UCC2-1250(2V1250AH. AGM POWER 1750s) Features Maintenance-free operation Stable quality and high reliability Compact design 12 years design time (at 25℃) AGM Electrolyte Technology Application Telecommunication system UPS Electronic apparatus and equipment Alarm and security system Emergency lighting Communication power supply Backup power for testing and Fire alarm and security systems DC power supply measuring instruments Auto control system Speciﬁcations Nominal Voltage Nominal Capacity 2V (1 cells) Discharge: -15 - 50°C (5 - 122°F) 1250AH (10hr, 1.80V/cell, 25°C (77°C) 1020AH (5hr, 1.80V/cell, 25°C (77°C) 720AH (1hr, 1.60V/cell, 25°C (77°C) Length Dimension Approx Weight Terminal Container Material Max. Discharge Current Internal Resistance Operating Temp.Range Nominal Operating Temp.Range Width 175 ± 2mm 338 ± 2mm Total Height(with Terminal) 365 ± 2mm Approx 73.5Kg T6 0 - 40°C (32 - 104°F) Storage : -15 - 40°C (5 - 104°F) 25 ± 3°C ( 77 ± 5°F) Cycle Use 2.30~2.40V (25°C/77°F) Temp.Coe.cient -5mV/°C Initial Charging Current Less than 300A Standby Use 2.23~2.28V (25°C/77°F) Temp.Coe.cient -3mV/°C No limit on Initial Charging Current 475 ± 2mm Container Height Charge : Capacity a.ected by Temperature ABS 40°C (104°F) 103% 25°C (77°F) 100% 0°C (32°F) 86% UCC2 series batteries may be stored for up to 6 months Self Discharge 4800A (5S) at 25°C (77°F) and then a freshening charge is required. For higher temperatures the time interval will be shorter. Approx 0.3mΩ Constant Current Discharge (Amperes at 25 ℃/77℉ ) F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 10h 1.80V/cell 1.75V/cell 1.70V/cell 1.65V/cell 1.60V/cell 2407.00 2625.00 2844.00 3043.00 3257.00 1817.00 1952.00 2100.00 2236.00 2384.00 1423.00 1515.00 1647.00 1770.00 1888.00 956.00 1010.00 1067.00 1110.00 1156.00 765.00 807.00 855.00 889.00 925.00 625.00 646.00 668.00 688.00 708.00 373.00 389.00 406.00 422.00 441.00 283.00 289.00 297.00 303.00 309.00 203.00 207.00 212.00 217.00 222.80 122.00 124.00 126.00 127.00 128.50 100h 17.08 17.36 17.64 17.78 17.99 Constant Power Discharge (Watts per cell at 25 ℃/77℉ ) F.V/Time 5min 10min 15min 30min 45min 1h 2h 3h 5h 10h 20h 1.80V/cell 1.75V/cell 1.70V/cell 1.65V/cell 1.60V/cell 4578.00 4806.00 5062.00 5315.00 5546.00 3363.00 3582.00 3800.00 4009.00 4224.00 2584.00 2790.00 3016.00 3166.00 3318.00 1843.00 1935.00 1971.00 2040.00 2119.00 1475.00 1526.00 1576.00 1639.00 1696.00 1185.00 1226.00 1270.00 1300.00 1338.00 722.00 750.00 781.00 808.00 838.00 559.00 567.00 576.00 590.00 605.00 396.50 405.00 412.00 431.00 433.00 242.90 245.00 247.00 249.00 251.00 125.80 128.00 129.60 131.00 132.80 Note: The above characteristics data are average values obtained within three charge/discharge cycles, not the minimum values. Dimensions unitimm[inches] UCC2-1250 (2V1250AH. AGM POWER 1750s) UC2-500(2V500AH ) Temperature Effects in Relation to Battery Capacity Effect of temperature on long term float life 10 8 120 Capacity ( %) 100 80 Life Expectancy(years) 0.1CA 0.17CA 0.25CA 60 40 6 5 4 Charging Voltage 2.25V/cell 3 2 1 20 0.5 20 10 0 -20 -10 30 40 50 60 20 68 O Temperature( C) 30 86 40 104 50 122 (℃) (℉) BatteryTemperature Float charging characteristic Cycle Life in Relation to Depth of Discharge Testing condition Discharging: current 0.17C(FV 1.7V/cell); Charging: current 0.25C max, voltage 2.45V/cell; Charging volume:125% of discharged capacity. Charge Volume Charging Current % (XCA) Charging Voltage 0.10CA-2.25V/cell (V) 120 temperature25℃ 100 0.25 120 2.50 100 0.20 2.33 90 80 Charge Voltage (Constant 2.2v/cell) 0.15 2.17 70 60 50 0.10 After 50% Discharge 80 60 100% DOD 50% DOD After 100% Discharge 0.05 20 20 1.83 Charging Current 10 0 0 0 0 4 8 12 16 20 28 24 22 36 40 0 400 200 600 800 1000 1200 Number of Cycles ChargeTime(h) Discharge characteristic Curve Self Discharge Characteristics 120 2V Battery (V) O O Temperature:25 C(77 F) Capacity ( %) 2.00 1.84 0.1C 0.205C 0.01C A 10℃ 80 2.16 Term inal Vo lta ge(V) 30% DOD AmbientTemperature: 25 OC(77 O F) 40 2.00 40 30 Capacity ( %) Charged Volume 110 25℃ B 60 30℃ 40℃ 40 C 20 0.4C 1.68 1C 1.52 0 0.6C 2 4 6 8 10 12 StorageTime(months) 1.36 A No supplementary charge required (Carry out supplementary charge before use if 100% capacity is required.) B Supplementary charge required before use. Optional charging way as below: 1.Charged for above 3 days at limted current 0.25CA and constant volatge 2.25V/cell. 2.Charged for above 20hours at limted current 0.25CA and constant volatge 2.45V\cell. 3.Charged for 8~10hours at limted current 0.05CA. C Supplementary charge may often fail to recover the capacity. The battery should never be left standing till this is reached. 2C 1 2 4 6 8 10 20 40 60 Min DischargeTime 2 4 6 8 10 H 100