Just because a battery can no longer supply the power pulses required by digital cameras and flash attachments doesn't mean it's dead.

This unit provides surge protection, and its built-in batteries can instantaneously supply electricity in the event of a power failure.

At night, an off-grid PV power system may use batteries to supply loads.

"The battery will supply any transient power that exceeds a baseline level."

A battery pack stores and supplies the energy necessary to power a hybrid car's electric motor.

The battery supplied allows 10 hours of playback per charge.

A large battery supplied current through a resistor to each wire pair (in the same way you saw in the previous section).

A battery behind the pilot's seat supplied the power.

In this case, the battery supplies the difference.

In the event of a power outage, the battery would supply power to light the sign.