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Solar Charger
A solar charger is a charger that employs solar energy to supply electricity to devices or batteries. They are generally portable. Solar chargers can charge lead acid or Ni-Cd battery banks up to 48 V and hundreds of ampere hours (up to 4000 Ah) capacity. Such type of solar charger setups generally use an intelligent charge controller. A series of solar cells are installed in a stationary location (ie: rooftops of homes, base-station locations on the ground etc.) and can be connected to a battery bank to store energy for off-peak usage. They can also be used in addition to mains-supply chargers for energy saving during the daytime. Most portable chargers can obtain energy from the sun only. Examples of solar chargers in popular use include: *Small portable models designed to charge a range of different mobile phones, cell phones, iPods or other portable audio equipment. *Fold out models designed to sit on the dashboard of an automobile and plug into the cigar/12v lighter socke ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AAA Battery
The AAA battery (or triple-A battery) is a standard size of dry cell battery. One or more AAA batteries are commonly used in low-drain portable electronic devices. A zinc–carbon battery in this size is designated by IEC as R03, by ANSI C18.1 as 24, by old JIS standard as UM-4, and by other manufacturer and national standard designations that vary depending on the cell chemistry. The size was first introduced by The American Ever Ready Company in 1911. In China, they are called #7 batteries, the name originating from Charles F. burgess of the Burgess Battery Company designating his AAA batteries "Number 7". An AAA battery is a single cell that measures in diameter and in length, including the positive terminal button, which is a minimum . The positive terminal has a maximum diameter of ; the flat negative terminal has a minimum diameter of . Alkaline AAA batteries weigh around , while primary lithium AAA batteries weigh about . Rechargeable nickel–metal hydride (N ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mass Production
Mass production, also known as mass production, series production, series manufacture, or continuous production, is the production of substantial amounts of standardized products in a constant flow, including and especially on assembly lines. Together with job production and batch production, it is one of the three main production methods. The term ''mass production'' was popularized by a 1926 article in the ''Encyclopædia Britannica'' supplement that was written based on correspondence with Ford Motor Company. ''The New York Times'' used the term in the title of an article that appeared before the publication of the ''Britannica'' article. The idea of mass production is applied to many kinds of products: from fluids and particulates handled in bulk (food, fuel, chemicals and mined minerals), to clothing, textiles, parts and assemblies of parts ( household appliances and automobiles). Some mass production techniques, such as standardized sizes and production lines, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Advertisement
Advertising is the practice and techniques employed to bring attention to a Product (business), product or Service (economics), service. Advertising aims to present a product or service in terms of utility, advantages, and qualities of interest to Consumer, consumers. It is typically used to promote a specific good or service, but there are a wide range of uses, the most common being commercial advertisement. Commercial advertisements often seek to generate increased Consumption (economics), consumption of their products or services through "Branding (promotional), branding", which associates a product name or image with certain qualities in the minds of consumers. On the other hand, ads that intend to elicit an immediate sale are known as Direct marketing, direct-response advertising. Non-commercial entities that advertise more than consumer products or services include Political party, political parties, Interest group, interest groups, Religious organization, religious o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wi-Fi
Wi-Fi () is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for Wireless LAN, local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in small office/home office, home and small office networks to link devices and to provide Internet access with wireless routers and wireless access points in public places such as coffee shops, restaurants, hotels, libraries, and airports. ''Wi-Fi'' is a trademark of the Wi-Fi Alliance, which restricts the use of the term "''Wi-Fi Certified''" to products that successfully complete Interoperability Solutions for European Public Administrations, interoperability certification testing. Non-compliant hardware is simply referred to as WLAN, and it may or may not work with "''Wi-Fi Certified''" devices. the Wi-Fi Alliance consisted of more than 800 companies from ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tourists
Tourism is travel for pleasure, and the Commerce, commercial activity of providing and supporting such travel. World Tourism Organization, UN Tourism defines tourism more generally, in terms which go "beyond the common perception of tourism as being limited to holiday activity only", as people "travelling to and staying in places outside their usual environment for not more than one consecutive year for leisure and not less than 24 hours, business and other purposes". Tourism can be Domestic tourism, domestic (within the traveller's own country) or International tourism, international. International tourism has both incoming and outgoing implications on a country's balance of payments. Between the second half of 2008 and the end of 2009, tourism numbers declined due to a severe Economy, economic slowdown (see Great Recession) and the outbreak of the 2009 2009 flu pandemic, H1N1 influenza virus. These numbers, however, recovered until the COVID-19 pandemic put an abrupt end to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pedestrian
