![]() ![]() 1000 mAh is equal to a 1 Amp Hour (AH) rating. A 1700 will sustain a 1700 mAh (1.7 amp) draw for one hour. For example a 2000 mAh pack will sustain a 2000 milli amp (2 amp) draw for one hour before dropping to a voltage level that is considered discharged. Higher mAh ratings do not necessarily reflect on speed but more on runtime. Amperes - Enter the maximum current in amps that will flow through the circuit. Single-phase voltages are usually 115V or 120V, while three-phase voltages are typically 208V, 230V or 480V. Voltage - Enter the voltage at the source of the circuit. Higher numbers here reflect a long battery runtime and or higher storage capacity. Enter the information below to calculate the appropriate wire size. MilliAmp hour means how much current a battery will discharge over a period of one hour. Sometimes the 100 hour rate is given just to make the battery look better than it really is, but it is also useful for figuring battery capacity for long-term backup amp-hour requirements. The 6-hour rate is often used for industrial batteries, as that is a typical daily duty cycle. Sometimes ratings at the 6 hour rate and 100 hour rate are also given for comparison and for different applications. This means that it is discharged down to 10.5 volts over a 20 hour period while the total actual amp-hours it supplies is measured. The accepted AH rating time period for batteries used in solar electric and backup power systems (and for nearly all Cyclic AGM batteries) is the “20 hour rate”. Since 1 amp is actually a flow rate of 1 coulomb of electrons per second, and there are 3600 seconds in an hour, we can state a direct proportion between. If you have something that pulls 20 amps, and you use it for 20 minutes, then the amp-hours used would be 20 (amps) X. What is the AmpHour (Ah) rating?Īn amp-hour is one amp for one hour, or 10 amps for 1/10 of an hour and so forth. ![]() ![]() What is Amp hour (Ah), milliAmp hour (mAh)?Ī common term in the battery industry is Ah and mAh, below is described which term means. ![]()
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