User Tools

Site Tools


electrical:12v:eternal_absorption

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
Next revision Both sides next revision
electrical:12v:eternal_absorption [2020/07/08 15:02]
frater_secessus [dealing with insufficient Absorption]
electrical:12v:eternal_absorption [2020/09/17 20:03]
frater_secessus [gotchas]
Line 21: Line 21:
 The Eternal Absorption approach completely forgoes Float stage, forcing the controller to stay in Absorption by **setting Vfloat to Vabs**. This addresses the controller issues above.  It will not address the insolation problem on a given day, but extended Absorption will help reduce damage from previous days of poor harvest.  The Eternal Absorption approach completely forgoes Float stage, forcing the controller to stay in Absorption by **setting Vfloat to Vabs**. This addresses the controller issues above.  It will not address the insolation problem on a given day, but extended Absorption will help reduce damage from previous days of poor harvest. 
  
 +Alternatively, see:  [[electrical:severe_battery_use#increasing_effective_absorption_duration|increasing effective Vabs duration through increased voltage]].
 ===== side benefits ===== ===== side benefits =====
  
Line 31: Line 31:
 ===== gotchas ===== ===== gotchas =====
  
-  * increased Vabs duration will require more frequent watering, due to increased outgassing+  * increased Vabs duration may require more frequent watering, due to increased outgassing.((but see [[http://bdp.mousetrap.net/index.php/2020/09/18/watered-batteries-after-three-weeks-of-eternal-absorption/|this blog post]] which suggests no dramatic increase))  
   * calcium-enhanced batteries (typically starter batteries and some hybrid "marine" batteries) can be damaged((positive grid corrosion)) by long periods of excess voltage.    The question is which is worse for them:  chronic undercharging or grid corrosion from higher voltage.  Pick your poison.   * calcium-enhanced batteries (typically starter batteries and some hybrid "marine" batteries) can be damaged((positive grid corrosion)) by long periods of excess voltage.    The question is which is worse for them:  chronic undercharging or grid corrosion from higher voltage.  Pick your poison.
  
electrical/12v/eternal_absorption.txt ยท Last modified: 2021/05/05 11:04 by frater_secessus