The system was intended to run off of an AC adaptor, not batteries.

It is either powered by battery or by AC adaptor.

Other features include an optical digital output and an AC adaptor/charger.

Telephone amplifiers are powered by batteries or AC adaptors.

The police found the AC adaptor and the battery charger plugged into an outlet on the kitchen counter.

Operates from its AC adaptor.

Unlike most plug-and-plays, the Flashback was not powered by batteries, but an (included) AC adaptor instead.

An AC adaptor is supplied, but I can't see any photographer taking too kindly to being tied to a mains outlet.

Usually the emitter for the IR device, that is, the component that sends out the signal, uses an AC adaptor.

It required two nine-volt batteries or Coleco's Perma Power AC adaptor to power the system.

Power for the instruments came from five AA batteries, with provision for connecting an aftermarket 7.5 volt AC adaptor.

Power consumption was lowered by requiring only either one AA battery or one gumstick-type rechargeable, with optional AC adaptor input.

It operates on two AA batteries (the Postbox uses two C batteries or an AC adaptor).

The handset contained a rechargeable battery, typically NiCd; the base unit was powered by household current, typically via an AC adaptor.

It has one headphone jack, an RCA composite output jack, and can be powered either through 3 AA batteries or AC adaptor.

These FX pedals featured sturdy die cast housings, and could use either a 9 volt battery or an optional AC adaptor (wall wart) to power up.

The Power Pad 160 computer battery, which sells for $499, is encased in a titanium shell, fits beneath a laptop and connects by way of the computer's AC adaptor.

The Marine RC Boat comes with two-stick transmitter, 7.2v rechargeable battery pack, AC adaptor, extra set of prop, and dry-dock display stand.

Fully AT-compatible, the CompuAdd Companion comes with MS-DOS and Lap-Link software, built-in rechargeable battery pack and AC adaptor.

The breakout cable also adds some bulk and mess to the unit, and since the projector doesn't use batteries, you'll have to plug it in with an AC adaptor with quite the large power brick.

The PSP is equipped with a two-pin docking connector immediately below the AC adaptor jack for easy drop-in charging using a docking station that was to be sold separately for the PSP-1000 series.

They would have the AC adaptor and the lead cable with them, assuming their original intention was to come back to this hotel room to play their naughty beach-blanket tape on the television while they had a few drinks and got all steamed up again.

It was powered by a 9 volt battery or an AC adaptor, and it differentiated itself from the other similar handheld electronic football games of the era, notably Mattel Electronics's version, by having two blockers and giving the quarterback the ability to pass.

This monitor comes included with an instruction manual, an aluminum monitor stand, a U-Shape mount, an AC adaptor, a connection cable, a cigarette lighter car adaptor, and touchscreen drivers for DOS, Windows, Windows Vista, Linux, and Mac OS.

The factory box comes with the following accessories: owner's manual, sound and parameter list, AC adaptor, CD-ROM (with editor and USB MIDI driver), ferrite core, a band for fastening the core, and a leaflet ("Attaching the Ferrite Core").