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  2. HP 300LX - Wikipedia

    en.wikipedia.org/wiki/HP_300LX

    On the back of the device is the proprietary serial connection which has a maximum baud rate of 115,200 bit/s and the power adapter port. Power for the device was provided by 2 AA batteries with a CR2032 backup battery to save user data when the 2 AA batteries ran out.

  3. Phone Link - Wikipedia

    en.wikipedia.org/wiki/Phone_Link

    It is a native component of Windows 10 (since version 1809) and Windows 11, where it is a UWP app and consists of a driver that communicates with the Link to Windows [6] app on the mobile device. Phone Link makes use of Wi-Fi , Bluetooth for voice calls, or mobile data .

  4. USB On-The-Go - Wikipedia

    en.wikipedia.org/wiki/USB_On-The-Go

    The OTG device is allowed to charge and initiate SRP but not connect. [7] A charger and an A-device that is asserting V BUS (is providing power) are attached. The OTG device is allowed to charge and connect but not initiate SRP. [7] A charger and a B-device are attached. The OTG device is allowed to charge and enter host mode. [7]

  5. Smart battery - Wikipedia

    en.wikipedia.org/wiki/Smart_battery

    A smart battery or a smart battery pack is a rechargeable battery pack with a built-in battery management system (BMS), usually designed for use in a portable computer such as a laptop. [ 1 ] [ 2 ] In addition to the usual positive and negative terminals, a smart battery has two or more terminals to connect to the BMS; typically the negative ...

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  7. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    If a battery has been completely discharged (e.g. the car lights were left on overnight) and next is given a fast charge for only a few minutes, then during the short charging time it develops only a charge near the interface. The battery voltage may rise to be close to the charger voltage so that the charging current decreases significantly.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Programmable calculator - Wikipedia

    en.wikipedia.org/wiki/Programmable_calculator

    A special backup battery would ensure that the memory was not lost while the main batteries were changed. Battery removal and replacement had to be completed in a relatively short time. For example, with the HP 35s, battery replacement had to be completed in less than 2 minutes after removal. [11]