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Battery structure A modern battery is a series-parallel connection of elements according to a certain scheme. For example, a lithium battery Li-Ion 12V 21Ah (3s7p) consists of 21 lithium cells asse..
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POC - is a PTT (Push-to-talk) call over the cellular network. In other words, it is a technology that uses a broadband cellular network and a broadband WiFi network to build a network and organize com..
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Features of lithium batteries Lithium batteries - certainly have advantages over lead-acid batteries. Among the advantages I would like to highlight: No memory effect; Higher energy density..
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