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A soft pack lithium iron phosphate (short for: LiFePO4/ LFP/ LiFe) battery refers to a lithium-ion battery with lithium iron phosphate as the positive electrode material.

The concepts of resistance and conductivity are essential in the field of electricity and have a significant relationship. Resistance is the measure of a material's opposition to the flow of electric current in an electric field, denoted by the Greek letter ρ (rho) and measured in ohm-meters (Ω·m).

Panasonic said it will stop producing solar cells and modules at Tesla’s factory in Buffalo, N.Y., ending a four-year joint venture with the electric automaker.