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electrical:12v:laptop

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electrical:12v:laptop [2018/05/19 07:19]
frater_secessus [charge at the right time]
electrical:12v:laptop [2020/01/07 20:49]
frater_secessus [use a power-sipping laptop]
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 If the label only shows output in volts and amps we can use Ohm's law to calculate watts.  In this case, 19v x 4.62A = 87.78W, which is in line with the 90W number on the label.  If the label only shows output in volts and amps we can use Ohm's law to calculate watts.  In this case, 19v x 4.62A = 87.78W, which is in line with the 90W number on the label. 
 +
 +Example from secessus' personal experience:
 +  * older Dell corporate laptop, **90w**
 +  * new entry level laptop with very similar benchmarks as the Dell, **30w**
 +  * chromebook, **16w**
  
  
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 ===== reduce power consumption ===== ===== reduce power consumption =====
  
-You can't affect how fast the laptop charges, so we will focus on reducing power consumption.  Some very easy easy techniques can make a big difference.+You can't affect how fast the laptop charges, so we will focus on reducing power consumption.  Some very easy techniques can make a big difference.
  
 ==== screen brightness ==== ==== screen brightness ====
Line 67: Line 72:
 If you want to allow the animations but not have them consume as much power you can switch to another tab so the animation is no longer rendered.   If you want to allow the animations but not have them consume as much power you can switch to another tab so the animation is no longer rendered.  
  
 +==== disable networking ====
 +
 +If you don't need networking for the current task, consider disabling wifi and bluetooth.
 ==== reduce bandwidth ==== ==== reduce bandwidth ====
  
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 ===== charge at the right time ===== ===== charge at the right time =====
  
-If you charge your laptop [[electrical:solar:nonessential|when the system has excess power]] it's basically charging "for free".+If you charge your laptop while driving or [[electrical:solar:nonessential|when the system has excess solar power]] it's basically charging "for free".
    
  
electrical/12v/laptop.txt ยท Last modified: 2023/09/08 00:41 by princess_fluffypants