The difference between drone lithium battery 3s and 4s

What do the 2s, 3s, 4s… marked on the drone lithium battery mean? 2s, 3s, 4s are all multiples of a single lithium battery, and they are connected together to form a higher voltage battery. If two batteries or two batteries are connected in series, the voltage will increase; 2S battery means that there are […]

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