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Maintenance-free battery 12V-18Ah
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BATTERY CONSTRUCTION
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Component
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Positive plate
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Negative plate
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Container
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Safety valve
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Terminal
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Separator
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Electrolyte
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Raw Material
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Lead dioxide
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Lead
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ABS
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Rubber
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Copper
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Fiberglass
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Sulfuric acid
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CHARACTERISTIC
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Nominal Voltage
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12V
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Nominal Capacity (20 hour rate)
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18Ah
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Capacity
25ᵒC(77°F)
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20 hour rate (0.36A)
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18Ah
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10 hour rate (0.684A)
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17.1Ah
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5 hour rate (1.152A)
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14.4Ah
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1 hour rate (4.68A)
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11.7Ah
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Internal Resistance
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Full Charged Battery 25ᵒC(77°F)
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<25m Ω
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Cyclic Life
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50%(C20) Depth of discharge
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600 Times
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Float Life
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25℃(77°F) Float charge at 13.8V
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About 3 Years
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Capacity affected by Temperature (20 hour )
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40ᵒC (104°F)
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102%
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25ᵒC (77°F)
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100%
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0ᵒC (32°F)
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85%
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-15ᵒC (5°F)
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65%
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Self-Discharge
25ᵒC (77°F)
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Capacity after 3 month storage
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90%
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Capacity after 6 month storage
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80%
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Capacity after 12 month storage
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62%
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Charge (Constant Voltage) 25ᵒC (77°F)
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Cycle
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Initial Charging Current Less than 5.4A Voltage 14.6-15.0V
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Float
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Voltage 13.5-13.8V
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DISCHARGE CHARACTERISTICS
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Voltage
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Run Time (Constant Current and Power 25ᵒC 77ᵒF)
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3 min
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5 min
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15 min
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30 min
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45 min
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1h
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2h
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3h
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5h
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8h
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10h
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20h
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9.6 V
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777
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687
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398
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241
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168
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134
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72,5
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52,7
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35,8
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23,6
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19,6
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10,7
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10.2V
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700
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628
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358
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221
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164
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132
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71,5
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52,2
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35,5
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23,6
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19,6
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10,7
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10.5V
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583
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551
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339
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209
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162
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130
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70,5
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51,5
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35,5
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23,2
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19,5
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10,5
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10.8V
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543
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491
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319
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180
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160
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128
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68,4
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50,1
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35,2
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23,2
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19,1
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10,3
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