli Solari Fattoria Stazione Sullo Sfondo Controllo Dellapp - Fotografie stock e altre immagini di Energia solare - iStock Persona Che Guarda Lo Schermo Dello Smartphone Allaperto Sul Campo Con Pannelli Solari Fattoria Stazione Sullo Sfondo Controllo Dellapp - Fotografie stock e altre immagini di Energia solare - iStock](https://media.istockphoto.com/id/1187626140/it/foto/persona-che-guarda-lo-schermo-dello-smartphone-allaperto-sul-campo-con-pannelli-solari.jpg?s=612x612&w=is&k=20&c=8BD5DqyJwFpfj0DIVWNQZxT5TVc7fIfLa8Ve-00ufYg=)
Persona Che Guarda Lo Schermo Dello Smartphone Allaperto Sul Campo Con Pannelli Solari Fattoria Stazione Sullo Sfondo Controllo Dellapp - Fotografie stock e altre immagini di Energia solare - iStock
![Abbiamo provato a caricare il nostro smartphone con un caricatore solare pieghevole da 22 W. Ci sono voluti giorni - NotebookCheck.it News Abbiamo provato a caricare il nostro smartphone con un caricatore solare pieghevole da 22 W. Ci sono voluti giorni - NotebookCheck.it News](https://www.notebookcheck.it/fileadmin/Notebooks/News/_nc3/IMG_20210428_125026.jpg)
Abbiamo provato a caricare il nostro smartphone con un caricatore solare pieghevole da 22 W. Ci sono voluti giorni - NotebookCheck.it News
![Smartphone con pannello solare sullo schermo che il riposo in spiaggia sedia, 3d illustrazione Foto stock - Alamy Smartphone con pannello solare sullo schermo che il riposo in spiaggia sedia, 3d illustrazione Foto stock - Alamy](https://c8.alamy.com/compit/kf7eyf/smartphone-con-pannello-solare-sullo-schermo-che-il-riposo-in-spiaggia-sedia-3d-illustrazione-kf7eyf.jpg)
Smartphone con pannello solare sullo schermo che il riposo in spiaggia sedia, 3d illustrazione Foto stock - Alamy
![Amazon.com: 2 PCS 6W Solar Panel with USB Connection,5V Solar Charger, IP67 Waterproof USB Solar Charger for DIY, Smartphones, Pow : Cell Phones & Accessories Amazon.com: 2 PCS 6W Solar Panel with USB Connection,5V Solar Charger, IP67 Waterproof USB Solar Charger for DIY, Smartphones, Pow : Cell Phones & Accessories](https://m.media-amazon.com/images/I/61JF2fO31NL.jpg)