At home, using the charger included in the kit.
*Optional
Download here the document with the part numbers
On track, using the proper charger*: in this case, you do not need to remove it from the gauge.
Just use the external power cable*.
The lithium battery – not being used – can be removed: in this case the aluminum cover* is to be applied to protect the power connectors.
The Mychron 5 Battery Charger is avaibale at our online shop