It is a hybrid which uses both a diesel engine and an electric one (powered by a 340 volt battery).

It is a 36 volt system using three 12 volt batteries.

Battery checking for simple 1.5 volt and 9 volt batteries.

A 9 volt battery then sounds an audible alarm in the presence of enough water to bridge the contacts.

A 12 volt battery is really essential for the mechanical action of the trimmer to work effectively over a long period.

The mechanism runs on a standard 12 volt battery, which is kept charged by the solar panel.

One side housed a tool kit and the other the 6 volt battery.

There were several other sizes of nine volt batteries.

Two six volt batteries connected in series will make 12 volts.

Power is provided by a 9 volt battery.