4 FAQs about Communication base station lithium battery series connection

Why are lithium batteries connected in series?

Lithium batteries are connected in series when the goal is to increase the nominal voltage rating of one individual lithium battery - by connecting it in series strings with at least one more of the same type and specification - to meet the nominal operating voltage of the system the batteries are being installed to support.

What is a lithium battery bank?

Lithium battery banks using batteries with built-in Battery Management Systems (BMS) are created by connecting two or more batteries together to support a single application.

Why do we connect multiple lithium batteries to a string of batteries?

Connecting multiple lithium batteries into a string of batteries allows us to build a battery bank with the potential to operate at an increased voltage, or with increased capacity and runtime, or both.

What is the difference between a lithium battery and a BMS?

Most Lithium batteries only have UL and IEC certifications at the cell level. A BMS will use either a SSR (made of mosfets), or a mechanical relay. Both SSR and mechanical relays have pros and cons, and both of them have their own voltage and current limitations. With a SSR, mosfets are connected in parallel on the PCB board and the heat sink.

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