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electrical:12v:laptop [2023/09/08 00:26] princess_fluffypants [DC adapters] |
electrical:12v:laptop [2023/09/08 00:34] princess_fluffypants [DC adapters] |
====== Charging and powering laptops ====== | ====== Charging and powering laptops ====== |
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Laptops are the most power-hungry of the nomad's communications devices; phones and tablets require [[electrical:solar:frugal|much less power]]. | Laptops are the most power-hungry of the nomad's communications devices; phones and tablets require [[electrical:solar:frugal|much less power]]. Pretty much the only communication device that will consume more power would be a [[communication:internet|Starlink]] dish. |
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There are two basic approaches to keeping your laptop charged on the road: | There are two basic approaches to keeping your laptop charged on the road: |
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===== opportunity charging ===== | ===== Opportunity Charging ===== |
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**Sit near outlets** whenever possible. When being seated by a host ask for a spot near an outlet. Test the outlet before settling in. | **Sit near outlets** whenever possible. When being seated by a host ask for a spot near an outlet. Test the outlet before settling in. |
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===== DC adapters ===== | ===== DC adapters ===== |
{{ :electrical:12v:12v_usb-c.png?nolink&400|}} | {{ :electrical:12v:12v_usb-c.png?nolink&300|}} |
Using a DC adapter for your laptop rather than an [[electrical:inverter|inverter]] + the original 110v charger can save 10% or more power that would otherwise be lost in the inversion process. | Using a DC adapter for your laptop rather than an [[electrical:inverter|inverter]] + the original 110v charger can save 10% or more power that would otherwise be lost in the inversion process. |
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{{:electrical:12v:12v_140w_usb-c.png?direct&200 |}} | {{:electrical:12v:12v_140w_usb-c.png?direct&200 |}} |
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For larger/newer laptops (made from late-2023), USB-C has been expanded to support 140w of power delivery((Technically refered to as USB-C PD 1.4)). This is too much for a cigarette lighter outlet((they're only rated for 10amps, which works out to 120w)), but [[https://www.usbgear.com/cg-pd140epr.html|direct-wire DC power supplies will give you a 140w capable USB-C port]]. | For larger/newer laptops (made from late-2023), USB-C has been expanded to support 140w of power delivery((Technically refered to as USB-C PD 1.4)). This is too much for a [[electrical:12v:ports|cigarette lighter]] outlet((they're only rated for 10amps, which works out to 120w)), but [[https://www.usbgear.com/cg-pd140epr.html|direct-wire DC power supplies will give you a 140w capable USB-C port]]. |
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===== reduce power consumption ===== | ===== reduce power consumption ===== |