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Home > GP Series
| GP645 |
| 6 V |
4.5Ah
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| GP 645
is 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. 0.84kg. (1.8 lbs.) |
| Maximum Discharge Current
(A) |
60A/90A (5sec.) |
| Internal Resistance Approx.
|
Approx. 19mΩ |
| 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
|
6.75 to 6.9 VDC/unit Average at 25°C
(77°F) |
| Recommended Maximum Charging
current limit |
1.35A |
| Equalization and Cycle
Service |
7.2 to 7.5 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 |
| 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 |
18.70 |
12.30 |
9.08 |
5.37 |
3.11 |
1.80 |
1.26 |
0.99 |
0.81 |
0.53 |
0.43 |
0.23 |
| 1.67V |
17.79 |
11.81 |
8.90 |
5.32 |
3.09 |
1.79 |
1.25 |
0.98 |
0.80 |
0.53 |
0.43 |
0.23 |
| 1.70V |
17.40 |
11.60 |
8.83 |
5.30 |
3.09 |
1.79 |
1.25 |
0.98 |
0.80 |
0.53 |
0.43 |
0.23 |
| 1.75V |
16.20 |
11.15 |
8.62 |
5.21 |
3.06 |
1.77 |
1.24 |
0.97 |
0.80 |
0.53 |
0.43 |
0.22 |
| 1.80V |
15.00 |
10.70 |
8.42 |
5.13 |
3.03 |
1.76 |
1.24 |
0.97 |
0.80 |
0.52 |
0.43 |
0.22 |
| 1.85V |
13.80 |
10.25 |
8.21 |
5.04 |
3.00 |
1.74 |
1.23 |
0.97 |
0.79 |
0.52 |
0.42 |
0.22 |
| 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 |
112.00 |
73.50 |
54.50 |
32.20 |
18.70 |
10.80 |
7.55 |
5.96 |
4.86 |
3.21 |
2.64 |
1.41 |
| 1.67V |
107.10 |
70.70 |
53.45 |
31.92 |
18.63 |
10.73 |
7.51 |
5.93 |
4.84 |
3.19 |
2.63 |
1.40 |
| 1.70V |
105.00 |
69.50 |
53.00 |
31.80 |
18.60 |
10.70 |
7.50 |
5.93 |
4.84 |
3.19 |
2.63 |
1.40 |
| 1.75V |
97.50 |
66.75 |
51.75 |
31.30 |
18.40 |
10.65 |
7.47 |
5.91 |
4.82 |
3.18 |
2.61 |
1.37 |
| 1.80V |
90.00 |
64.00 |
50.50 |
30.80 |
18.20 |
10.60 |
7.45 |
5.89 |
4.81 |
3.17 |
2.59 |
1.35 |
| 1.85V |
82.50 |
61.25 |
49.25 |
30.30 |
18.00 |
10.55 |
7.42 |
5.87 |
4.79 |
3.16 |
2.57 |
1.32 |
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