20122015 Tesla Model S High Voltage Battery Pack Module 85kWh 103104300E
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Energy Capacity: 85 kWh
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Nominal Voltage: 400 V DC
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Manufacturer: Tesla
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Part Number: 1031043-00-E
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Serial / Trace Code: T15C0076900
These packs use Panasonic 18650 lithium-ion cells, arranged into 16 modules, each with 6 groups of 74 cells in parallel (a total of 7,104 cells).
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Chemistry: Lithium-ion (NCA – Nickel Cobalt Aluminum)
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Configuration: 16 modules × 6 groups × 74 cells
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Nominal pack voltage: ~400 V
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Full charge voltage: ~403–405 V
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Capacity: 85 kWh usable, ~90 kWh total
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Weight: ~1,200 lb (540 kg)