A pedestrian is a person traveling on foot, by wheelchair or with other mobility aids. Streets and roads often have a designated footpath for pedestrian traffic, called the '' sidewalk'' in North American English, the ''pavement'' in British English, and the ''footpath'' in Australian and New Zealand English. There are also footpaths not associated with thoroughfares; these include rural paths and urban short cuts. Historically, walking has been the main way people get around. In the early use of the word, ''pedestrian'' meant a "professional walker", or somebody who held a record for speed or endurance. With the advent of cars, it started to be used as an opposite: somebody who is not riding or driving. As walking is a healthy and sustainable mode of transport, there are efforts to make cities more walkable. For instance, by creating wider sidewalks, a pedestrian network, or restricting motor vehicles in city centres. Pedestrians are vulnerable and can be injured, for e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NRG Energy, Inc
NRG may refer to: Music * Several electronic music genres, including: ** Hi-NRG, an early evolution of new-style disco ** Hard NRG, a hard form of dance music ** Euro-NRG, another name for Eurodance * DJ NRG, an alias of Eurobeat artist Ken Laszlo (Gianni Coraini) * NRG (South Korean band) * " N-R-G", a 1990 song by Adamski Organisations * Nieuw Republikeins Genootschap, a Dutch republican society * NRG Energy, an energy company ** NRG Park, Houston, Texas, US ** NRG Stadium ** NRG Station, Philadelphia, Pennsylvania, US * NRG Engineering, Singapore * NRG360, previously nrg, a defunct Israeli news site * NRG Networks, a UK-based business networking organisation * NRG Recording Studios in North Hollywood, US * Nuclear Research and Consultancy Group, Netherlands * NRG Esports, an American esports organization * Gestetner Group, later NRG Group * , a Norwegian private school * Northern Research Group, a group of MPs within the UK Conservative Party Biochemistry *Neure ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strawberry Tree (solar Energy Device)
The Strawberry Tree is the world’s first public solar charger for mobile devices. It was developed by Serbia , image_flag = Flag of Serbia.svg , national_motto = , image_coat = Coat of arms of Serbia.svg , national_anthem = () , image_map = , map_caption = Location of Serbia (gree ...n company Strawberry Energy. It won first place in the European Commission’s "Sustainable energy week 2011" competition in Brussels, in the category ''Consuming''. Functionalities Strawberry Tree is a solar and WiFi station which is permanently installed in public places such as streets, parks and squares, providing passersby with the opportunity to charge their mobile devices for free when they are outside. Its main parts are: * Solar panels that transform solar energy to electrical energy * Rechargeable batteries which accumulate energy and make Strawberry Tree function for more than 14 days without sunshine * Sixt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrical Outlet
AC power plugs and sockets connect devices to mains electricity to supply them with electrical power. A plug is the connector attached to an electrically operated device, often via a cable. A socket (also known as a receptacle or outlet) is fixed in place, often on the internal walls of buildings, and is connected to an AC electrical circuit. Inserting ("plugging in") the plug into the socket allows the device to draw power from this circuit. Plugs and wall-mounted sockets for portable appliances became available in the 1880s, to replace connections to light sockets. A proliferation of types were subsequently developed for both convenience and protection from electrical injury. Electrical plugs and sockets differ from one another in voltage and current rating, shape, size, and connector type. Different standard systems of plugs and sockets are used around the world, and many obsolete socket types are still found in older buildings. Coordination of technical standards has all ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrical Cell Phone Chargers
A battery charger, recharger, or simply charger, is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged. Some battery types have high tolerance for overcharging after the battery has been fully charged and can be recharged by connection to a constant voltage source or a constant current source, depending on battery type. Simple chargers of this type must be manually disconnected at the end of the charge cycle. Other battery types use a timer to cut off when charging should be complete. Other battery types cannot withstand over-charging, becoming damaged (reduced capacity, reduced lifetime), over heating or even exploding. The charger may have temperature or voltage sensing circuits and a microprocessor controller to safely adjust the charging current and voltage, determine the state ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cell Phone Batteries
A mobile phone feature is a capability, service, or application that a mobile phone offers to its users. Mobile phones are often referred to as feature phones, and offer basic telephony. Handsets with more advanced computing ability through the use of native code try to differentiate their own products by implementing additional functions to make them more attractive to consumers. This has led to great innovation in mobile phone development over the past 20 years. The common components found on all phones are: * A number of metal–oxide–semiconductor (MOS) integrated circuit (IC) chips. * A battery (typically a lithium-ion battery), providing the power source for the phone functions. * An input mechanism to allow the user to interact with the phone. The most common input mechanism is a keypad, but touch screens are also found in smartphones. * Basic mobile phone services to allow users to make calls and send text messages. * All GSM phones use a SIM card to allow an account to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solar Panel
A solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that produce excited electrons when exposed to light. These electrons flow through a circuit and produce direct current (DC) electricity, which can be used to power various devices or be stored in battery (electricity), batteries. Solar panels are also known as solar cell panels, solar electric panels, or PV modules. Solar panels are usually arranged in groups called arrays or systems. A photovoltaic system consists of one or more solar panels, an solar inverter, inverter that converts DC electricity to alternating current (AC) electricity, and sometimes other components such as charge controller, controllers, Measuring instrument, meters, and solar tracker, trackers. Most panels are in solar farms or Rooftop solar power, rooftop solar panels which grid-connected photovoltaic system, supply the electricity grid. Some advantages of solar panels are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
