A local company to us kept suffering from a flat vehicle battery when his fitters were at site all day with the cargo area doors open.
For some odd reason these lights do not switch off after a set period of time and can drag the battery down in hours!
We fitted a master switch near the rear door to allow his fitters to switch the lots off manually as and when required.
We charge £99.00 fitted for this service when in our engineer catchment area of the Kent coast.
Please contact us with your requirements.