Description
Electrical Specifications
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Nominal Voltage: 12V
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Rated Capacity: 65Ah @ C20 / 1.75 VPC / 27°C
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Internal Resistance (IEC): Approx. 9.4 mΩ (fully charged @ 27°C)
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Short Circuit Current (IEC): 1382 A
Dimensions & Weight
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Length: 351 mm (13.82 in)
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Width: 167 mm (6.57 in)
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Total Height: 175 mm (6.89 in)
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Approx. Weight: 20.0 kg (44.09 lbs)
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Terminal Type: M6 x 20 mm Bolted
Discharge Capacity @ 27°C
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10 hr (5.59 A, 10.5 V): 55.9 Ah
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5 hr (10.29 A, 10.2 V): 51.4 Ah
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1 hr (36.3 A, 9.6 V): 36.3 Ah
Temperature Effect on Capacity (C20 Rate)
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@ 40°C (104°F): 110%
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@ 27°C (80.6°F): 100%
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@ 0°C (32°F): 80%
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@ -15°C (5°F): 60%
Case Material
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Standard Version: PPCP (Model: 12AL065)
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Flame Retardant Version: UL 94-V0 (Model: 12ALZ065)
Operating Conditions
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Operating Temperature Range: -20°C to +60°C
(50–60°C for short duration only) -
Nominal Operating Temperature: 27°C ± 3°C
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Self-Discharge: < 4% per month @ 27°C
Charging Parameters
Standby Use (27°C)
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Charging Voltage: 13.5 V/battery
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Max. Charging Current: 25% of rated capacity
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Temperature Compensation: ±18 mV/battery/°C
Cyclic Use (27°C)
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Charging Voltage: 13.8 V/battery
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Max. Charging Current: 25% of rated capacity
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Temperature Compensation: ±18 mV/battery/°C
Discharge Ratings @ 27°C
Constant Power Discharge (Watts per Battery)
| ECV (V) | 10 min | 15 min | 20 min | 30 min | 1 hr | 2 hrs | 3 hrs | 5 hrs | 8 hrs | 10 hrs | 20 hrs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.60 | 1368 | 1120 | 898 | 682 | 412 | 248 | 172 | 118 | 77 | 67 | 31 |
| 1.65 | 1345 | 1101 | 887 | 671 | 408 | 245 | 171 | 117 | 76.5 | 66.5 | 30.5 |
| 1.70 | 1322 | 1081 | 876 | 660 | 403 | 242 | 170 | 116 | 76 | 66 | 30 |
| 1.75 | 1299 | 1041 | 848 | 640 | 392 | 239 | 169 | 115 | 75 | 65 | 29.5 |
| 1.80 | 1276 | 1000 | 820 | 620 | 380 | 236 | 168 | 114 | 74 | 64 | 29 |
Constant Current Discharge (Amperes)
| ECV (V) | 10 min | 15 min | 20 min | 30 min | 1 hr | 2 hrs | 3 hrs | 5 hrs | 8 hrs | 10 hrs | 20 hrs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.60 | 126.47 | 101.10 | 80.23 | 60.87 | 36.36 | 22.06 | 15.07 | 11.12 | 6.90 | 5.83 | 3.48 |
| 1.65 | 122.62 | 96.75 | 77.30 | 58.44 | 35.90 | 21.17 | 14.62 | 10.71 | 6.75 | 5.76 | 3.40 |
| 1.70 | 118.77 | 92.41 | 74.37 | 56.00 | 35.44 | 20.27 | 14.16 | 10.29 | 6.60 | 5.69 | 3.31 |
| 1.75 | 114.29 | 90.32 | 73.68 | 55.45 | 35.00 | 20.00 | 14.14 | 10.26 | 6.56 | 5.59 | 3.25 |
| 1.80 | 112.00 | 88.89 | 71.79 | 54.90 | 33.49 | 19.86 | 14.07 | 10.17 | 6.52 | 5.56 | 3.23 |
Note:
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Values are average per battery, measured within 5 charge/discharge cycles.
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±5% tolerance applies to all constant power and current values.
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Follow IEEE-485 standard for battery sizing.
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Account for voltage drop across cables during system design.
CAUTION
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Avoid short circuits
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Do not charge in a sealed container
Performance Features
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Proven AGM Technology for maintenance-free operation
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Special heavy-duty, corrosion-resistant alloy extends cyclic life
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Radgrid™ profile for low internal resistance & superior discharge
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Instacharge™ patented paste formula for excellent charge acceptance
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Very low self-discharge rate for extended storage
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Design float life: up to 10 years
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Aesthetically clean and sleek look
Certifications & Standards
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JIS C 8702
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UL 1989 & CE Certified
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Compliant with IEC 61056, IEC 60896, EUROBAT
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Compliant with IS 16220, IS 15549
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Manufactured in ISO 9001, ISO 14001 & OHSAS 18001 certified facilities
Applications
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Data Centers
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Banks & Financial Institutions
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Network Operations Centers
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Industrial Process Control
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Internet Hosting Sites
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Semiconductor Manufacturing
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Power Plants
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Hospitals & Testing Labs

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