![Is this safe? For T480. I know USB-C negotiates from 5V to 20V gradually in steps, so idk if sudden 20V like this from adapter would kill it. I have many portable Is this safe? For T480. I know USB-C negotiates from 5V to 20V gradually in steps, so idk if sudden 20V like this from adapter would kill it. I have many portable](https://external-preview.redd.it/is-this-safe-for-t480-i-know-usb-c-negotiates-from-5v-to-v0-x46kmKWf0KjSxH8NXtjXaBuRqS7VkIdJgBNysELqxPE.jpg?auto=webp&s=781c8f5c64fcc42a0cc145fa92911b6e5edd3213)
Is this safe? For T480. I know USB-C negotiates from 5V to 20V gradually in steps, so idk if sudden 20V like this from adapter would kill it. I have many portable
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![Question about T480 USB-C and Thunderbolt 3 ports w/ Thunderbolt 3 Dock Gen 2 (40AN0135US). See comment for details. : r/thinkpad Question about T480 USB-C and Thunderbolt 3 ports w/ Thunderbolt 3 Dock Gen 2 (40AN0135US). See comment for details. : r/thinkpad](https://i.redd.it/sh6cnvhuzcx61.png)
Question about T480 USB-C and Thunderbolt 3 ports w/ Thunderbolt 3 Dock Gen 2 (40AN0135US). See comment for details. : r/thinkpad
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T480 charging issue. Red light is showing but laptop is not charging. Sometimes it gets opened and gives error message- "The connected AC adapter has a lower wattage than the recommended model
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