kbl12750 - long life - grupo multitech
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KBL12750 12V 75Ah(20hr) - LONG LIFE.1Ah(10hr)
The rechargeable batteries are lead-lead dioxide systems. The dilute sulfuric acid electrolyte is absorbed by separators and plates and thus immobilized. Should the battery be accidentally overcharged producing hydrogen and oxygen, special one-way valves allow the gases to escape thus avoiding excessive pressure build-up. Otherwise, the battery is completely sealed and is, therefore, maintenance-free, leak proof and usable in any position.
Battery Construction
General Features
● Absorbent Glass Mat (AGM) technologyfor efficient gas recombination of up to99% and freedom from electrolytemaintenance or water adding.
● Not restricted for air transport-complieswith IATA/ICAO Special Provision A67.
● UL-recognized component.● Can be mounted in any orientation.● Computer designed lead, calcium tin alloy
grid for high power density.● Long service life, float or cyclic
applications.● Maintenance-free operation.● Low self discharge.
Dimensions and Weight
Length(mm / inch) 258 / 10.16Width(mm / inch) 166 / 6.54Height(mm / inch) 206 / 8.11Total Height(mm / inch) 215 / 8.46Approx. Weight(Kg / lbs) 24.0 / 52.9
Performance Characteristics Nominal Voltage 12VNumber of cell 6Design Life 10 years Nominal Capacity 77oF(25oC)
Internal ResistanceFully Charged battery 77oF(25oC) 5.7mOhms
Self-Discharge3% of capacity declined per month at 20oC(average)
Operating Temperature RangeDischarge -20~60oCCharge -10~60oCStorage -20~60oC
Max. Discharge Current 77oF(25oC) 700A(5s)Short Circuit Current 1800ACharge Methods: Constant Voltage Charge 77oF(25oC)
Cycle use 14.4-14.7V Maximum charging current 22.5A Temperature compensation -30mV/oCStandby use 13.6-13.8V Temperature compensation -20mV/oC
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(Note)The above characteristics data are average values obtained within three charge/discharge cycles not the mimimum values.
Discharge Constant Current (Amperes at 77oF25oC)
Discharge Constant Power (Watts at 77oF25oC)
End PointVolts/Cell 5min 10min 15min 30min 45min 1h 3h 5h 10h
1.60V 228 171 133 79.8 60.5 49.5 21.6 14.2 7.541.65V 211 162 127 76.3 55.3 46.8 21.2 14.0 7.511.70V 196 152 118 75.1 53.9 46.2 20.8 13.8 7.481.75V 185 145 114 71.8 52.6 44.6 20.4 13.4 7.451.80V 171 133 109 71.3 52.2 42.8 19.6 13.2 7.41
End PointVolts/Cell 5min 10min 15min 30min 45min 1h 2h 3h 5h
1.60V 392 301 239 154 118 94.3 53.4 39.8 26.71.65V 383 288 234 149 116 92.2 52.1 38.8 26.51.70V 356 278 230 141 109 88.5 50.9 38.5 25.91.75V 338 263 216 139 109 85.2 49.7 37.9 25.91.80V 324 251 206 138 104 82.9 49.0 37.6 25.7
10 hour rate (7.41A, 10.8V) 74.1Ah5 hour rate (13.4A, 10.5V) 67.0Ah1 hour rate (49.5A, 9.6V) 49.5Ah
Component Positive plate Negative plate Container Cover Safety valve Terminal Separator ElectrolyteRaw material Lead dioxide Lead ABS ABS Rubber Copper Fiberglass Sulfuric acid
20 hour rate (3.75A, 10.8V) 75Ah
20h
3.943.903.853.80
3.75
211±
1
206±
1
206
63±
1
166±1
KBL12750 12V 75Ah - LONG LIFE
Charge characteristic curve
Charging time (hours)
Cha
rged
Vol
ume
(%)
Cur
rent
(XCA)
Vol
tage
(V)
15.0
14.0
13.0
12.0
11.0
0.25
0.20
0.15
0.10
0.05
00 2 4 6 8 10 12 14 16 18 20
Constant voltage charge characteristico (0.25CA,25 C)
CHARGED VOLUME
140
120
100
80
60
40
20
0
CHARGE VOLTAGE
CHARGING CURRENT
Self-discharge characteristic
110
100
90
80
70
60
50
400 2 4 6 8 10 12 14 16 18 20
Storage time: months
Cap
acity
(%)
o40 C o30 C o20 C
Relationship betweencharging voltage and temperature
-10 0 10 20 30 40 50 60oAmbient temperature( C)
(V/1
2V)
15.6
15.0
14.4
13.8
13.2
(V/8
V)
(V/6
V)
(V/4
V)
(V/C
ELL
)
10.4
10.0
9.6
9.2
8.8
7.8
7.5
7.2
6.9
6.6
5.2
5.0
4.8
4.6
4.4
2.6
2.5
2.4
2.3
2.2
STABY US
NDE
CYCLE USE
Life characteristics of standby use
Cap
acity
(%)
120
100
80
60
40
20
00 4 6 8
Life(year)
Testing conditions: floating voltage: 2.27 to 2.30V/Cello o ambient temperature: 25 C(77 F)
Cycle service life in relation todepth of discharge
Number of cycles(cycles)
Cap
acity
(%)
120
100
80
60
40
20
0 200 400 600 800 1000 1200 1400 1600
100% D.O.D. 50% D.O.D. 30% Depth of discharge
Temperature effects on float life15
10
5
0
Life
(yea
rs)
oTemperature( C)10 20 30 40 50
2.30V/Cell
Temperature effects on capacity120
100
80
60
40
20
0-20 -10 0 10 20 30 40 50
Cap
acity
(%)
oTemperature( C)
0.1C
0.2C
01. C
2 0. C
C0.05
MH25860 G4M19906-9202-E-16THE INTERNATIONAL CERTIFICATION NETWORK
ISO9001:2000THE INTERNATIONAL CERTIFICATION NETWORK
Page 2 of 2
1 3 5 10 20 30 60 2 3 5 10 20
ODischarge characteristic (25 C)
2min h
Discharge time
Bat
tery
vol
tage
(V)
12.0
9.6
0
7.41A13.4A20.4A
49.5A70A150A
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