EIS Box
The EIS Box is a multiplexed eight channel instrument designed for impedance measurements on batteries (or other devices such as supercapacitors or fuel cells) and is typically used in conjunction with a battery cycler. The EIS Box is isolated from ground and is capable of EIS from 100 kHz down to 10 µHz and comes in a 3U 19" rack-mountable chassis. The EIS Box comes in two versions, the EIS Box 5000 or the EIS Box 1010.
- EIS on up to eight cells sequentially
- 10 µHz to 100 kHz*
- Includes 3 m cables
- Ethernet or USB based
*For Windows 10 & 11 Operating System Only*Not compatible with Virtual Front Panel or Electrochemical Signal Analyzer software packages*Compatible with techniques within Electrochemical Energy software package, excluding cyclic voltammetry
- EIS on up to eight cells sequentially, from 10 µHz to 100 kHz
- Runs alongside a battery cycler, which handles the cycling itself
- Two versions: EIS Box 5000 to ±5 A, or EIS Box 1010 to ±1 A
- Isolated from ground, and able to measure cells within a stack
- 3U chassis for a standard 19-inch rack, about 10 kg
- Ethernet or USB, with eight 3 m cell cables included
Published EIS accuracy, not claimed accuracy
The EIS Box comes with eight 3 m cell cables and is designed to be used in conjunction with a battery tester/cycler to provide impedance testing. Cycle testing of the battery would be provided by the battery tester/cycler. It can be installed in a 19-inch rack (similar to the ECM8 multiplexer). Connection to the EIS Box is made through ethernet or USB. As with a USB connection to our potentiostats, the EIS Box has to be in constant contact with the host computer for experiments to be performed successfully. Connection via ethernet is done via a direct connection to the computer or over a local network only; connection over the internet is not possible.
Though the EIS Box was designed for single cell measurements of individual cells, it can measure voltages within a stack of cells. Each EIS Box channel can measure a +/- 5V cell whose maximum voltage does not exceed 26V versus ground. Additionally, the EIS Box cannot measure more than 26V total in a stack. For example, if you had eight or more 4.2V cells in a stack, the EIS Box cannot measure more than the first six in that stack. Please contact us if you need further explanation for this special application.
The Accuracy Contour Plot shown below provides a detailed look at the performance you can expect from the EIS Box 5000 in real-world situations.
Cited in the literature
Make impedance measurements on up to eight batteries
The EIS Box is a multiplexed eight channel instrument designed for impedance measurements on batteries (or other devices such as supercapacitors or fuel cells) and is typically used in conjunction with a battery cycler. The EIS Box is isolated from ground and is capable of EIS from 100 kHz down to 10 µHz and comes in a 3U 19" rack-mountable chassis. The EIS Box comes in two versions, the EIS Box 5000 or the EIS Box 1010.
- EIS on up to eight cells sequentially
- 10 µHz to 100 kHz*
- Includes 3 m cables
- Ethernet or USB based
*For Windows 10 & 11 Operating System Only*Not compatible with Virtual Front Panel or Electrochemical Signal Analyzer software packages*Compatible with techniques within Electrochemical Energy software package, excluding cyclic voltammetry
Accuracy Contour Plot
The Accuracy Contour Plot shown below provides a detailed look at the performance you can expect from the EIS Box 5000 in real-world situations.
