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2. 48-volt electrical system - Wikipedia

   en.wikipedia.org/wiki/48-volt_electrical_system

   A 48 V system can provide more power, improve energy recuperation, [7] and allow up to an 85% decrease in cable mass. [10]12-volt systems can provide only 3.5 kilowatts, while a 48 V power could achieve 15 to 20 kW or even 50 kW. 48 volts is below the level that is considered safe in dry conditions without special protective measures. [11]

3. Phantom power - Wikipedia

   en.wikipedia.org/wiki/Phantom_Power

   AKG C1000S, uses phantom power or a battery. Some microphones offer a choice of internal battery powering or (external) phantom powering. In some such microphones, it is advisable to remove the internal batteries when phantom power is being used since batteries may corrode and leak chemicals.

4. Comparison of single-board microcontrollers - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_single-board...

   Open source Alternator Regulator suitable for 12v to 48v systems with many different battery chemistries (Lead-Acid, LiFeP04, etc..). Multi stage (3, 4), fully configurable. Features battery voltage and current measurement to assure complete and safe battery charging as well as CAN support for communications with other devices and status output ...

5. Power over Ethernet - Wikipedia

   en.wikipedia.org/wiki/Power_over_Ethernet

   In this configuration, an Ethernet connection includes Power over Ethernet (PoE) (gray cable looping below), and a PoE splitter provides a separate data cable (gray, looping above) and power cable (black, also looping above) for a wireless access point. The splitter is the silver and black box in the middle between the wiring junction box (left ...

6. Lithium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Lithium-ion_battery

   A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.

7. Boost converter - Wikipedia

   en.wikipedia.org/wiki/Boost_converter

   A boost converter or step-up converter is a DC-to-DC converter that increases voltage, while decreasing current, from its input to its output . It is a class of switched-mode power supply (SMPS) containing at least two semiconductors, a diode and a transistor , and at least one energy storage element: a capacitor , inductor , or the two in ...