Talk Time - The number of minutes that a cell phone can be used before its battery's capacity is depleted. See also Standby Time.

Temperature Cutoff - A device, such as a thermostat, that senses battery temperature and opens the battery circuit when the temperature reaches a certain point.

Terminal - A connection point on a device or component, e.g., a battery terminal.

Terminal Voltage - The voltage at the battery terminals.

Trickle Charging - Charging at a very slow rate of 1-2 amps, this is typically used for smaller batteries — e.g., motorcycle, lawn and garden — or occasionally is erroneously used for keeping large automotive batteries fully charged when they are not in use.