Zero-error 1 second timing algorithm
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18650 Li-Ion Cell - The Iconic Battery!
18650 - This is the most common standard for a Li-Ion battery (or Cell in correct technical terms). In your Laptop, usually multiple 18650 cells are connected in series to provide a higher voltage. A 2-cell battery (Multiple cells connected together is technically called a battery), will have 2 cells in series and produce 7.2 to 7.4 Volts.
The Power Bank that we talked about in my earlier post usually comprises or 1 or more 18650 cells - But these are connected in parallel.
There are wild claims regarding the capacity of power banks and 18650 cells as well. So lets make it clear here - The Size of a 18650 cell is 18x65mm. In that space there is little room for wild swings in capacity - The Chemistry is nearly the same. So we have real capacities ranging from 2,000mAH to 3,100mAH.
Cell capacities are Colour coded (You can check the details in one of the links below). The Purple Colour Cell manufactured by Samsung is one very commonly available battery and has a capacity of 2,600m…
The Power Bank that we talked about in my earlier post usually comprises or 1 or more 18650 cells - But these are connected in parallel.
There are wild claims regarding the capacity of power banks and 18650 cells as well. So lets make it clear here - The Size of a 18650 cell is 18x65mm. In that space there is little room for wild swings in capacity - The Chemistry is nearly the same. So we have real capacities ranging from 2,000mAH to 3,100mAH.
Cell capacities are Colour coded (You can check the details in one of the links below). The Purple Colour Cell manufactured by Samsung is one very commonly available battery and has a capacity of 2,600m…
USB Meter - For Measuring Capacity of a USB Power Bank & Other 5V Devices
You have bought a power bank and are wondering if it really measures up to the advertised Capacity?
Check with this Power Meter.
You can connect it to any USB Power Source like your Power Bank.It will Show you the Output Voltage of the Power Bank - This should be 5VOn the USB Female side you connect your Load.You can then see the Current that the Device Consumes.Leave it on for a while and it can give you an indication of the Power Consumed. This is also the Power delivered by the source (Could be your Power Bank)
It measures Voltage & Current - Power = Voltage x Current (For DC Voltages like this one)
The Total Energy that can be delivered by your Power Bank = The Capacity of your Power Bank.
Energy (Or Capacity) is the ability for the Power Bank to give X Watts for T Time before it runs out of juice.
Hence TIME is the factor that comes into play to measure the Total Energy that can be delivered by your Power Bank or The Capacity of your Power Bank
Capacity = Total Energy that y…
Check with this Power Meter.
You can connect it to any USB Power Source like your Power Bank.It will Show you the Output Voltage of the Power Bank - This should be 5VOn the USB Female side you connect your Load.You can then see the Current that the Device Consumes.Leave it on for a while and it can give you an indication of the Power Consumed. This is also the Power delivered by the source (Could be your Power Bank)
It measures Voltage & Current - Power = Voltage x Current (For DC Voltages like this one)
The Total Energy that can be delivered by your Power Bank = The Capacity of your Power Bank.
Energy (Or Capacity) is the ability for the Power Bank to give X Watts for T Time before it runs out of juice.
Hence TIME is the factor that comes into play to measure the Total Energy that can be delivered by your Power Bank or The Capacity of your Power Bank
Capacity = Total Energy that y…