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
onsumes **29,000**Wh of power per day.
- A 100w solar panel on an MPPT [[electrical:solar:charge_controller|controller]] will harvest an average of:
* Chi... ter kettles
* electric space heaters
* [[hvac:solar_ac|air conditioners]]
* electric coffee makers
... nvested thousands of dollars in battery banks and solar, or run a [[electrical:generator|generator]]
Ele
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
h this page was written with alternator-augmented solar charging in mind, the general principles also apply to solar+[[electrical:shore_power|shore power charging]] and solar+[[electrical:generator|generator]] charging. Also... ical:12v:power_mix|Deciding on a Power Mix]].
> Solar and DC-DC alternator charging are going to be the
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
cted words of wisdom ======
===== a/c =====
>"[solar powered A/C is] not a lost cause.. we just seem ... (http://www.cheaprvliving.com/forums/Thread-Intro-Solar-Questions?pid=192079#pid192079))
> "While AGMs a... (http://www.cheaprvliving.com/forums/Thread-Intro-Solar-Questions?pid=192079#pid192079))
> "[LiFePO4] ba... combined bank. Unless your charger, alternator or solar/wind system is pumping out an incorrect voltage f
|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
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
brightly every day." -- Cariboocoot((http://forum.solar-electric.com/discussion/comment/250894#Comment_250894))
====== Solar panel sizing for different geographical areas ===... nd meteorological conditions affect the amount of solar wattage one needs.
**Reminder:** available sunlight ([[electrical:solar:output#insolation|insolation]]) is expressed in H
ouse battery]] charging sources:
* [[electrical:solar|solar]]
* [[electrical:12v:alternator|alternator]]
* [[electrical:shore_power|shore power]]
* [[electrical:generator|generator]]
* etc
Some solar installs will even have separate [[electrical:solar:charge_controller|charge controllers]] running their
low //float voltages//((≤13.4v)), or [[electrical:solar:status#setups_with_no_float|no float at all]]
... cal:12v:b2b|DC-DC]] is present
* [[electrical:solar:charge_controller|solar charging]] (profiles, configurability, output rating, protections if any)
*... ical change from lead-battery charging.
===== solar charging =====
Here we need to be careful about
ne but you don't know it. Example: "[[electrical:solar:status#setups_with_no_float|my charger isn't char... ltage, float voltage, charging amps, etc))
==== solar panels ====
[[electrical:solar:panels|Solar panels]] are usually pretty obvious if you have them. They may be mounted on a rack, adhere
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... trical:converter|converter]]
- some also handle solar charging
They tend to be [[https://amzn.to/2KMcI... m.((https://www.solarpaneltalk.com/forum/off-grid-solar/solar-living/15554-how-to-increase-solar-panel-ou
voltage is rarely useful in the field since:
- solar charging alone is rarely able to hit charge curre... s.((https://www.solarpaneltalk.com/forum/off-grid-solar/batteries-energy-storage/14996-trojan-t-105-vs-cr... stilled water occasionally.
Common [[electrical:solar:charge_controller_setpoints|setpoints]] (check yo... g current** than flooded, and it may be more than solar-only setups can provide.((http://www.cheaprvlivin
ay we didn't warn you about the prices]].
===== Solar ovens =====
[[https://amzn.to/2SdSc0Y|Solar ovens]] are popular with [[camping:dispersed|boondockers]] i... es the sun.
There are also plans online for DIY solar ovens like [[https://www.instructables.com/id/Purple-Fig-Solar-Cooker/|the $5 oven]].
Con: due to their surfac