CP1272 12V 7.2Ah(20hr) The rechargeable batteries are lead-lead dioxide systems The dilute sulfuric acid electrolyte is absorbed by separators and plates and thus immobilized Should the battery be accidentally overcharged producing hydrogen and oxygen, special oneway valves allow the gases to escape thus avoiding excessive pressure build-up Otherwise, the battery is completely sealed and is, therefore, maintenance-free, leak proof and usable in any position Battery Construction Component Positive plate Negative plate Container Cover Safety valve Terminal Separator Electrolyte Raw material Lead dioxide Lead ABS ABS Rubber Copper Fiberglass Sulfuric acid Performance Characteristics General Features ● ● ● ● ● ● ● ● Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99% and freedom from electrolyte maintenance or water adding Not restricted for air transport-complies with IATA/ICAO Special Provision A67 UL-recognized component Can be mounted in any orientation Computer designed lead, calcium tin alloy grid for high power density Long service life, float or cyclic applications Maintenance-free operation Low self discharge Dimensions and Weight Length(mm / inch) Width(mm / inch) Height(mm / inch) Total Height(mm / inch) Approx Weight(Kg / lbs) * Weight deviation: ± 5% 151 / 5.94 65 / 2.56 94 / 3.70 100 / 3.94 2.5 / 5.51 Nominal Voltage 12V Number of cell Design Life years o o Nominal Capacity 77 F(25 C) 20 hour rate (0.36A, 10.5V) 7.2Ah 10 hour rate (0.69A, 10.5V) 6.9Ah hour rate (1.16A, 10.5V) 5.8Ah hour rate (4.8A, 9.6V) 4.8Ah Internal Resistance ≤ 30mOhms Fully Charged battery 77oF(25oC) Self-Discharge 3% of capacity declined per month at 20oC(average) Operating Temperature Range Discharge -20~60oC Charge -10~60oC Storage -20~60oC o o 105A(5s) Max Discharge Current 77 F(25 C) Short Circuit Current 350A Charge Methods: Constant Voltage Charge Cycle use Maximum charging current Temperature compensation Standby use Temperature compensation 77oF(25oC) 2.40-2.45VPC 2.88A -30mV/oC 2.23-2.30VPC -20mV/oC Discharge Constant Current (Amperes at 77oF25oC) End Point Volts/Cell 1.60V 1.65V 1.70V 1.75V 1.80V 5min 10min 15min 30min 30.0 28.4 26.8 25.2 23.5 18.8 17.9 17.0 16.0 15.1 15.3 14.6 13.9 13.2 12.5 8.50 8.15 7.86 7.56 7.18 1h 3h 5h 10h 20h 4.80 4.63 4.44 4.25 4.04 1.88 1.82 1.76 1.69 1.64 1.29 1.25 1.20 1.16 1.12 0.71 0.70 0.70 0.69 0.67 0.38 0.38 0.37 0.36 0.35 Discharge Constant Power (Watts at 77oF25oC) End Point Volts/Cell 1.60V 1.65V 1.70V 1.75V 1.80V 5min 10min 15min 30min 45min 53.3 50.7 48.1 45.6 43.1 35.8 34.0 32.2 30.4 28.6 28.1 27.0 25.9 24.8 23.8 15.5 14.9 14.3 13.7 13.2 11.8 11.3 10.8 10.4 10.0 1h 2h 3h 5h 9.30 8.90 8.53 8.28 7.90 5.13 5.02 4.89 4.73 4.58 3.68 3.59 3.49 3.38 3.27 2.38 2.34 2.30 2.25 2.19 (Note)The above characteristics data are average values obtained within three charge/discharge cycles not the mimimum values All data shall be changed without notice,Vision reserves the right to explain and update the information contained hereinto page1 of www.vision-batt.com 13.0 Voltage O Discharge characteristic (25 C) Current Charged Volume CP1272 12V7.2Ah Constant voltage charging o characteristic (0.25CA,25 C) (%) (XCA) (V) 140 Voltage(v) 12.0 11.0 120 0.25 100 0.20 10.0 80 9.0 60 8.0 40 0 10 20 30 60 20 0 h Charged Volume 14.0 Charge Voltage 13.0 0.10 0.05 20 30 10 0.15 15.0 12.0 11.0 Charging Current Discharge time (V/8V) (V/6V) (V/4V) (V/CELL) 10.4 7.8 5.2 2.6 15.0 10.0 7.5 5.0 2.5 14.4 9.6 7.2 4.8 2.4 13.2 9.2 8.8 6.9 6.6 4.6 4.4 12 14 16 18 20 Self-discharge characteristic 100 90 CY S TA 13.8 10 110 2.3 CL EU ND B Capacity(%) (V/12V) Relationship between charging voltage and temperature 15.6 Charging time (hours) SE Y US 80 70 60 o E o C o C C 50 2.2 40 -10 10 20 30 40 Ambient temperature( oC) 50 60 10 12 14 16 18 20 Storage time: months Cycle service life in relation to depth of discharge Life characteristics of Standby use 120 120 100 Capacity(%) Capacity(%) 100 80 60 Testing conditions: floating voltage: 2.27 to 2.30V Cell ambient temperature: 25 oC(77 oF) 40 80 60 30% Depth of discharge 100% D.O.D 50% D.O.D 40 20 20 0 Life(year) 200 Temperature effects on float life 400 600 800 1000 Number of cycles(cycles) 1200 1400 Temperature effects on capacity 10 120 Capacity (%) Life(years) 100 80 60 40 20 0.1 10 20 30 40 50 -20 60 -10 10 20 30 40 Temperature( oC) THE INTERNATIONAL CERTIFICATION NETWORK ISO9001:2008 MH25860 G4M19906-9202-E-16 www.vision-batt.com Shenzhen Center Power Tech Co., Ltd Center Power Industrial Park, Tongfu Industrial District Dapeng Town, 518120 Shenzhen, China Tel: (+86-755) 8431 8088 Fax: (+86-755) 8431 8038 E-mail: sales@vision-batt.com Copy Right Shenzhen Center Power Technology Co., Ltd (Edition 2014-1) Page of 50( o C) ...13.0 Voltage O Discharge characteristic (25 C) Current Charged Volume CP1272 12V7.2Ah Constant voltage charging o characteristic (0.25CA,25 C) (%) (XCA) (V) 140 Voltage(v)... Co., Ltd Center Power Industrial Park, Tongfu Industrial District Dapeng Town, 518120 Shenzhen, China Tel: (+86-755) 8431 8088 Fax: (+86-755) 8431 8038 E-mail: sales@vision-batt.com Copy Right