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electrical:12v:laptop [2023/09/08 00:19] princess_fluffypants [use a power-sipping laptop] |
electrical:12v:laptop [2023/09/08 00:26] princess_fluffypants [DC adapters] |
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===== DC adapters ===== | ===== DC adapters ===== |
| {{ :electrical:12v:12v_usb-c.png?nolink&400|}} |
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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Dell sells a 12v power supply for their older/larger laptops that is much less bulky than generics: [[https://www.dell.com/en-us/shop/dell-auto-air-adapter-90w/apd/450-aelt/pc-accessories|Dell 12v Auto/Air DC Power Adapter]]. | Dell sells a 12v power supply for their older/larger laptops that is much less bulky than generics: [[https://www.dell.com/en-us/shop/dell-auto-air-adapter-90w/apd/450-aelt/pc-accessories|Dell 12v Auto/Air DC Power Adapter]]. |
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For larger/newer laptops (made post-2023), USB-C has been expanded to support 140w of power delivery. This is too much for a cigarette lighter outlet, but [[https://www.usbgear.com/cg-pd140epr.html|direct-wire DC power supplies will give you a 140w capable USB-C port]]. | {{: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]]. |
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===== reduce power consumption ===== | ===== reduce power consumption ===== |