W dniu 2018-12-16 o 01:33, kk pisze:
> http://niusy.pl/@allegro.pl/a5h
>
> Może coś tak prostego wystarczy?

https://www.aliexpress.com/item/Multi-function-Water
proof-Red-LED-AC-Digital-Voltmeter-Electric-Motorcyc
le-12V-Lead-acid-Voltage-Meter-Gauge/32761793507.htm
l

to mam - mozna kalibrowac bt pokryc straty na kablach. mozna zmienic
zakres i np monitorowac jedno ogniwo li-ion jak i aku czy baterię
akumulatorow (12V, 24V, 36V, 48V, 56V, 60V, 64V, 72V, 84V lead-acid
battery, lithium battery or NI-MH battery by yourself. Or you can also
set up the quantity of battery series connection.)