voltage to specific charging voltage [[electrical:solar:charge_controller_setpoints|setpoints]] and limit... ion as it might seem since lead-acid [[electrical:solar:status#in_absorption|current acceptance drops sub... ach day.)) This is where [[electrical:12v:alt_and_solar|a bit of solar helps with the long-duration duties]].
DC-DC chargers are often triggered by the IGN cir
Resource: [[electrical:solar:gentle_intro|gentle intro to solar]]
====== Solar for car and SUV dwellers ======
Solar power can be extremely helpful for car dwellers, especially those
estyle:words_of_wisdom|Words of wisdom]]: //"Any Solar is better than no solar, but having too much solar is difficult. The best solar systems are those which can keep the batteries the happiest. Happy batteri
t can affect that." -- Cariboocoot((https://forum.solar-electric.com/discussion/comment/152013#Comment_152013))
====== Factors affecting solar panel output ======
For various reasons **it wil... under great conditions, and much less under poor solar conditions. And about half of that in winter.
=... location and season both have profound effects on solar harvest. [[opinion:frater_secessus:panelsizesfori
====== Solar panels ======
Solar panels, also called photovoltaic (PV) panels, produce DC power from sunlight to cha... The panels can be used single or in [[electrical:solar:series vs parallel|series or parallel]] arrays.
... n oversimplification, admittedly)) a [[electrical:solar:charge controller|charge controller]] is placed b
|DIY LiFePO4 Battery Banks subforum]] over on DIY Solar. You can also see the [[electrical:12v:lifepo4_b... al heaters.
The [[https://diysolarforum.com/|DIY Solar Forums]] are a good place to check for updated in... hought)) Upsides include:
* greater [[opinion:solar:sizing.walkthrough#days_of_autonomy|autonomy]] when charging is absent or limited due to poor solar conditions
* supporting larger discharge curren
fair amount of the bulk charging done and let the solar finish it off the rest of the day. -- jimindenver... ]] batteries healthy, so [[electrical:12v:alt_and_solar|combining with solar]] is common
[[opinion:frater_secessus:pareto|about these summaries]]
===== overvi... eply discharged
* when [[electrical:12v:alt and solar|combined with solar]] or some other higher-voltag
w.cheaprvliving.com/forums/Thread-Troubleshooting-solar-issues?pid=343191#pid343191))
====== Is my solar working? ======
Note: for simplicity's sake this art... s [[electrical:nominal|nominal]] 12v [[electrical:solar:panels|panels]] and 12v [[electrical:12v:intro|house power]].
It is common for those with new solar configurations to worry about whether or not the
nsive (and maybe impossible) get Big Current with solar alone and difficult (or even impossible) to compl... on alternator alone. But [[electrical:12v:alt_and_solar|small amounts of both combine]] to make a workabl... expensive charging system.
For this reason the solar + alternator combination is the most common and e... rnator-only charging** [[electrical:12v:mandatory_solar|can work with lithium banks]] but for technical r
will be difficult to tell. -- BB((https://forum.solar-electric.com/discussion/comment/191612#Comment_19... it probably would work fine -- BB((https://forum.solar-electric.com/discussion/comment/191612#Comment_19... r on MSW.
Also see [[https://www.reddit.com/r/diySolar/comments/yyd20a/pure_sine_wave_inverters_what_is_... trical:converter|converter]]
- some also handle solar charging
They tend to be [[https://amzn.to/2KMcI
ng]] functions).
Note: if you have sufficient solar to complete Absorption then a "dumb" converter ca... n subsequent days. In this model the converter + solar would contribute up to [[electrical:solar:charge_controller_setpoints|Vfloat]], then solar would raise the bank to Vabs and fall back to Vfloat wh
concurrent charging source]] for an alternator is solar.
**Example**: Let's assume the same 14.0v alternator output and solar contribution that pushes up Vbatt by 0.3V
* I=... v-**13.0v**)/0.020mR = 1.0v/0.020mR = 50A without solar
* I=V/R = (14v-**13.3v**)/0.020mR = 0.7v/0.020mR = 35A with solar
Note: this occurs because alternators are volta
(http://www.cheaprvliving.com/forums/Thread-Intro-Solar-Questions?pid=192042#pid192042))
It is so common... y is acceptable.
* not charging at [[electrical:solar:charge_controller_setpoints|manufacturer-recommen... lternator voltage. \\ Less commonly, [[electrical:solar|Solar]]-only charging can cause this problem if the [[electrical:solar:sizing|battery capacity is too gr