{"id":2068,"date":"2022-06-09T09:28:06","date_gmt":"2022-06-09T09:28:06","guid":{"rendered":"https:\/\/fullandfast.com\/blog\/?p=2068"},"modified":"2026-01-14T12:53:52","modified_gmt":"2026-01-14T12:53:52","slug":"baterias-c-de-capacidad-real-y-curva-de-descarga-y-no-de-cuento","status":"publish","type":"post","link":"https:\/\/fullandfast.com\/blog\/baterias-c-de-capacidad-real-y-curva-de-descarga-y-no-de-cuento\/","title":{"rendered":"Bater\u00edas. \u201cC\u201d de Capacidad Real y Curva de descarga y no de Cuento"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">En aquellas instalaciones\/equipos en las que las bater\u00edas constituyen el \u00fanico medio de almacenamiento energ\u00e9tico es fundamental entender cual son los par\u00e1metros que las definen, con el fin de dimensionarlas con la suficiente capacidad de almacenamiento para el uso que le vayamos a dar. Adem\u00e1s, si esas bater\u00edas son parte de un elemento port\u00e1til\/portable, la variable peso\/capacidad es tambi\u00e9n bastante significativa y se tiene que tener en cuenta a la hora de definir la capacidad necesaria.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Una bater\u00eda de 1kWh = 10kg = 6,6km de autonom\u00eda para un veh\u00edculo el\u00e9ctrico* <\/strong><\/h2>\n\n\n\n<p class=\"has-cyan-bluish-gray-color has-text-color has-small-font-size wp-block-paragraph\">*Media de los est\u00e1ndares europeo y americano<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El&nbsp;<strong>principio&nbsp;de&nbsp;funcionamiento&nbsp;de&nbsp;la&nbsp;bater\u00eda<\/strong>&nbsp;se&nbsp;basa&nbsp;en&nbsp;la&nbsp;conversi\u00f3n&nbsp;de&nbsp;energ\u00eda qu\u00edmica&nbsp;en el\u00e9ctrica&nbsp;y&nbsp;a&nbsp;diferencia&nbsp;de&nbsp;las&nbsp;pilas,&nbsp;\u00e9stas&nbsp;permiten&nbsp;reconvertirla&nbsp;nuevamente la&nbsp;energ\u00eda&nbsp;qu\u00edmica (una pila recargable se convierte en una bater\u00eda). Pero en ning\u00fan caso poseen la capacidad de generar energ\u00eda por si solas, de hecho, <strong>antes de salir de fabrica hay que cargarlas<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;capacidad&nbsp;de&nbsp;una&nbsp;bater\u00eda&nbsp;se&nbsp;mide&nbsp;en&nbsp;Amperios&nbsp;por&nbsp;hora&nbsp;(Ah)&nbsp;y&nbsp;expresa la corriente continua que la bater\u00eda puede suministrar en 1 hora de uso, manteniendo la tensi\u00f3n de suministro (\u201ccapacidad de trabajo\u201d) en unas condiciones especificas a una temperatura dada. &nbsp;<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Si atendemos a la expresi\u00f3n del c\u00e1lculo de la capacidad de una bater\u00eda: C\u00a0=\u00a0a.t\u00a0(en\u00a0Ah) <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f3nde&nbsp;\u201cC\u201d&nbsp;es&nbsp;la&nbsp;capacidad&nbsp;de&nbsp;la&nbsp;bater\u00eda,&nbsp;\u201ca\u201d&nbsp;la&nbsp;intensidad&nbsp;(en&nbsp;amperios)&nbsp;y&nbsp;\u201ct\u201d&nbsp;en&nbsp;tiempo&nbsp;de&nbsp;funcionamiento&nbsp;(en&nbsp;horas), y aqu\u00ed reside el fallo que muchas veces se comete\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podr\u00edamos pensar que un grupo de bater\u00edas de 300 Ah podr\u00edan entregar 30 Amperios (A) durante 10 h, \u00f3 bien la mitad de corriente 15 A durante el doble de tiempo 20h, en base a mantener constante el producto de corriente expresado en A y el tiempo expresado en hora: 300 Ah<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Pero&#8230; la realidad es que no<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">En la practica,<strong> la descarga de una bater\u00eda no tiene un comportamiento lineal, tampoco ideal, no es posible obtener tantos amperios<\/strong>, aunque sea en poco tiempo como nosotros queremos, debido a que existe un<strong> fen\u00f3meno de saturaci\u00f3n<\/strong> que hace que a medida que le pedimos a la bater\u00eda grandes cantidades de corriente, la capacidad disminuya y no llegue a suministra el total (aunque fuera solo por 1h).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para evitar esta confusi\u00f3n, los fabricantes de las bater\u00edas especifican el valor de la capacidad con un numero junto a la letra <strong>\u201cCX\u201d (tasa de carga o descarga)<\/strong>, siendo esa X las horas nominales de descarga. Es decir, las horas que requiere la bater\u00eda para poder entregar el total de energ\u00eda que lleva almacenada sin perdidas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sigamos con el ejemplo de la bater\u00eda de 300 Ah:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si el fabricante nos entrega una bater\u00eda de 300 Ah de \u201cC30\u201d de capacidad, significa que la capacidad de 300 Ah est\u00e1 cuantificada en una descarga de 30 horas (C30) y de aqu\u00ed se deduce que la corriente nominal de descarga que la bater\u00eda proporcionar\u00e1 en nuestra instalaci\u00f3n ser\u00e1 de: 10 A (300\/30). En el caso de que el equipo conectado a la bater\u00eda demande una corriente superior a 10 A la capacidad de la bater\u00eda, la capacidad bajar\u00e1\u2026 \u00bfcu\u00e1nto?