SensLi CST-D2 Series self-discharge analyzer with connected laptop displaying the SensLi CST software interface.
Interior of the SensLi instrument showing a grid of 18650 Li-ion cells under test.

CST-D2 Series instruments for cylindrical cells

Analyze an entire shipping box of one hundred 21700 cells in a single scan cycle with the CST-D2. Also available for 18650, 26650 or 4680 cells. All configurations are built around the precision electronics that achieve up to 10MΩ self-discharge sensitivity in a 12-hour scan cycle.

Features

Screenshot of SensLi control interface (click to expand)

Screenshot of typical SensLi results with reference resistances enabled (click to expand)

Specifications

Model CST100DR7-D2-18650 CST100DR7-D2-21700 CST64DR7-D2-26650 CST25DR3-D2-4680
Cell form factor 18650 21700 26650 4680
Number of channels 100 100 64 25
Dimensions 22"W × 21"D × 12"H
Weight 80 lb.
Self-discharge sensitivity Up to 10 MΩ in a 12 hour scan cycle
Power and communication USB-B; typical current draw 200 mA
Software Runs on user-supplied Windows PC; control up to 5 CST-D2 instruments from one PC
CST100DR7-D2-18650
Cell form factor
18650
Channels
100
CST100DR7-D2-21700
Cell form factor
21700
Channels
100
CST64DR7-D2-26650
Cell form factor
26650
Channels
64
CST25DR3-D2-4680
Cell form factor
4680
Channels
25
CST-D2 General Specifications
Dimensions
22"W × 21"D × 12"H
Weight
80 lb.
Self-discharge sensitivity
Up to 10 MΩ in a 12 hour scan cycle
Power and communication
USB-B; typical current draw 200 mA
Software
Runs on user-supplied Windows PC; control up to 5 CST-D2 instruments from one PC