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electrical:12v:mandatory_solar [2018/10/13 15:11]
frater_secessus [Is solar mandatory?]
electrical:12v:mandatory_solar [2020/04/02 14:58]
frater_secessus [Is solar mandatory?]
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 ====== Is solar mandatory? ====== ====== Is solar mandatory? ======
  
-Solar isn't //​mandatory//​, but it is incredibly useful for nomads. ​ There should be a good reason why one 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 will be sitting on [[electrical:​shore_power|shore power]] 
 +  * the camper is equipped with a [[electrical:​12v:​b2b|DC-DC charger]] will be driven for consecutive hours at least a couple times a week.   
 + 
 + 
 +The rest of this document assumes the camper is equipped with normal lead-chemistry batteries (flooded, AGM, 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 is silent and can be discreet
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 [note: this section is based on [[https://​www.reddit.com/​r/​vandwellers/​comments/​9nvg9h/​van_dwelling_without_solar_capacity/​e7pdlcs/​|a reddit post]]] [note: this section is based on [[https://​www.reddit.com/​r/​vandwellers/​comments/​9nvg9h/​van_dwelling_without_solar_capacity/​e7pdlcs/​|a reddit post]]]
  
-An isolator will do the heavy lifting, but is unlikely to get/keep the house battery fully charged snce the voltage isn't high enough. ​+An [[electrical:​12v:​alternator|isolator]] will do the heavy lifting, but is unlikely to get/keep the house battery fully charged snce the voltage isn't high enough. ​
  
 There are a couple of ways around the low voltage issue: There are a couple of ways around the low voltage issue:
  
-  * use a battery chemistry that doesn'​t care about partial state of charge (PSoC), like lithium or carbon foam. Bring lots of money. +  * use a battery chemistry that doesn'​t care about partial state of charge (PSoC), like [[electrical:​12v:​deep_cycle_battery#​lithium_chemistries|lithium]] or [[electrical:​12v:​deep_cycle_battery#​carbon_foam_agm|carbon foam]]. Bring lots of money. 
-  * use an isolator ​that boosts alternator voltage to a voltage that has a chance of fully charging the bank, given enough time. The [[https://​amzn.to/​2CILqZE|CTEK D250]] does this, and marine grade stuff like sargent and sterling definitely do.+  * use a [[electrical:​12v:​b2b|b2b charger ​that boosts alternator voltage]] to a voltage that has a chance of fully charging the bank, given enough time. 
   * Augment with shore charging when possible unless you are driving for several hours 1-2x/week.   * Augment with shore charging when possible unless you are driving for several hours 1-2x/week.
  
electrical/12v/mandatory_solar.txt · Last modified: 2020/04/02 14:58 by frater_secessus