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2. DC connector - Wikipedia

   en.wikipedia.org/wiki/DC_connector

   Some common DC power connectors. A DC connector (or DC plug, for one common type) is an electrical connector that supplies direct current (DC) power. Compared to domestic AC power plugs and sockets, DC connectors have many more standard types that are not interchangeable. The dimensions and arrangement of DC connectors can be chosen to prevent ...

3. AC adapter - Wikipedia

   en.wikipedia.org/wiki/AC_adapter

   An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.

4. List of Arduino boards and compatible systems - Wikipedia

   en.wikipedia.org/wiki/List_of_Arduino_boards_and...

   Freeduino USB Mega 2560, designed in India with Male headers (coming soon with Female Headers). Suitable for use in project, R&D, device and applications Freeduino USB Mega 2560 is a cost-effective and 100% pin and software compatible to the popular Arduino Mega 2560. Uses through hole components and has male headers. Freeduino Lite v2 [177]

5. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   [79] [80] It is also used to charge electric vehicles such as cars and to either charge or power transit vehicles like buses and trains. [ 57 ] However the fastest growing use is wireless charging pads to recharge mobile and handheld wireless devices such as laptop and tablet computers , computer mouse , cellphones , digital media players , and ...

6. Coaxial power connector - Wikipedia

   en.wikipedia.org/wiki/Coaxial_power_connector

   Nokia 2-mm DC Charging Interface Specification [3] 4.65–9.3 V Nokia DC-096 (0.48×2.1 mm on socket side) Nokia AC-3 charger Nokia 2-mm DC Charging Interface, used in Nokia phones and Bluetooth headphones 2.35 0.70 9.5 A EIAJ-01 0–3.15 V Kobiconn 3218-EX Lumberg 1636 01 Kobiconn 0307-EX (inline)

7. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   Chargers for stationary battery plants may have adequate voltage regulation and filtration and sufficient current capacity to allow the battery to be disconnected for maintenance, while the charger supplies the direct current (DC) system load. The capacity of the charger is specified to maintain the system load and recharge a completely ...