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The name "battery" was coined by Benjamin Franklin for an arrangement of multiple Leyden jars (an early type of capacitor) after a battery of cannon.[1] Common usage has evolved to include a single electrical cell in the definition.

A cordless telephone or portable telephone is a telephone with a wireless handset that communicates via radio waves with a base station connected to a fixed telephone line, usually within a limited range of its base station

The advertised battery life on most models is different from the real-world achievable life. For example, the fifth generation 30 GB iPod is advertised as having up to 14 hours of music playback.

A digital camera (or digicam for short) is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor.

A battery is a device that converts chemical energy directly to electrical energy.

A battery charger is a device used to put energy into a secondary cell or (rechargeable) battery by forcing an electric current through it.

The alkaline battery gets its name because it has an alkaline electrolyte of potassium hydroxide, as opposed to the acidic electrolyte of the zinc-carbon batteries which are offered in the same nominal voltages and physical size.

phone chargers are not really chargers, only adapters that provide a power source for the charging circuitry which is almost always contained within the mobile phone.

Rechargeable batteries use electrochemical reactions that are electrically reversible.

Some cordless phones advertised as 5.8 GHz actually transmit from ... utilize two rechargeable AA or AAA batteries

Duracell manufactures alkaline batteries in many common sizes, such as AAA, AA, C, D, and 9V. Lesser used sizes such as AAAA (primarily for pagers, penlights, and blood glucose meters) and J size batteries (for hospital devices) are also manufactured along with a range of "button" batteries using Zinc-air chemistry, used in calculators, hearing aids, and other small (mostly medical related) devices. Duracell began selling Dane-Elec products such as flash memory in 2008

Associated Video Producers, Inc. is a full service high definition video production company. Let us put our over 25 years of production experience to work for you to get the best possible return on investment from your business marketing, training and communications dollars.

We specialize in Wireless Outdoor Speakers made by Audio Unlimited and other quality manufacturers that provide excellent audio and durability at affordable prices. Wireless Home Speakers, especially Rock Speakers and other Outdoor Wireless Speaker Systems allow you to enjoy music or TV on your deck, patio or in your yard, without the hassle of running long wires or digging up your yard or house during installation.