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electrical:12v:laptop [2018/05/02 18:57] frater_secessus [reduce networking] |
electrical:12v:laptop [2023/09/08 00:34] princess_fluffypants [DC adapters] |
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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 | + | There are two basic approaches to keeping your laptop |
- | ===== use a power-sipping | + | - charge whenever possible |
+ | - use less power when not charging | ||
+ | |||
+ | |||
+ | ===== Opportunity Charging ===== | ||
+ | |||
+ | **Sit near outlets** whenever possible. | ||
+ | |||
+ | **Be ready to charge** - keep the laptop' | ||
+ | |||
+ | Install | ||
+ | ===== Use a smaller | ||
{{ : | {{ : | ||
- | If you don't already own a laptop, consider buying one that uses less power. | + | If you don't already own a laptop, consider buying one that uses less power. |
+ | |||
+ | One crude measure will be the wattage rating of the AC adapter. | ||
Sometimes the adapter will give watts on the back label or in the documentation. | Sometimes the adapter will give watts on the back label or in the documentation. | ||
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' | ||
+ | * Full-sized (16"+) gaming laptops: **200-300w** | ||
+ | * Larger 15" corporate or engineering laptops, **90w-140w** | ||
+ | * MacBook Pro, most 13-15" laptops **65w** | ||
+ | * Entry level/ | ||
+ | * Chromebooks, | ||
---- | ---- | ||
+ | |||
+ | ===== use laptop substitutes ===== | ||
+ | |||
+ | Checking email on a phone will use much less power than doing the same thing on a laptop. | ||
+ | |||
+ | Watching movies on a tablet or even a phone will use less power than a laptop. | ||
+ | |||
+ | ===== DC adapters ===== | ||
+ | {{ : | ||
+ | Using a DC adapter for your laptop rather than an [[electrical: | ||
+ | |||
+ | Almost all small-to-medium modern laptops run off USB-C, which is commonly rated for up to 90w; a [[https:// | ||
+ | |||
+ | Dell sells a 12v power supply for their older/ | ||
+ | |||
+ | {{: | ||
+ | |||
+ | For larger/ | ||
===== 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. | ||
+ | ==== disable networking ==== | ||
+ | |||
+ | If you don't need networking for the current task, consider disabling wifi and bluetooth. | ||
==== reduce bandwidth ==== | ==== 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. | + | [[communication: |
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===== charge at the right time ===== | ===== charge at the right time ===== | ||
+ | If you charge your laptop while driving or [[electrical: | ||
+ | ===== virtual servers ===== | ||
+ | If you are running a PC or laptop because some client or service needs to be active, consider moving that client/ | ||