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
Last revision Both sides next revision
electrical:12v:mandatory_solar [2018/10/13 15:11]
frater_secessus [Is solar mandatory?]
electrical:12v:mandatory_solar [2020/04/02 14:57]
frater_secessus [Is solar mandatory?]
Line 1: Line 1:
 ====== 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]] 
 +  * 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
Line 18: Line 28:
 [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