The watt-hour It is not an SI unit, despite being based on the watt.    From Wordnik.com.  [Watt-hour] Reference

In the inch-pounds unit system, a watt-hour is equivalent to 3.412 Btu.    From Wordnik.com.  [Watt-hour] Reference

The watt-hour (symbol W·h) is a unit of energy commonly used to measure electricity.    From Wordnik.com.  [Watt-hour] Reference

One watt-hour is the amount of electrical energy equivalent to a one-watt load drawing power for one hour.    From Wordnik.com.  [Watt-hour] Reference

It is expected that for every square meter of surface, the process could generate about 1 watt-hour per year.    From Wordnik.com.  [ALTERNATIVE ENERGY: Rain Power | Inhabitat] Reference

A BTU, or British thermal unit, is a unit of energy equivalent to about one-third watt-hour of electric power.    From Wordnik.com.  [Test Your Energy IQ] Reference

In the past 10 years alone, the energy density of lithium-ion batteries has doubled, and the price per watt-hour has fallen by more than 80%.    From Wordnik.com.  [Matthew Yglesias » Anti-Volt Isn’t Anti-Car] Reference

Remember that each bulb uses half a watt-hour per hour.    From Wordnik.com.  [MAKE Magazine] Reference

PAG has introduced the L95e, a new low-cost 95 watt-hour Li-lon battery.    From Wordnik.com.  [UK Regional Film and Television News] Reference

One joule equals one watt-second, so a watt-hour equals 1 x 60 x 60 = 3,600 joules.    From Wordnik.com.  [News Tom's Hardware US] Reference

This would increase the energy density, A123 writes, and slash the cost per watt-hour.    From Wordnik.com.  [GigaOM Network] Reference

The 55 watt-hour, 6 cell battery ran for about 4 hours with the screen turned down and wireless off.    From Wordnik.com.  [Raiden's Realm] Reference

In contrast, the iPhone 3GS has a 4.51 watt-hour battery and the MacBook Air has a 40 watt-hour battery.    From Wordnik.com.  [Gizmodo] Reference

Indeed, no one outside of EEStor has seen a single EEStor unit of any capacity, not even a tiny 10 watt-hour test prototype.    From Wordnik.com.  [Autoblog Green] Reference

Electronic watt-hour meters used by electric utilities have to use this approach, as the electric company bills for watt-hours, not VARS-hours.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

The high watt-hour per dollar value is made possible by the materials used in a sealed lead-acid battery: they are readily available and low in cost.    From Wordnik.com.  [Wil's Ebay E-Store]

As it turns out, the LT2118u uses a model UMO9H36, 5600 milliamp-hour/63 watt-hour battery, and the LT2120u uses the model UMO9H56, 5800 milliamp-hour/63 watt-hour model.    From Wordnik.com.  [Latest from Computerworld] Reference

The new high end notebook uses a 95 watt-hour Lithium-Polymer battery, which the company hailed as a physically compact breakthrough over the batteries used in competing laptops.    From Wordnik.com.  [AppleInsider] Reference

This may not be taken as an accurate figure, however, as the watt-hour capacity of a cell depends very largely, not only on the make of the cell, but on the rate of its discharge.    From Wordnik.com.  [Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.] Reference

From another angle, that boost could translate into a similarly large increase in energy efficiency, because half again as much work is being accomplished for each watt-hour the system consumes.    From Wordnik.com.  [The Tech Report: News] Reference

If we wanted to create a hierarchy of possible lithium-ion battery applications going from the highest value per watt-hour to the lowest value per watt-hour, the list would look something like this.    From Wordnik.com.  [SeekingAlpha.com: Home Page] Reference

In addition, the energy density can be increased even more and cost/watt-hour can be driven down when ultracapacitors are paired with batteries, either through an asymmetric system or functionally side-by-side.    From Wordnik.com.  [Marketwire - Breaking News Releases]

The 6100B can also be used to type test 0.1 per cent to two per cent energy meters, while the 6505A has a very high accuracy for calibrating and type testing secondary standard energy meters and watt-hour meters.    From Wordnik.com.  [Manufacturingtalk - manufacturing industry news] Reference

During each exercise session, an LED display shows the wattage and calculates the average watt-hours every five minutes, with a final readout revealing the total watt-hour production by the individual or quartet.    From Wordnik.com.  [HappyNews - Top Stories] Reference

4.51 watt-hour battery and the MacBook Air has a 40 watt-hour battery.    From Wordnik.com.  [Mashable!] Reference

3.82e+12 watt-hour annual US consumption (wikipedia) 10465753425 w-h daily consumption.    From Wordnik.com.  [RealClimate] Reference

60 watt-hour lithium-polymer battery, 8x Double-Layer SuperDrive, and bluetooth wireless.    From Wordnik.com.  [Fatwallet.com Hot Deals] Reference

SI multiples of watt-hour.    From Wordnik.com.  [Watt-hour] Reference

Symbol watt-hour.    From Wordnik.com.  [Watt-hour] Reference

Integrated 45 watt-hour Lithium-Polymer battery.    From Wordnik.com.  [www.hardwarezone.com Reviews] Reference

Single-phase watt-hour meters or class 2 single-phase var-hour meters.    From Wordnik.com.  [IDT Energy Metering IC Selected by Sanxing for Single Phase Smart Energy Meter - Yahoo! Finance] Reference