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electrical:12v:laptop [2018/03/29 13:28] frater_secessus [eliminate cpu-taxing animations] |
electrical:12v:laptop [2020/01/07 20:49] frater_secessus [use a power-sipping laptop] |
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====== Charging and powering laptops ====== | ====== Charging and powering laptops ====== | ||
- | Laptops are the most power-hungry of the nomad' | + | Laptops are the most power-hungry of the nomad' |
There are several techniques for successful laptop use on the road. | There are several techniques for successful laptop use on the road. | ||
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If the label only shows output in volts and amps we can use Ohm's law to calculate watts. | If the label only shows output in volts and amps we can use Ohm's law to calculate watts. | ||
+ | |||
+ | Example from secessus' | ||
+ | * older Dell corporate laptop, **90w** | ||
+ | * new entry level laptop with very similar benchmarks as the Dell, **30w** | ||
+ | * chromebook, **16w** | ||
---- | ---- | ||
+ | |||
+ | ===== use a DC adapter ===== | ||
+ | Using a DC adapter for your laptop rather than an [[electrical: | ||
+ | |||
+ | Many modern laptops run off 19v; a DC adapter will convert your nominal 12v DC power to 19v. You can buy an OEM adapter by searching ebay for something like [[https:// | ||
+ | |||
+ | |||
===== reduce power consumption ===== | ===== reduce power consumption ===== | ||
- | You can't affect how fast the laptop charges, so we will focus on reducing power consumption. | + | You can't affect how fast the laptop charges, so we will focus on reducing power consumption. |
==== screen brightness ==== | ==== screen brightness ==== | ||
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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. | ||
- | ==== reduce | + | ==== disable |
+ | |||
+ | If you don't need networking for the current task, consider disabling wifi and bluetooth. | ||
+ | ==== reduce bandwidth ==== | ||
+ | |||
+ | Reducing bandwidth usage will, in addition to easing the pain on your checkbook, reduce the processing power needed to handle the data. It will also reduce the amount of time the wifi or bluetooth are transmitting. | ||
+ | |||
- | ===== charge at the right time ===== | ||
+ | ===== charge at the right time ===== | ||
+ | If you charge your laptop while driving or [[electrical: | ||