An ampere-hour or amp-hour (symbol: A⋅h or A h; often simplified as Ah) is a unit of electric charge, having dimensions of electric current multiplied...

expressed indirectly by its capacity in ampere-hours; to convert ampere-hour (Ah) to watt-hours (Wh), the ampere-hour value must be multiplied by the voltage...

In electrochemistry, Faraday efficiency (also called faradaic efficiency, faradaic yield, coulombic efficiency, or current efficiency) describes the efficiency...

applied the induction principle previously used only in AC ampere hour meters to produce a watt-hour meter of the modern electromechanical form, using an induction...

System of Units (SI). It is equal to the electric charge delivered by a 1 ampere current in 1 second and is defined in terms of the elementary charge e,...

Ampere hours (Ah or A·h) is a unit related to the energy storage capacity of the battery. This rating is required by law in Europe. The ampere hour rating...

Charles-Augustin de Coulomb. In electrical engineering it is also common to use the ampere-hour (A⋅h). In physics and chemistry it is common to use the elementary charge...

peya. air changes per hour (ACH), a measure of the replacements of air within a defined space used for indoor air quality ampere hour (Ah), a measure of...

cells, and is exceedingly difficult to reproduce, especially in lower ampere-hour cells. In one particular test program designed to induce the effect,...

air handling unit (AHU), a device used to condition and circulate air Ampere hour, a unit of electric charge Aegyptiaca Helvetica, an archaeological journal...

activated charcoal Electric system batteries: three 40 ampere-hour silver-zinc batteries; two 0.75 ampere-hour silver-zinc pyrotechnic batteries Parachutes: two...

in the French army. A 24 volt electrical system with six 12-volt/100-ampere-hour batteries is standard. Two waterjets are used for water propulsion, mounted...

ISRO is working to broaden its application. On board POEM-3, the 10 Ampere-hour high-power energy cells based on silicon–graphite anode were also tested...

Adderall, a stimulant drug Milliampere second (mAs), a fraction of an ampere hour, a unit of electric charge Milliarcseconds (mas), a unit of angular measurement...

at liftoff: 2.124 (in lunar gravity) Batteries: Two 28–32 volt, 296 ampere hour Silver-zinc batteries; 125 lb (57 kg) each Power: 28 V DC, 115 V 400 Hz...

by running current through it. The charging protocol—how much voltage, amperes, current, for how long and what to do when charging is complete—depends...

could produce 800 W at Earth and 500 W at Mars. Power was stored in a 20 ampere hour nickel-cadmium battery. Propulsion was provided by a gimbaled engine...

higher than the discharge voltage, the watt-hour efficiency of a silver–cadmium cell is about 70%; ampere-hour efficiency is about 98%. The usual recommended...

The electric motors of powerchairs are usually powered by 12 to 80 ampere hour 12 volt rechargeable deep-cycle batteries, the smaller batteries are...

current equal to one tenth the ampere-hour rating (C/10) for 14–16 hours; that is, a 100 mAh battery takes 10 mA for 14 hours, for a total of 140 mAh to charge...

air must come in; the oxygen in 1 liter of air is required for every ampere-hour of capacity used. Zinc–air batteries have higher energy density than...

discharged at a rate that will fully discharge the battery in 20 hours (at 5 amperes for this example). If discharged at a faster rate the delivered capacity...

about a three-hour drive from the city of Foz do Iguaçu, and approximately 40 kilometers from the border with Argentina. The city of Ampére was officially...

(abbreviation of ampere meter) is an instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name...

volt battery packs are the de facto standard in new power tools. The ampere hour, in simple terms, tells something about how long the power tool can operate...

a "wet battery". (A dry cell could be used for the purpose, but the ampere-hour capacity of dry cells was too low at the time to be of practical use...

ampere-hour rating. Some solar electric systems have batteries in parallel to increase the storage capacity; a close approximation of total amp-hours...

depth of discharge, or below. For instance, a 12V battery with a 100 ampere hour (Ah) capacity will reach this density when 25 Ah (300 Wh) or more have...

and 1800 watts at one AU (150,000,000 km). Power was stored in a nine-ampere-hour, 22-cell rechargeable super nickel-cadmium battery. Spacecraft guidance...

batteries can be connected in parallel. This increases the overall ampere hour (Ah) rating of the battery set. If a single battery is discharged though...