ps-1272-f1
TRANSCRIPT
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Rechargeable Sealed Lead-Acid Battery
PERFORMANCE SPECIFICATIONS
Nominal Voltage....................................................................................................................................................... 12 volts (6 cells in series)
Nominal Capacity
20 hour rate (360mA to 10.50 volts) ...................... ........................ ......................... ......................... ......................... ............. 7.2 A.H.
10 hour rate (700mA to 10.50 volts) ...................... ........................ ......................... ......................... ......................... ............. 7.0 A.H.
5 hour rate (1.3A to 10.20 volts) ........................ ......................... .......................... ........................ ....................... ................ 6.5 A.H.
1 hour rate (4.6A to 9.00 volts) ........................ .......................... ......................... .......................... ....................... ............... 4.6 A.H.
15 min rate (14A to 9.00 volts) ........................ ......................... .......................... ......................... ....................... .................. 3.5 A.H.
Approximate Weight.................................................................................................................................................... 5.80 pounds (2.64 kg)
Energy Density (20 hour rate).............................................................................................. 1.53 Watt-hours/cubic inch (93.6 Watt-hours/l)
Specific Energy (20 hour rate)................................................................................................. 14.9 Watt-hours/pound (32.7 Watt-hours/kg)
Internal Resistance (Fully Charged Battery)................................................................................................... 16 milliohms (approximately)
Maximum Discharge Current (
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MODEL PS-1272 F1
12 Volt 7.2 Amp. Hr.
Power-Sonic Corporation
Sealed Rechargeable
Battery
BAT
TERY
MUSTBEREC
YCLED
Pb
NONSPILLABLE
120
100
80
60
40
20
00 200 400 600 800 1000 1200
Number of Cycles
CHARGINGCycle Applications: Limit initial current to 2.16A. Charge until batteryvoltage (under charge) reaches 14.40 to 14.70 volts at 68oF (20oC).Hold at 14.40 to 14.70 volts until current drops to approximately 72mA.Battery is fully charged under these conditions, and charger shouldeither be disconnected or switched to float voltage.Float or Stand-By Service: Hold battery across constant volt-
age source of 13.50 to 13.80 volts continuously. When held at thisvoltage, the battery will seek its own current level and maintain itselfin a fully charged condition.
NOTE: Due to the self-discharge characteristics of this type of bat-tery, it is imperative that they be charged after 6-9 months of stor-age, otherwise permanent loss of capacity might occur as a result ofsulfation.
TerminalVoltage
14.0
13.0
12.0
11.0
10.0
9.0
8.0
(V)
Ambient Temperature 20oC (68
oF)
1.2 2.4 6 12 24 36 48 1 2 4 6 8 10 20 40
Discharge Timemin. hrs.
FinalVoltage
14.4A
7.2A
3.3A1.44A
0.72A 0.36A
DischargeTime
20
15
10
5
2
1
30
10
5
0.36 0.72 1.44 3.6 7.4 14.4
Discharge Current (A)
min.
hrs.
Final
Voltage10.5V
10.2V
9.60V
9.0V
8.10V
40oC (104
oF)
20oC (68
oF)
0oC (32
oF)
TECHNICAL DATA: PS-1272
Tolerances are +/- 0.04 in. (+/- 1mm) and +/- 0.08 in. (+/- 2mm) for height dimensions.
All data subject to change without notice.
Physical Dimensions: in. (mm)
1. Discharge Current 0.2C (Final Voltage 1.7V/Cell)2. Charge Current: 0.1C3. Ambient Temperature: 20oC to 25oC (68oF to 77oF)
Shelf Life and Storage
Capaci
tyRetentionRatio(%)
100
80
60
40
00 2 4 6 8 10 12 14 16 18 20
Standing Period (Months)
40oC
(104o
F)
30oC
(86o
F)
20oC
(68o
F)
5oC
(41oF)
Charge may failto restore fullcapacity. Do notlet batteries reachthis state.
Charging beforeuse is necessaryto help recoverfull capacity.
Charging is notnecessary unless100% of capacityis required.
Life Characteristics in Stand-By Use
Life Characteristics in Cyclic Use
Retentio
nCapacity(%)
Discharge Characteristics
Discharge Time vs. Discharge Current
DischargeDepth 30%
DischargeDepth 100%
DischargeDepth 50%
2.56(65)
5.95 (151)
3.70(94) 3
.86
(98)
Ambient Temperature 20C (68F)
Float Charging Voltage2.25 - 2.30 V/Cell
RetentionCapacity(%)
100
80
60
40
20
00 1 2 3 4
Years
Terminals
FASTON
0.250" x 0.032"quick disconnecttabs.
FASTON
0.187" x 0.032"quick disconnecttabs.
"F1"
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