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2. List of Amazon products and services - Wikipedia

   en.wikipedia.org/wiki/List_of_Amazon_products...

   In March 2014, Amazon announced an increase in the annual membership fee for Amazon Prime, from $79 to $99 for customers in the United States. [14] [21] Shortly after this change, Amazon announced Prime Music, a service in which members can get unlimited, ad-free streaming of over a million songs and access to curated playlists. [22]

3. Solar inverter - Wikipedia

   en.wikipedia.org/wiki/Solar_inverter

   Internal view of a solar inverter. Note the many large capacitors (blue cylinders), used to buffer the double line frequency ripple arising due to single-phase ac system.. A solar inverter or photovoltaic (PV) inverter is a type of power inverter which converts the variable direct current (DC) output of a photovoltaic solar panel into a utility frequency alternating current (AC) that can be ...

4. Soft-switching three-level inverter - Wikipedia

   en.wikipedia.org/wiki/Soft-switching_three-level...

   A soft-switching three-level inverter (S3L inverter) is a high-efficiency power electronic inverter intended, in particular, for use with three-phase drives, as a grid-tie inverter for photovoltaic installations or wind turbines and in power supplies. [1] The topology was developed in 2009 at HTWG Konstanz (Constance University of Applied ...

5. SMA Solar Technology - Wikipedia

   en.wikipedia.org/wiki/SMA_Solar_Technology

   A Sunny Mini Central mounted with a ground-mounted system in Speyer, down the Rhine A Sunny Mini Central mounted next to photovoltaic solar modules. The company was founded by Werner Kleinkauf and former board members Günther Cramer (1952–2015), Peter Drews and Reiner Wettlaufer as a separate company from the University of Kassel, subsequently renamed in 2004 to SMA Technologie AG.

6. MagSafe (wireless charger) - Wikipedia

   en.wikipedia.org/wiki/MagSafe_(wireless_charger)

   Users have reported MagSafe Chargers leaving circular imprints on leather cases. [18] On September 9, 2024, Apple discontinued the original MagSafe Charger and replaced it with a second-generation model that provides up to 25 W of power with the iPhone 16/16 Pro and is compatible with the Qi2 standard for up to 15 W of power. Apple recommends a ...

7. Welding power supply - Wikipedia

   en.wikipedia.org/wiki/Welding_power_supply

   The IGBTs in an inverter based machine are controlled by a microcontroller, so the electrical characteristics of the welding power can be changed by software in real time, even on a cycle by cycle basis, rather than making changes slowly over hundreds if not thousands of cycles. Typically, the controller software will implement features such as ...

8. Electric car charging methods - Wikipedia

   en.wikipedia.org/wiki/Electric_car_charging_methods

   Non-contact charging utilizes magnetic resonance to transfer energy in the air between the charger and battery. This achieves a highly efficient energy transformation. [7] As the non-contact charger could keeping charging the vehicle, it allows EVs to have a smaller battery. By itself, it is more economical, safer and more sustainably developed.

9. Honda Mobile Power Pack - Wikipedia

   en.wikipedia.org/wiki/Honda_Mobile_Power_Pack

   In 2021, an updated Mobile Power Pack e: (DM5026Z) was released with an increased maximum storage capacity of 26.1 A-h (1,314 W-h at 50.26 V). [5] When the Honda EM1 e: was released in 2023, capacity had increased again to 29.4 A-h (1,475 W-h).