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
keep it at the set point voltage. -- [[https://diysolarforum.com/threads/controlling-charge-from-multiple... scenarios output might be limited by [[https://diysolarforum.com/threads/many-here-say-that-an-alternator... outside the case to reduce this heat((https://diysolarforum.com/threads/many-here-say-that-an-alternator... ered on the alternator output DC bus.((https://diysolarforum.com/threads/alternator-dc-dc-charger-compare
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... -daily**, or live in an area of poor [[electrical:solar:output|insolation]].
For many people [[electri
rested in DIY might want to read the [[https://diysolarforum.com/forums/diy-lifepo4-battery-banks.22/|DIY LiFePO4 Battery Banks subforum]] over on DIY Solar. You can also see the [[electrical:12v:lifepo4_b... cut-off, and internal heaters.
The [[https://diysolarforum.com/|DIY Solar Forums]] are a good place to check for updated info, as well as links to teardown re
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
ected components) or pre-made ("power stations", "solar generators"). Regardless of your choice, ensure ... r]].((or doing something exotic like [[electrical:solar:shallow_cycling|shallow cycling]]))
===== H...
* **Easy to run** off a small [[lifestyle:faq_solar_generator|portable power station]]((which you wil... small ($) house power system: Example: 200w of solar and 100Ah of battery.
* Small [[food:refri
* Some [[electrical:12v:b2b#examples_-_combo_with_solar_charge_controller|combo DC-DC chargers]] contain logic to maintain the starter battery when solar power is present. For specifics see the ''starte... enance function.
* Some standalone [[electrical:solar:charge_controller|solar charge controllers]] like the [[https://amzn.to/2PPTD2L|Morningstar SunSaver Duo
t on current drawn by the house bank:((https://diysolarforum.com/threads/experiences-charging-lfp-from-al... 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/0.020m
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
be to wire all loads go through the [[electrical:solar:charge_controller#using_load_output|LOAD output]]... controller, and set the controller's [[electrical:solar:charge_controller_setpoints|Vlvd]]. In practice
shunt cannot be counted.**
Note: [[electrical:solar:status|Watching amps trail off]] at the end of le... to the app or directly to other Victron gear like solar charge controllers.((the Orion-TR is a notable an... d operate their [[https://amzn.to/2SuOYmr|SX-2030 solar charge controller]]. The monitor will still prov
