Initial production runs of the MX-series cellular routers (6330s and 6335s) have a different power requirement than the standard 18V DC that is officially listed. The first wave of MXs are labeled accordingly, showing a 24VDC label above its power port.

The battery pack included with the MX Remote Mounting Kit (RMK) will differ slightly to reflect the increased power draw of units from the initial builds. As depicted below, the 24V MXs require an 8-cell battery pack compared to the 6-cell standard that's included for subsequent, 18V MXs.

This battery is intended to serve as a temporary power source for "site surveys" performed during the installation of the MX cellular router. They cannot be recharged, nor will they serve as a battery backup for power failures; the cells are disposable after depletion.