This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
lifestyle:faq_solar_generator [2020/05/20 11:23] frater_secessus [technical discussion] |
lifestyle:faq_solar_generator [2020/10/26 11:49] frater_secessus [solar generators] added wells video |
||
---|---|---|---|
Line 14: | Line 14: | ||
These devices are packaged for convenience and are usually much more expensive than the components bought separately. | These devices are packaged for convenience and are usually much more expensive than the components bought separately. | ||
+ | |||
+ | The overall proposition can be summed up by the title of a Bob Wells video, [[https:// | ||
The terms //solar generator// and //generator alternative// | The terms //solar generator// and //generator alternative// | ||
Line 25: | Line 27: | ||
* a person who camps on relatively short outings | * a person who camps on relatively short outings | ||
* who can charge from shore power when away from the camper | * who can charge from shore power when away from the camper | ||
- | * and who does not need to run devices in the camper when the owner is charging the unit | + | * and who does not need to run devices in the camper when the owner is charging the unit elsewhere |
===== specifications ===== | ===== specifications ===== | ||
Line 54: | Line 56: | ||
====Charging from solar panels==== | ====Charging from solar panels==== | ||
- | Charging these devices from solar panels will probably be [[electrical: | + | Charging these devices from solar panels will probably be [[electrical: |
- | + | ||
- | Devices that claim to have internal solar controllers (probably mppt) will cost more but will make much better use of panels for charging.((4S or greater Li configurations will also charge better from solar due to higher voltage)) | + | |
- | * in the absence of an MPPT controller((sometimes present on higher-end devices)) [[electrical: | + | * in the absence of an [[electrical: |
* devices with 3S lithium cells will hamstring the panels even worse((3S Li voltage can be as low as 9v, and maxxes around 12.5v.)) | * devices with 3S lithium cells will hamstring the panels even worse((3S Li voltage can be as low as 9v, and maxxes around 12.5v.)) | ||
+ | * long wire runs (as seen with portable panels set outside) result in voltage drops | ||
+ | * sunlight is limited to a certain number of hours. | ||
- | Poly panels will typically [[http:// | + | Poly panels will typically [[http:// |
Note: it is possible to [[https:// | Note: it is possible to [[https:// |