INR2170050E
Cell Origin  purchased on free market 
Cell Format  21700 
Dimensions  21 x 70 mm 
Weight  68.8 g 
Voltage Range ^{[definition]}^{[close]}
The voltage range are the electrical limits as used in the Batemo battery laboratory. Please see the Samsung INR2170050E data sheet for the precise definition of the voltage safe area of operation of the cell.

2.5 … 4.2 V 
Temperature Range ^{[definition]}^{[close]}
The temperature range are the thermal limits as used in the Batemo battery laboratory. Please see the Samsung INR2170050E data sheet for the precise definition of the temperature safe area of operation of the cell.

20 … 60 °C 
Current ^{[definition]}^{[close]}
All quantities measured in the Batemo battery laboratory. The cell current is defined to be the current the cell can deliver for 5 minutes. Therefore the cell is discharged from 100% SOC at an ambient temperature of 25°C with a constant current until either the voltage of 2.5V or the surface temperature of 60°C is reached after 5 minutes. The thermal boundary condition is free convection. This operation of the cell might be outside the specification of the cell manufacturer. 
18.33 A 
Power ^{[definition]}^{[close]}
All quantities measured in the Batemo battery laboratory. The cell power is defined to be the power the cell can deliver for 5 minutes. Therefore the cell is discharged from 100% SOC at an ambient temperature of 25°C with a constant current until either the voltage of 2.5V or the surface temperature of 60°C is reached after 5 minutes. The thermal boundary condition is free convection. This operation of the cell might be outside the specification of the cell manufacturer. 
61.9 W 
Capacity ^{[definition]}^{[close]}
All quantities measured in the battery laboratory of Batemo GmbH. The capacity is measured by discharging the cell at an ambient temperature of 25°C from 100% with a constant current of 2.50A (0.5C) until the voltage of 2.5V is reached. The thermal boundary condition is free convection. 
nominal 5.00 Ah coulombic 4.86 Ah energetic 17.3 Wh 
Energy Density ^{[definition]}^{[close]}
All quantities measured in the battery laboratory of Batemo GmbH. The capacity is measured by discharging the cell at an ambient temperature of 25°C from 100% with a constant current of 2.50A (0.5C) until the voltage of 2.5V is reached. The thermal boundary condition is free convection. 
gravimetric 252 Wh/kg volumetric 715 Wh/l 
Power Density ^{[definition]}^{[close]}
All quantities measured in the Batemo battery laboratory. The cell power is defined to be the power the cell can deliver for 5 minutes. Therefore the cell is discharged from 100% SOC at an ambient temperature of 25°C with a constant current until either the voltage of 2.5V or the surface temperature of 60°C is reached after 5 minutes. The thermal boundary condition is free convection. This operation of the cell might be outside the specification of the cell manufacturer. 
gravimetric 900 W/kg volumetric 2.55 kW/l 
Batemo Cell Validation
The Batemo Cell of the lithiumion battery cell Samsung INR2170050E is a highprecision, physical cell model with global validity. As a digital twin it seemlessly integrates into your research, development and battery analytics by basing your decisions on simulations. The accuracy and validity of the Batemo Cell will be demonstrated in the range given below. Validation is extensive, measurements are performed in the total operational area of the cell: At low and high temperatures, up to the maximal current and in the whole state of charge range.
Current Range  20 A discharge ... 7 A charge (4.0C ... 1.0C) 
Temperature Range  21 ... 60 °C 
Voltage Range  2.5 ... 4.2 V 
State of Charge Range  0 ... 100% 
Moreover, the Batemo Cell validation will be fully transparent. The raw measurement and simulation data of all experiments will be supplied, and voltage, temperature, power and energy accuracies are calculated. This allows straightforward evaluation and analysis of the Batemo Cell validity. The following experiments are included.
Constant Currents
The cell is discharged from 100% SOC or charged from 0% SOC with different constant currents at different ambient temperatures. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or 4.2V or the surface temperature of 60°C is reached. The graph shows for which ambient temperatures and charging and discharging constant currents the measurement is performed.
Pulse Currents
The cell is discharged from 100% SOC or charged from 0% SOC with current pulses followed by noload phases at different ambient temperatures. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or 4.2V or the surface temperature of 60°C is reached. The graph shows the ambient temperatures and pulse currents the measurement is performed for.
Power Profiles
The cell is loaded with a typical power profile from 100% SOC at different ambient temperatures. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or the surface temperature of 60°C is reached. The table summarizes for which ambient temperatures the profile is measured.
Ambient Temperature  Available 

20 °C  
0 °C  
25 °C  
40 °C 
Batemo Cell Accuracy
The graphs show a selection of characteristic data of the cell Samsung INR2170050E to evaluate the cell performance. The accuracy of the Batemo Cell is included as soon as the Batemo Cell is finished.
 Discharge Characteristics: The electrical and thermal discharge behavior is strongly nonlinear.
 Pulse Characteristics: The shape of different current pulses changes strongly.
 Energy Characteristics: The graph visualizes how much energy the cell can deliver when operated at different powers.
 Power Characteristics: The more power the cell supplies, the shorter it can deliver the power.
 Thermal Characteristics: The thermal losses heat up the cell the more, the higher the depleted power is.
^{[show experiment definitions]}^{[close]}
The cell is discharged from 100% SOC with different constant currents at different ambient temperatures. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or the surface temperature of 60°C is reached.
The cell is discharged from 100% SOC with current pulses followed by noload phases at different ambient temperatures. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or the surface temperature of 60°C is reached. The graph shows a zoomed view of the measurement to visualize one of the pulses.
The cell is discharged from 100% SOC with different constant currents at 25°C. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or the surface temperature of 60°C is reached. The exchanged energy and the average power of the experiment is derived and shown in the graph.
The cell is discharged from 100% SOC with different constant currents at 25°C. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or the surface temperature of 60°C is reached. The experiment duration and the average power of the experiment is derived and shown in the graph.
The cell is discharged from 100% SOC with different constant currents at 25°C. The thermal boundary condition is free convection. The measurement is finished when either the voltage of 2.5V or the surface temperature of 60°C is reached. The cell surface temperature at the end and the average power of the experiment is derived and shown in the graph.
The mean accuracies are published as soon as the Batemo Cell is finished.
Implementations
The implementations are published as soon as the Batemo Cell is finished.