User Tools

Site Tools


opinion:solar:sizing

Differences

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

Link to this comparison view

Both sides previous revision Previous revision
opinion:solar:sizing [2023/12/26 11:54]
frater_secessus [battery bank]
opinion:solar:sizing [2023/12/26 11:57] (current)
frater_secessus [battery bank]
Line 38: Line 38:
 You will **need somewhat more Ah capacity** You will **need somewhat more Ah capacity**
  
-      * if you have undersized solar +      * if you have undersized solar (lithium banks only) 
-      * you have lead-chemistry battery bank+      * you have lead-chemistry battery bank (50% usable capacity rather than 80% usable)
       * if charging is time-limited and you want maximal harvest from the alternator, shore, or other high-current charging source.  **Example: ** If battery specs say you can constant-charge at [[electrical:12v:battery_capacity|0.2C]] (20A per 100Ah of capacity) then((all other things being equal)) a 100Ah bank could take 20A, 200Ah could take 40A, and 300Ah could take 60A.         * if charging is time-limited and you want maximal harvest from the alternator, shore, or other high-current charging source.  **Example: ** If battery specs say you can constant-charge at [[electrical:12v:battery_capacity|0.2C]] (20A per 100Ah of capacity) then((all other things being equal)) a 100Ah bank could take 20A, 200Ah could take 40A, and 300Ah could take 60A.  
  
Line 46: Line 46:
     * if you run loads in the daytime instead of at night     * if you run loads in the daytime instead of at night
     * if you have [[electrical:solar:overpaneling|oversized solar]]     * if you have [[electrical:solar:overpaneling|oversized solar]]
 +    * if you drive often and have [[electrical:12v:alternator|altenator charging]]
     * you have lithium-chemistry battery bank((can be ~0.62% the size of the lead bank, due to deeper [[electrical:depth_of_discharge|DoD]].))     * you have lithium-chemistry battery bank((can be ~0.62% the size of the lead bank, due to deeper [[electrical:depth_of_discharge|DoD]].))
  
opinion/solar/sizing.txt · Last modified: 2023/12/26 11:57 by frater_secessus