Abt TM W Series Panduan Produk - Halaman 13

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Halaman Cetak
Temperature Vs Discharge Time
Discharge
o
o
o
o
o
-15
C
-10
C
-5
C
0
C
5
C
time
10min
0.46 0.53 0.59 0.65 0.74 0.83 0.91 1.00 1.09 1.18 1.25 1.30
1 hour
0.59 0.65 0.69 0.74 0.84 0.89 0.95 1.00 1.05 1.10 1.15 1.20
10hour
0.73 0.77 0.81 0.85 0.89 0.93 0.96 1.00 1.03 1.06 1.09 1.11
Self-discharge characteristic
110
100
90
80
70
60
30 C
o
40 C
o
50
40
0
2
4
6
8
Storage time: months
Self-life
In general, when lead acid batteries of any type are
stored for extended periods of time, lead sulphate is
formed on the negative plates of the batteries. This
phenomenon is referred to as "sulphation". Since the
lead sulphate acts as an insulator, it has a direct
detrimental effect on charge acceptance. The more
advanced the sulphation, the lower the charge
acceptance.
The below table shows the normal storage time or
shelf life at various ambient temperatures.
Shelf Life at Various Temperatures
Temperature
-
-
-
-
o
o
o
o
20
C (
4
F) to
1
C (
30.2
F)
o
o
o
o
0
C
( 32 F) to 20
C
( 68 )
F
o
o
o
o
21 ( 70 ) to 30
C
C
C
( 86 )
F
o
o
o
o
31
C
( 88 ) to 40
F
C
(104 )
F
o
o
o
o
41
C
(106 ) to 50
F
C
(122 )
F
Relationship of OCV and state of charge (25 C)
13.5
13
12.5
12
11.5
11
0
10
20
30
40
50
Relative state of charge(%)
o
o
o
o
o
o
10
C
15
C
20
C
25
C
30
C
35
C
20 C
o
10
12
14
16
18
20
Shelf Life
15
months
12 months
9 months
5 months
2.5 months
o
60
70
80
90
100

Charge Characteristics

The batteries in the ABT TS/TM...W product range
o
40
C
must be charged at a constant voltage.
At an ambient temperature of 20 C.
The charging voltage of 2.27-2.30 v/cell should be
for float charging.
It is not necessary to limit the current as this will
be governed by the maximum output available
from charger until the voltage limit is reached.
Maintenance is recommended as the battery
approaches end of useful life used for
float charging.
To achieve nominal performance characteristics,
it is recommended to adjust this value to suit the
ambient temperature, as indicated in the
following table:
Temperature
o
5
C
o
10
C
o
20
C
o
25
C
o
30
C
Temperature Floating charge voltage

Operating

Operating temperature range
Discharge
o
-20~60
C
Life characteristics of standby use
.
D.O D. in%
100%
80%
60%
40%
20%
0%
0
0.1
0.2
0.3
0.4
0.5
Thousand cycles
TS...W series
Life characteristics of standby use
.
D.O D. in%
120%
100%
80%
60%
40%
20%
0%
0
0.2
0.4
0.6
0.8
1
Thousand cycles
TM...W series
o
Float charge Voltage
2.36-2.39Vpc
2.31-2.34Vpc
2.27-2.30Vpc
2.25-2.28Vpc
2.23-2.26Vpc
Charge
Storage
o
o
-10~60
C
-20~60
C
Temperature effects on float life
10
1
0.1
10
20
30
40
0.6
0.7
0.8
Temperature( C)
Temperature effects on float life
15
2.30V/Cell
10
5
1.2
0
10
20
30
40
o
Temperature( C)
11
2.30V/Cell
50
60
o
50