The complete technical detail
| Cell Connections | Four |
|---|---|
| Number of Cells | Up to Eight |
| Cables | Set of Current and Sense Cables – 3 m standard length |
| DC Power Input Voltage | 100-240, 50-60 Hz, 2.1A |
| Connection to computer | Ethernet or USB |
| EIS Measurement | 10 uHz to 100 kHz |
| Max AC Amplitude | 3 V or 5 A (EIS Box 5000) // 3 V or 1 A (EIS Box 1010) |
| Accuracy | See Accuracy Contour Plot |
| Weight | Approximately 25 lb (10 kg) |
| Dimensions | 5.25”x18.875”x18.875” (13.3 cm H x 41.5 cm W x 45.7cm D) |
| Power | Max 120W |
| Mounting | Fits 19” (48.3 cm) standard rack mount3 U height |
| Fuses | IEC 127For 115 VAC, use 6.3 A 250 VFor 230 VAC, use 3.153 A 250 V |
| Compliance Voltage | Min. ±6.5 V (EIS Box 5000) // Min. ±22 V (EIS Box 1010) |
|---|---|
| Output Current | Min. ±5 A (EIS Box 5000) // Min. ±1 A (EIS Box 1010) |
| Unity Gain Bandwidth | 1050, 250, 43, 4.4, 0.5 kHz (EIS Box 5000) // 1100, 320, 39, 4, 0.4 kHz (EIS Box 1010) |
| Slew Rate | 10, 4.4, 0.7, 0.07, 0.007 V/µs (EIS Box 5000) // 10, 4.5, 0.6, 0.06, 0.006 V/µs (EIS Box 1010) |
| Max Input Voltage | Max ±6.0 V (EIS Box 5000) // Max ±12 V (EIS Box 1010) |
|---|---|
| Input Current | Max 25 pA |
| Input Resistance Differential (between inputs) Common Mode (input to ground) | 10 TΩ (EIS Box 5000) // 20 TΩ (EIS Box 1010)1 TΩ |
| Input Capacitance Differential (between inputs) Common Mode (input to ground) | 8 pF (EIS Box 5000) // 0.3 pF (EIS Box 101012pF |
| Bandwidth (–3 dB) | Min 12 MHz (EIS Box 5000) // Min 15 MHz (EIS Box 1010) |
| CMRR DC to 10 kHz 10 kHz to 100 kHz | 98 dB (EIS Box 5000) // 86 dB (EIS Box 1010)88 dB (EIS Box 5000) // 60 dB (EIS Box 1010) |
| A/D Full Scale Ranges | ±6.5536 V (EIS Box 5000) // ±12.0 V, ±3.0 V (EIS Box 1010) |
|---|---|
| Resolution (before gains) | 200 µV/bit (EIS Box 5000) // 400 µV/bit, 100 µV/bit (EIS Box 1010) |
| Zero Offset Error | 0.5 mV (EIS Box 5000) // 1.0 mV (EIS Box 1010) |
| Gain Error | 0.2% (EIS Box 5000) // 0.3% (EIS Box 1010 |
| Offset Range | ±6.5536 V (EIS Box 5000) // ±3.2768 V, ±13.1072 V (EIS Box 1010) |
| Post-offset Gain | 1×, 10×, 100× |
| Maximum Full-scale Range | ±5 A (EIS Box 5000) // ±1 A (EIS Box 1010) |
|---|---|
| Minimum Full-scale Range | ±50 µA (EIS Box 5000) // ±10 nA (EIS Box 1010)±500 (after 100× gain) nA // ±100 pA (EIS Box 1010) |
| Voltage across Rm | ±100 mV at full scale |
| Input Offset Current | Max 25 pA (EIS Box 5000) // Max 10 pA (EIS Box 1010) |
| Range Zero Offset | Max 0.05% of range |
| Gain Tolerance | Max 0.2% of reading (EIS Box 5000) // Max of 0.3% of reading (EIS Box 1010) |
| Resolution | 0.00333…% FS/bit |
|---|---|
| Offset Range | ±100% of range |
| Post-offset Gain | 1×, 10×, 100× |
| Accuracy | Dominated by current-to-voltage error(see above) |
| Operating Temperature Range | 0 to +45°C |
|---|---|
| Relative Humidity | Max 90% (non-condensing) |
| Storage and Shipping Temperature | –25 to +75°C |
| Maximum Shipping Acceleration | 30g |
Specifications are drawn from this product page and are pending datasheet verification — see SPEC-VERIFICATION.md.