Hello electric car enthusiasts!
Below is information on KleenSpeed's current battery system. See anything wrong? Have any suggestions? Leave a comment below and help advance electric racing technology!
KleenSpeed Battery Requirements:
We are looking for a system that is
>250kW range
150kW at a 15C discharge rate per cell
The packs are configured 115 in Series and 14 in Parallel, (total of 1610 cells in the battery system with a capacity of 13.4kWh).
We are using 3.2v 2.5Ah cells
Specifications
Nominal Capacity @ C/5 (mAh) 2,600
Average Operating Voltage @ C/5 (V) 3.2
Internal Impedance @ 1kHz,AC (m_) <>2.5 V 26,000
Charge Current (mA) ≤ 2,500
Charge Voltage Cutoff (V) 3.65
Discharge Voltage Cutoff (V) 2.5
Lbs Kg
Weight* 360 165
Capacity* 13.4 kWh
High Operating Temp (°C) 60
Low Operating Temp (°C) -30
Maximum Operating Conditions
Continuous Discharge (mA) 42,000
Pulse Discharge (mA) 30 Seconds,
Voltage >2.5 V 50,000
Short Pulse Discharge (mA) 150,000
Charge Current (mA) 5,000
Charge Voltage Cutoff (V) 4.1
Discharge Voltage Cutoff (V) 2.0
Current Specs:
Weight 360 lb, 165 kg
Capacity 13.4lb, kWh
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