VeriFone VX 685 GPRS Installation Manual page 55

B I
ATTERY NFORMATION
General Battery Terms and Definitions
Shelf-Life
The length of storage under specified conditions that a battery can endure while
retaining the ability to give a satisfactory performance upon full charge.
NOTE
The shelf life of the terminal battery pack is 6 months at 30% initial charge.
Voltage
This is the unit of potential power or electric pressure, which is the force that
causes current to flow through an electric conductor. It is measured in volts.
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VX 685/VX 690 I G
NSTALLATION UIDE