What is the nominal voltage of the battery pack?
The nominal voltage of the battery pack is 11.1V. This is achieved by connecting 3 cells in series, as each cell has a nominal voltage of 3.7V. Such a pack is commonly referred to as a '3S pack'.
What is the voltage of each cell in the battery pack?
The nominal voltage of each cell is 3.7 V. The desired nominal voltage of the battery pack is 11.1V. No of cells required for series connection = 11.1 / 3.7 = 3 nos Commonly cells in series are abbreviated in terms of ‘S’, so this pack will be known as a “3S pack”.
What voltage is needed to charge the battery pack?
You can charge the battery pack by a 12.6V DC adapter. You can get it easily from aliexpress or eBay.
What is the chemistry of lithium ion batteries?
In the present world, lithium-ion is the most promising chemistry of all batteries. Most battery packs used in various devices like laptops, RC toys, drones, medical devices, power tools, e-bikes, and electric cars (EV) are based on 18650 batteries.
How to make a DIY 18650 battery pack?
To make a DIY 18650 battery pack, first finalize the nominal voltage and capacity. Then, connect the cells in parallel to reach the desired capacity and connect such parallel groups in series to achieve the nominal voltage.
How many cells are in the battery pack?
The battery pack is made up of 15 cells in total, arranged in 3 parallel groups connected in series, with each parallel group containing 5 cells.
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