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Home > GP Series
| GP1245 |
| 12 V |
4.5Ah
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| GP 1245 is a general purpose battery with 3-5 years in standby service or more than 260 cycles at 100% discharge in cycle service.
As with all CSB batteries, all are rechargeable, highly efficient, leak proof and maintenance free. |
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 Specification |
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| Capacity |
4.5 Ah @ 20hr-rate to 1.75V per cell
@ 25°C (77°F) |
| Weight (kg) |
Approx. 1.66kg. (3.7 lbs.) |
| Maximum Discharge Current
(A) |
60A/90A (5sec.) |
| Internal Resistance Approx.
|
Approx. 40.5mΩ |
| Operating Temperature
Range |
Discharge : -20°C~50°C ( -4°F~122°F)
Charge : 0°C~40°C (32°F~104°F)
Storage : -20°C~40°C ( -4°F~104°F) |
| Nominal Operating Temperature
Range |
25°C ±3°C (77°F ±
5°F) |
| Float Charging Voltage
|
13.5 to 13.8 VDC/unit Average at 25°C
(77°F) |
| Recommended Maximum Charging
current limit |
1.35A |
| Equalization and Cycle
Service |
14.4 to 15.0 VDC/unit Average at 25°C
(77°F) |
| Self Discharge |
CSB Batteries can be stored for more
than 6 months at 25°C (77°F) Please charge batteries
before using. For higher temperatures the time interval will
be shorter. |
| Terminal |
Faston Tab 187/250 |
| Container Material |
-ABS (UL94-HB)*Flammability resistance
of UL94-V0 can be available upon request. |
| Dimensions |
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| Constant Current Discharge Characteristics
Unit:Amperes (25°C,77°F) |
| F.V/Time |
5MIN |
10MIN |
15MIN |
30MIN |
1HR |
2HR |
3HR |
4HR |
5HR |
8HR |
10HR |
20HR |
| 1.60V |
18.67 |
12.25 |
9.08 |
5.37 |
3.11 |
1.80 |
1.26 |
0.99 |
0.81 |
0.54 |
0.44 |
0.23 |
| 1.67V |
17.79 |
11.78 |
8.90 |
5.32 |
3.09 |
1.79 |
1.25 |
0.98 |
0.81 |
0.53 |
0.44 |
0.23 |
| 1.70V |
17.42 |
11.58 |
8.83 |
5.30 |
3.09 |
1.79 |
1.25 |
0.98 |
0.81 |
0.53 |
0.44 |
0.23 |
| 1.75V |
16.21 |
11.12 |
8.62 |
5.21 |
3.06 |
1.77 |
1.24 |
0.98 |
0.80 |
0.53 |
0.43 |
0.23 |
| 1.80V |
15.00 |
10.67 |
8.42 |
5.13 |
3.03 |
1.76 |
1.24 |
0.98 |
0.80 |
0.53 |
0.43 |
0.23 |
| 1.85V |
13.79 |
10.21 |
8.21 |
5.04 |
3.00 |
1.74 |
1.23 |
0.98 |
0.79 |
0.53 |
0.42 |
0.23 |
| Constant Power Discharge Characteristics
Unit:Watts (25°C,77°F) |
| F.V/Time |
5MIN |
10MIN |
15MIN |
30MIN |
1HR |
2HR |
3HR |
4HR |
5HR |
8HR |
10HR |
20HR |
| 1.60V |
224.00 |
147.00 |
109.00 |
64.40 |
37.30 |
21.60 |
15.10 |
11.90 |
9.72 |
6.42 |
5.27 |
2.80 |
| 1.67V |
213.50 |
141.40 |
106.90 |
63.84 |
37.16 |
21.53 |
15.03 |
11.83 |
9.69 |
6.39 |
5.25 |
2.79 |
| 1.70V |
209.00 |
139.00 |
106.00 |
63.60 |
37.10 |
21.50 |
15.00 |
11.80 |
9.68 |
6.39 |
5.25 |
2.79 |
| 1.75V |
194.50 |
133.50 |
103.50 |
62.55 |
36.75 |
21.30 |
14.95 |
11.75 |
9.64 |
6.36 |
5.21 |
2.74 |
| 1.80V |
180.00 |
128.00 |
101.00 |
61.50 |
36.40 |
21.10 |
14.90 |
11.70 |
9.61 |
6.34 |
5.17 |
2.70 |
| 1.85V |
165.50 |
122.50 |
98.50 |
60.45 |
36.05 |
20.90 |
14.85 |
11.65 |
9.57 |
6.31 |
5.13 |
2.65 |
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