This 12v 40ah start battery lithium automotive battery series are based on lifepo4 technology. Compared with lead acid starter batteries, they have very high discharge rate with a smaller capacity and lighter weight.They also feature BMS inside for the safest and long-life performance. They have lower self-discharge rate so they can still provide enough cranking power when sitting for months.
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Item
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General Parameter
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Remark
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Model
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IFR 3.2V 40AH
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Single
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Casing material for single cell
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Prismatic cells
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1S4P
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Standard capacity（0.2C 5 A）
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40Ah
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Rated voltage
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12.8V
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Work voltage：3.20V
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Max.Charge voltage
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14.4V
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Single Ave. charge Voltage 3.6V
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Cut-off voltage
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10.5V
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Single Ave. Discharge Voltage 2.63V
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Standard charge current
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20A
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0.5C (can be adjusted )
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charging Time
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About 2.5h
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Max Continuous discharge current
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80A
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2C
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Peak discharge current
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500A
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12.5C 2seconds
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Battery dimension
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197±1*128±1*220±1mm
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Max dimension
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Total weight（Approx.)
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About 5.5kg
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Each box weight, 1pcs / box
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Impedance（Max, at 1000Hz.）
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≤ 8mΩ
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Between the positive and negative
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High cold cranking Amps
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300 CCA
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-20℃
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Battery case material
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ABS
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Charge method (CC/CV) |
Standard
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-20℃～55℃
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discharge
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-20℃～65℃
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storage
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-40℃～55℃
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Higher safety performance. BMS provide over current, over voltage, over temperature, short circuit protection. No fire hazard.
LiFePO4 Prismatic Cells
About 1/3 lighter in weight compared with lead acid batteries. More than 3000 cycle life and start your car more times repeatable
Peak 1000CCA Starting Power
Quick start-off ability.Capable of high current (we offer 300CCA-1000CCA ) to meet different vehicles' need.
After testing, within 5 minutes after starting, the battery charging current is close to 0A, and the idling fuel consumption of the car is reduced by more than 10%.
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