LC-X1228P Panasonic - BSG, LC-X1228P Datasheet - Page 63

• Manufacturer Part Number: LC-X1228P
• Description: BATT SEALED LEAD ACID 12V 28AH
• Manufacturer: Panasonic - BSG
• Series: LCr

Specifications of LC-X1228P

• Voltage - Rated: 12V
• Capacity: 28Ah
• Size / Dimension: 6.47" L x 4.92" W x 6.89" H (165mm x 125mm x 175mm)
• Termination Style: Nut/Bolt, M5
• Rechargeability: Yes
• Weight: 25 lbs (11.3kg)
• For Use With: BVW122250003N - BATTERY CHG UNIV 12VDC @ 2.25A271-2390 - BATTERY CHG UNIV 12VDC @ 2.25A271-2386 - BATTERY CHG UNIV 12VDC @ 1.2A271-2385 - BATTERY CHG UNIV 12VDC @ 600MA271-2382 - BATTERY CHG UNIV 12VDC @ 500MA271-2381 - BATTERY CHG UNIV 12VDC @ 500MA271-2380 - BATTERY CHG 120VAC 12VDC @ 500MA271-2378 - BATTERY CHG 120VAC 12VDC @ 300MAPATC-08 - BATT CHARGER 12V 1.5A X 2 UNITPATC-03 - BATTERY CHARGER 12 VOLT 1.5 AMP
• Lead Free Status / RoHS Status: Contains lead / RoHS compliant by exemption
• Other names: LC-X1228; LC-XB1228; LC-XB1228P; LCX1228P; P049

GLOSSARY OF TERMS FOR VALVE-REGULATED LEAD-ACID BATTERIES
Glossary of main battery terms
ABS RESIN
A plastic material largely used for the case and
cover of batteries.
ABSORBENT GLASS MAT (AGM)
A highly porous material, absorbent micro
fiberglass-mat mixed with polymer fibers that
immobilizes the electrolyte and creates a
situation where a spill of electrolyte is highly
unlikely. The separator is located between the
plates and immobilizes the electrolyte in the cell.
ACTIVE MATERIAL
The substance which electrochemically reacts
in the electrode of batteries. Lead-acid batteries
adopt lead dioxide for the positive electrode and
spongy lead for the negative electrode.
AMBIENT TEMPERATURE
Average temperature in the vicinity of the battery.
AVAILABLE CAPACITY
The capacity actually available from a cell/
battery. The available capacity is the capacity of
a battery when it discharges at a specified hour
rate, and expressed in hour rate and Ah.
BOLT FASTENING TERMINAL
A type of battery terminals, to which lead wires
are connected with bolts.
BUILT-IN THERMOSTAT
The built-in thermostat is a resettable switch
built in a battery for temporarily cut off the
battery circuit when the temperature of the
battery exceeds a preset value or when the
battery charges/discharges at a higher rate
than predetermined.
CAPACITY
The electric capability of a battery. It usually
means ampere- hour capacity expressed in Ah
or C (coulomb).
CELL
The minimum battery unit which composes a
storage battery. Nominal voltage of the cell of the
lead-acid battery is 2 V.
VRLA BATTERIES PAGE 62
CHARGING EFFICIENCY
CONSTANT CURRENT CHARGE
CONSTANT VOLTAGE CHARGE
C-RATE
CUT-OFF VOLTAGE OF DISCHARGE
CYCLE LIFE
DEPTH OF DISCHARGE
CHARGE
The operation of supplying a battery with a DC
current from an external power source to have
the electrode active materials conduct chemical
reactions then to store electric energy as
chemical energy in the battery.
CHARGE ACCEPTANCE TEST
Test of batteries to check whether or not they
are adequately recharged after discharge.
General term for ampere-hour efficiency and
watt-hour efficiency. In many cases, however, it
means the ampere-hour efficiency.
A method of charging: to charge a battery with a
constant current.
A method of charging: to charge a battery by
applying a constant voltage to the terminals.
A charge or discharge current rate expressed in
A or mA. It is numerically the same as the hour
rate capacity of a battery expressed in Ah of the
rated capacity.
The terminal voltage of a battery at which
discharging should be discontinued. This
voltage depends on discharge current, type of
electrodes and construction of battery.
The number of charge/discharge/rest cycles a
cell/battery can provide. Cycle life is usually
expressed by the number of cycles available
before duration of discharge decreases to a half
of the initial value.
A value to express the state of discharge of a
battery. The depth of discharge is generally
expressed by the ratio of discharge amount to
rated capacity of the battery.
DISCHARGE
To draw off the electric energy stored in a cell/
battery.
AUGUST 2003