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GP 12650 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.
Specification
Cells Per Unit 6
Voltage Per Unit 12
Capacity 65 Ah @ 20 Hr-Rate to 1.75V Per Cell @ 25°C(77°F)
Weight Approx. 21.5 Kg (47.3 LBS)
Maximum Discharge Current 500A (5 Sec)
Internal Resistance Approx. Approx. 8 mW
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 19.5A
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 Bolt & Nut
Container Material Polypropylene(UL94-HB)*Flammability resistance of UL94-V2 can be available upon request.
Dimensions
Constant Current Discharge Characteristics Unit : A ( 25°C, 77°F)
F.V/Time
5MIN
10MIN
15MIN
30MIN
1HR
2HR
3HR
4HR
5HR
8HR
10HR
20HR
1.60V
 271 173 132 79.9 47.2 27.3 19.4 15.1 12.4 8.08 6.58 3.41
1.67V 242 162 125 78.3 47.1 27.2 19.3 15.0 12.3 8.00 6.48 3.26
1.70V 229 157 123 77.6 47.0 27.2 19.3 15.0 12.3 7.96 6.43 3.20
1.75V 208 147 117 75.5 46.5 27.1 19.2 15.0 12.2 7.86 6.32 3.09
1.80V 186 137 111 73.4 45.9 27.0 19.1 14.9 12.1 7.76 6.21 2.98
1.85V
 164 127 105 71.3 45.4 26.9 19.0 14.9 12.0 7.66 6.10 2.87
Constant Power Discharge Characteristics Unit : Watt ( 25°C, 77°F)
F.V/Time
5MIN
10MIN
15MIN
30MIN
1HR
2HR
3HR
4HR
5HR
8HR
10HR
20HR
1.60V
 3250 2080 1580 959 566 327 232 181 148 97.0 79.0 40.9
1.67V
 2900 1940 1503 939 565 326 231 180 147 96.0 77.7 39.2
1.70V 2750 1880 1470 931 564 326 231 180 147 95.5 77.1 38.4
1.75V 2490 1760 1400 906 558 325 230 180 146 94.3 75.8 37.1
1.80V 2230 1640 1330 881 551 324 229 179 145 93.1 74.5 35.7
1.85V
 1970 1520 1260 856 545 323 228 179 144 91.9 73.2 34.4
All mentioned values are average values.