What is a lithium-ion battery pack?

A lithium-ion battery pack is a collection of multiple lithium-ion cells connected together to store and provide electrical energy. These battery packs power various electronic devices, from smartphones to electric vehicles, due to their high energy density and rechargeable nature.

What is a battery pack?

A battery pack is a set of batteries or battery cells arranged in series or parallel to supply power. It stores energy for devices like electric vehicles. Battery packs can be primary (non-rechargeable) or secondary (rechargeable) and usually use lithium-ion cells. Proper packaging, sealing, and assembly are essential for performance.

How much voltage does a Li-ion battery pack have?

In Li-ion batteries, the voltage per cell usually ranges from 3.6V to 3.7V. By connecting cells in series, you can increase the overall voltage of the battery pack to meet specific needs. For example, a battery pack with four cells in series would have a nominal voltage of around 14.8V.

What are the technical terms associated with battery packs?

Technical terms associated with battery packs include “capacity,” which refers to the total amount of energy a battery can store, usually measured in ampere-hours (Ah), and “voltage,” the electric potential difference measured in volts (V).

What is the chemistry of lithium ion batteries?

The chemistry of Li-ion batteries is pretty fascinating. These batteries rely on lithium ions moving between the anode and cathode during charging and discharging. The anode is typically made of graphite, while the cathode can be composed of various lithium compounds.

What are the characteristics of a battery pack?

Voltage and capacity Voltage and capacity are fundamental characteristics of any battery pack. In Li-ion batteries, the voltage per cell usually ranges from 3.6V to 3.7V. By connecting cells in series, you can increase the overall voltage of the battery pack to meet specific needs.