User's Manual

Table Of Contents
VX 675 BATTERY INFORMATION
General Battery Terms and Definitions
VX 675 R
EFERENCE GUIDE 175
Safety/Protection Circuit
The VX 675 terminal is equipped with a safety/protection circuit that protects the
terminal from damage. For more information, see Safety/Protection Circuit.
Voltage
Under system load, the VX 675 terminal reports battery pack voltage. The range
is from 3V to 4.2V. It is updated every 20 seconds.
General Battery
Terms and
Definitions
The following terms and definitions apply to most battery types, in general.
Ampere-hour, Amp-hour (Ah)
A unit of electrical energy. It is the specified current flowing for one hour. Two
ampere-hour is two amps of current flowing for one hour.
Battery Cell
The battery cell is the basic electrochemical unit used to store energy. Each cell is
typically rated 3.6V. VX 675 terminal uses one lithium-ion rechargeable cell per
battery pack.
Battery Pack
A battery pack is an assembly of battery cells, safety circuit, temperature sensor,
terminal contacts, and plastic case.
Battery Status, State of Charge
This refers to the amount of electrical charge stored in the battery, expressed as a
percentage of the difference between the fully-charged and fully-discharged
states.
Capacity
This refers to the amount of available energy in a fully charged battery, expressed
in ampere-hours (Ah) or milliampere hours (mAh).
Charge
The amount of usable electrical energy stored in the battery, expressed in
coulombs.
TIP
The capacity of VX 675 terminal's high capacity battery pack is 2200 mAh typical
(new).