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Charging & Power buying guides

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Cables & Adapters

For a Lightning device, choose a USB-C-to-Lightning cable when the charging source has a USB-C port.¹² For audio, choose a headphone socket for headphones or a 3.5 mm AUX plug for the stereo input.³⁴ For a screen, match HDMI or DisplayPort to the display input and check the computer’s video-port requirements, including the specified DisplayPort Alt Mode support.⁵⁶⁷ For Micro-B devices, check whether the device-end plug is the narrow USB 2.0 shape or the wider USB 3.x shape before choosing the host connector or transfer rate.⁸⁹

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Chargers

Choose wall chargers by connector fit and shared power allocation.¹⁰¹¹ Match wireless car chargers to the mounting location and charging stations to your phone, watch and earbuds.¹²¹³¹⁴ For several devices at a desk, match the USB connectors and check both combined output and the limit for one port.¹⁵ For a wireless phone charger, match the charging standard to your phone and check whether the power supply is included.¹⁶

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Docks & Hubs

Docks and hubs add monitor and accessory connections to a laptop or a handheld console.¹⁷¹⁸ Choose the display connections and charging support that fit your computer; a dock with monitor outputs does not necessarily charge the laptop.¹⁷¹⁹

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Mains Power

Choose a UPS for battery-backed power during outages, or a rack PDU to distribute power to compatible equipment.²⁰²¹ Some PDUs add outlet switching and metering.²¹²² Match supply voltage, input plug, equipment cords and connected load to the PDU’s stated ratings.²¹²²²³ Choose a line conditioner for its documented voltage-correction range, matching the supply, connectors and continuous-load limit to your equipment.²⁴