To minimize peak external power usage, MARES employs a battery, housed in the main box, which distributes these short power spikes over longer time periods.

The eAssist system adds a lithium-ion battery housed in the trunk, along with regenerative braking, engine stop/start, fuel cut-off, grille louvres that close at speed, underbody panels and low-rolling resistance tires.

The entire system is powered by a lithium-ion rechargeable battery housed in the control cavity of the guitar.

The first model, completed in 1946, saw the device and its battery housed in two separate leather cases.

As the Harper dismounted, he recognized more of Fandarel's batteries housed under the sheds-sufficient power, he assumed, to sustain the entity all the hours of the day and night until the new and more powerful water-turbines were finished.

Later, a wagon version had twenty batteries housed in two-packs (front and rear), with a 26 kW (at 3,000 rpm) motor, and the car was complete in every detail down to a gas heater.