User Tools

Site Tools


electrical:12v:mandatory_solar

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
electrical:12v:mandatory_solar [2020/04/02 17:54]
frater_secessus [Is solar mandatory?]
electrical:12v:mandatory_solar [2024/02/09 13:21] (current)
frater_secessus reorder
Line 1: Line 1:
 ====== Is solar mandatory? ====== ====== Is solar mandatory? ======
  
-Solar isn't //mandatory//, particularly if one has Lithium, carbon-foam, or similar battery chemistries that are not bothered by sitting at [[electrical:12v:psoc|partial state of charge]].  Solar is incredibly useful for nomads with lead-chemistry batteries. There should be a good reason why they would plan a build without //some// solar.  Even just [[electrical:solar:builds#w|a small amount]].  Some reminders:+Solar isn't //mandatory//.  Here are some cases where it might not be worth the trouble:   
 + 
 +  * the camper has Lithium, carbon-foam, or similar battery chemistries that are not bothered by sitting at [[electrical:12v:psoc|partial state of charge]] and there is enough charging capacity to meet needs. 
 +  * the camper has lead batts but will be sitting on [[electrical:shore_power|shore power]] 
 +  * the camper has lead batts but  is equipped with a [[electrical:12v:b2b|DC-DC charger]] will be driven for several consecutive hours at least a couple times a week.(([[electrical:12v:directcharginglfp|an isolator might suffice]] for lithium banks)) 
 + 
 + 
 +The rest of this document assumes the camper is equipped with normal lead-chemistry batteries (flooded, AGM, gel etc).  
 + 
 + 
 +Solar is incredibly useful for nomads with lead-chemistry batteries. There should be a good reason why they would plan a build without //some// solar.  Even just [[electrical:solar:builds#w|a small amount]].  Some reminders:
  
-  * solar is silent and can be discreet 
-  * solar works when the sun shines 
-  * solar doesn't wear out or get used up in the normal sense.  No maintenance required! 
   * solar brings higher voltages to battery charging, which is healthy for them.  Lead-acid batteries that don't get a full, higher voltage [[electrical:12v:charging#absorption_stage|Absorption stage]] will not be fully charged.  Which will [[electrical:batterycide|kill them]].   * solar brings higher voltages to battery charging, which is healthy for them.  Lead-acid batteries that don't get a full, higher voltage [[electrical:12v:charging#absorption_stage|Absorption stage]] will not be fully charged.  Which will [[electrical:batterycide|kill them]].
   * Absorption stage is high voltage and decreasing current, which is exactly what solar does well   * Absorption stage is high voltage and decreasing current, which is exactly what solar does well
   * This higher-voltage solar charging [[electrical:12v:alt_and_solar|can be combined]] with the higher-current nature of alternator/isolator charging for maximum power and minimum expense.    * This higher-voltage solar charging [[electrical:12v:alt_and_solar|can be combined]] with the higher-current nature of alternator/isolator charging for maximum power and minimum expense. 
 +  * solar is silent and can be discreet
 +  * solar works when the sun shines
 +  * solar doesn't wear out or get used up in the normal sense.  No maintenance required!
  
 ===== getting by without solar ===== ===== getting by without solar =====
electrical/12v/mandatory_solar.1585864462.txt.gz · Last modified: 2020/10/11 19:48 (external edit)