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A portable power bank charging a mobile phone. A power bank is a portable device consisting of a battery, a charger to interface battery with charging power source and an output interface to provide desired output voltage. [10] Power banks are made in various sizes and typically based on lithium-ion batteries.
The first stage is referred to as "bulk absorption"; the charging current is held high and constant and is limited by the capacity of the charger. When the voltage on the battery reaches its outgassing voltage (2.22 volts per cell) the charger switches to the second stage, and the voltage is held constant (2.40 volts per cell).
Binny Bansal (born 1982/1983) is an Indian billionaire [2] [3] Internet entrepreneur. [3] As of February 2024, his net worth was estimated at US$1.4 billion. [1] In 2007 he co-founded the e-commerce platform Flipkart.
[2] Smart charging can be divided into two charging management systems, User-managed charging (UMC) and Supplier-managed charging (SMC). [3] For UMC, a Time-of-Use tariff is applied, and the customer decides the timing to charge based on the price and needs.
Flipkart Health+ (formerly known as SastaSundar Healthbuddy Limited), [2] is a e-commerce platform dealing in healthcare, online pharmacy, diagnostics and e-consultation in India. [ 3 ] [ 4 ] The company was co-founded in 2013, by Banwari Lal Mittal and Ravi Kant Sharma with the name SastaSundar Healthbuddy in Kolkata. [ 5 ]
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