CP1270 Shenzhen Center Power Tech.Co.Ltd, 12V 7Ah(20hr) Overview 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 Raw material Lead dioxide Lead Container Cover ABS General Features Maintenance-free operation Low self discharge Case and cover available in both standard and flame retardant ABS Dimensions and Weight * Weight deviation: ± 5% Terminal Separator Electrolyte Rubber Copper Fiberglass Sulfuric acid Battery Specification 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 Length(mm / inch) Width(mm / inch) Height(mm / inch) Total Height(mm / inch) Approx Weight(Kg / lbs) Safety valve ABS 151 / 5.94 65 / 2.56 93.5 / 3.68 100/ 3.94 2.32 / 5.12 Performance Characteristics 12V Nominal Voltage Number of cell years Design Life Nominal Capacity 77℉(25℃) 20 hour rate (0.35A, 10.5V) 7.0Ah 10 hour rate (0.68A, 10.5V) 6.80Ah hour rate (1.13A, 10.5V) 5.65Ah hour rate (4.56A, 9.6V) 4.56Ah Internal Resistance ≤ 30mOhms Fully Charged battery 77℉(25℃) Self-Discharge 3% of capacity declined per month at 20℃(average) Operating Temperature Range Discharge -20~60℃ Charge -10~60℃ Storage -20~60℃ 105A(5s) Max Discharge Current 77℉(25℃) 350A Short Circuit Current Charge Methods: Constant Voltage Charge 77℉(25℃) Cycle use 2.40-2.45VPC Maximum charging current 2.80A Temperature compensation -30mV/℃ Standby use 2.23-2.30VPC Temperature compensation -20mV/℃ Discharge Constant Current (Amperes at 77oF25oC) End Point Volts/Cell 5min 10min 15min 30min 1h 3h 5h 1.60V 29.1 18.4 14.8 8.30 4.56 1.84 1.26 10h 20h 0.70 0.363 1.65V 27.5 17.5 14.2 7.90 4.40 1.80 1.22 0.69 0.359 1.70V 26.0 16.7 13.6 7.62 4.22 1.74 1.17 0.69 0.355 1.75V 24.4 15.7 13.0 7.24 4.04 1.68 1.13 0.68 0.350 1.80V 22.8 14.8 12.4 7.03 3.84 1.63 1.08 0.66 0.344 o Discharge Constant Power (Watts at 77 F25oC) End Point Volts/Cell 1.60V 5min 10min 15min 52.0 30min 45min 1h 2h 3h 5h 35.1 27.5 15.2 11.50 8.97 5.06 3.59 2.33 1.65V 49.4 33.3 26.5 14.6 11.00 8.59 4.94 3.50 2.29 1.70V 46.9 31.6 25.4 14.0 10.50 8.23 4.80 3.40 2.25 1.75V 44.5 29.8 24.3 13.4 10.10 7.99 4.65 3.30 2.21 1.80V 41.6 28.0 23.3 12.9 9.75 7.62 4.50 3.19 2.15 (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 Shenzhen Center Power Tech.Co.Ltd, STOCK CODE: 002733 www.vision-batt.com 13.0 Constant voltage charging characteristic (0.25CA,25 ℃) (%) (XCA) (V) 120 0.25 100 0.20 11.0 10.0 80 0.15 0.10 40 8.0 10 20 30 60 h 20 0.05 0 20 30 15.0 Charged Volume 14.0 Charge Voltage 13.0 60 9.0 12V 7Ah(20hr) 140 12.0 Voltage(v) Current Charged Volume Discharge characteristic (25 OC) Voltage CP1270 Shenzhen Center Power Tech.Co.Ltd, 12.0 11.0 Charging Current 10 12 14 16 18 20 Charging time (hours) Discharge time Relationship between charging voltage and temperature Self-discharge characteristic 100 Cycle 15.0 Capacity(%) 15.6 Use 14.4 Standb y Use 13.8 90 80 70 60 13.2 -10 50 40 30 20 10 Ambient temperature(℃) 40 60 50 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(%) 80 60 Testing conditions:floating voltage:2.27 to 2.30V Cell ambient temperature: 25oC(77oF) 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 capacit 10 120 100 2.30V Cell Capacity (%) Capacity(%) 100 C 0.05 0.1C C 02 80 60 1.0C 2.0C 40 3.0C 20 0.1 10 20 30 40 50 60 Temperature ( ℃) Shenzhen Center Power Tech.Co.Ltd, -20 -10 10 20 30 40 50 Temperature ( ℃) STOCK CODE: 002733 www.vision-batt.com ... 12V 7Ah(20hr) 140 12.0 Voltage(v) Current Charged Volume Discharge characteristic (25 OC) Voltage CP1270 Shenzhen Center Power Tech.Co.Ltd, 12.0 11.0 Charging Current 10 12 14 16 18 20 Charging