AOT-EQ-STC-BEW battery can accommodate electrodes and separators of various sizes (diameter 19, 20, and 24mm). It is designed for simple and rapid assembly testing of rechargeable battery electrode materials.
It contains a quartz observation window on the bottom which allows in-situ X-Ray analysis of battery material phase transition during charging and discharging process. Two needle valves allow you control air flow pressure and its splittable design provides you the most convenient way to test various anode and cathode materials. It's1