How Much Power is Needed to Charge My Battery Cell? (Download)

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When lithium-ion cell testers are being specified, the request is for a maximum voltage and maximum current per channel. The total available power per channel will be the product of the max voltage and max current, calculated as Max Power in Watts = (Max Voltage in Volts) × (Max Current in Amperes).  The actual power consumed varies with time and it has losses that must be considered.