Yes, single cell voltage charging all in parallel your limits on how many cells you can charge at any given time is pretty open. There is a minimum number of cells you can charge in parallel so you don't try to charge them too fast. Obviously if your charging system won't charge one cell by itself too fast then your minimum number in parallel to safely charge is one cell, not a problem. There is also a maximum limit to how many you can charge together in parallel due to battery internal resistance. If you get enough of them in parallel on a small enough charger all the power of the charger is used to overcome the batteries internal resistance because you have so many of them it overwhelms the charger. Usually there is a very large gap between the minimum number and maximum number of cells that can be charged together in parallel. Just letting you know there is a limit on both ends. If you build your charger so that it charges a single cell as fast as it can be safely charged then usually you can do up all your cells in parallel on the same charger without reaching the upper limit and overwhelming the charger. I'd have to know the exact internal resistance specs. of your cells compared to their capacity to tell exactly how many that would be but it would really surprise me if you can't handle at least 20+ cells in parallel charging on a single cell fast charger built to charge a single cell as fast as safely possible.
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I am planning to charge them on 12V input with adjustable resistor to set at 4.1V, is it correct that if i put 1 or 10 or 100 batteries in parallel it will not burn the wires but just charge slower ? (i did charge 3 in series but not tried this jet,and btw computer shut down if i make changes when turned on,i guess its some safe mode and batteries wold run some added fans if plugged)
I t was connected to my computerīs MOLEKS....
3.)this is for later but what do you guys think about the idea of adding an extra battery for voltage drop,so if i have 48.1 voltage and it drops could i switch on the extra battery so i have extra duration or maybe just put 51.8 all together
4.)i am thinking about putting my batteries on air so do you guys think it could help battery life ? (i think this could REALLY help,will need some anti water coating + Sun protector, idea is that air flows trough them as you ride (in some cube full of nets,similar to 3D led cubeīs structure! )
P.S. if you find this interesting i could put some drawings