The WF 3169 from WireFlow is a battery monitoring C Series module that includes an ADC and a high voltage input multiplexer. The module can measure up to 24 series-connected cells with a voltage up to 5V per cell.
The WF 3168 from WireFlow is a battery stack monitor and balancing module that includes a high voltage input multiplexer, ADC and balancing switches for each battery cell. The module can measure up to 8 series-connected cells with a voltage up to 15V per cell.