CP445 4V 4.5Ah(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 one-way 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% 48 / 1.89 48 / 1.89 102 / 4.02 108 / 4.25 0.61 / 1.34 Nominal Voltage 4V Number of cell years Design Life Nominal Capacity 77oF(25oC) 20 hour rate (0.225A, 3.5V) 4.5Ah 10 hour rate (0.447A, 3.5V) 4.47Ah hour rate (0.85A, 3.5V) 4.25Ah hour rate (3A, 3.2V) 3Ah Internal Resistance ≤14mOhms 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 67.5A(5s) Max Discharge Current 77 F(25 C) Short Circuit Current 225A Charge Methods: Constant Voltage Charge Cycle use Maximum charging current Temperature compensation Standby use Temperature compensation 77oF(25oC) 2.40-2.45VPC 1.8A -10mV/oC 2.23-2.30VPC -6.6mV/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 15.7 14.9 14.0 13.2 12.3 12.00 11.40 10.80 10.20 9.61 9.40 8.99 8.56 8.11 7.66 5.50 5.28 5.05 4.81 4.56 1h 3h 5h 10h 20h 3.00 2.89 2.78 2.65 2.53 1.34 1.30 1.25 1.20 1.15 0.92 0.90 0.88 0.85 0.82 0.452 0.450 0.449 0.447 0.445 0.233 0.231 0.228 0.225 0.221 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 30.7 28.8 26.9 25.0 23.2 19.2 18.1 17.0 15.9 14.7 15.9 15.1 14.2 13.3 12.4 9.33 8.86 8.38 7.90 7.41 7.24 6.91 6.57 6.21 5.85 1h 2h 3h 5h 5.49 5.26 5.02 4.76 4.51 3.51 3.41 3.29 3.16 3.03 2.50 2.44 2.38 2.30 2.23 1.81 1.77 1.74 1.70 1.66 (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 Battery voltage(V) 4.3 Current Charged Volume O Discharge characteristic (25 C) Voltage CP445 140 3.7 120 0.25 100 0.20 3.3 80 0.15 3.0 0.10 40 0 10 20 30 60 10 20 30 20 0.05 0 h 5.0 CHARGED VOLUME 4.7 CHARGE VOLTAGE 4.3 60 2.7 4.0 10 12 14 16 18 20 Self-discharge characteristic 110 (V/CELL) 100 15.6 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 13.8 9.2 6.9 4.6 2.3 13.2 8.8 6.6 4.4 2.2 -10 Cycl S t an db e Us Capacity(%) (V/6V) (V/4V) Charging time (hours) Relationship between charging voltage and temperature (V/8V) CHARGING CURRENT 3.7 Discharge time (V/12V) Constant voltage charging characteristic O (0.25CA,25 C) (%) (XCA) (V) 4.0 4V4.5Ah e 90 80 70 60 y Use o o C o C C 50 10 20 30 40 50 40 60 Ambient temperature( oC) 10 12 14 Storage time: months 16 18 20 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) 80 60 40 40 20 20 Life(year) 30% Depth of discharge 100% D.O.D 50% D.O.D 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 2.30V Cell C 0 C C 80 60 C C 40 C 20 0.1 10 20 30 40 50 60 -20 -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 2013-4) Page of 50( o C) ...Battery voltage(V) 4.3 Current Charged Volume O Discharge characteristic (25 C) Voltage CP445 140 3.7 120 0.25 100 0.20 3.3 80 0.15 3.0 0.10 40 0 10 20 30 60 10 20 30 20 0.05 0 h 5.0 CHARGED... 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