<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Seg\u00fan  la curva de descarga de la bater\u00eda que nos facilita el fabricante<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En estas tablas se observan las diferentes intensidades (A) y tensiones (V) que es capaz de suministrar la bater\u00eda en un determinado tiempo la bater\u00eda, a una determinada temperatura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En todas ellas se constata que la potencia instant\u00e1nea (P=V.I) que puede suministra una bater\u00eda en un determinado momento, es distinta seg\u00fan la intensidad a la que estemos descargando.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"472\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-2069 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png 796w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-480x285.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 796px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 796px; --smush-placeholder-aspect-ratio: 796\/472;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"472\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-2069 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png 796w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-480x285.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 796px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 796px; --smush-placeholder-aspect-ratio: 796\/472;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"472\" src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-2069\" srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png 796w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-480x285.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 796px, 100vw\" \/><\/noscript><\/noscript><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"410\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-2070 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png 627w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1-480x314.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 627px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 627px; --smush-placeholder-aspect-ratio: 627\/410;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"410\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-2070 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png 627w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1-480x314.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 627px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 627px; --smush-placeholder-aspect-ratio: 627\/410;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"410\" src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-2070\" srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png 627w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1-480x314.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 627px, 100vw\" \/><\/noscript><\/noscript><figcaption>Ilustraci\u00f3n 1 curvas de descarga de bater\u00edas de litio ferro fosfato en condiciones ideales \u2013 KUANTICA HYBRID SOLAR TECHNOLOGIES<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">De ah\u00ed que muchos fabricantes de bater\u00edas definan varios par\u00e1metros seg\u00fan las corrientes de descarga (seg\u00fan la qu\u00edmica de la bater\u00eda). Y que hagan lo mismo los fabricantes de equipos de acumulaci\u00f3n, pudiendo definir diferentes tipos de potencias en base al tiempo de uso, atendiendo a la curva de descarga de la bater\u00eda que han integrado:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2981 Descarga continua m\u00e1xima \/ Potencia de salida continua (a intensidad nominal)<br>\u2981 Descarga de r\u00e1faga (hasta 5 segundos) \/ Potencia de arranque (5 segundos)<br>\u2981 Carga continua m\u00e1xima<br>\u2981 Carga r\u00e1pida<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En ocasiones los fabricantes de las bater\u00edas especifican la tasa de carga\/descarga precediendo a la letra C, \u201cxC\u201d. En este caso, se trata de una relaci\u00f3n que toma como 1 h, las horas nominales de carga\/descarga, o lo que es lo mismo: \u201cxC1\u201d. Pudiendo obtener las horas nominales de carga\/descarga, dividiendo 1 entre el numero que precede a la C.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ejemplos:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2981 Corriente de carga m\u00e1xima: 0,5C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El fabricante nos esta indicando que la bater\u00eda requiere de 2 horas en el mejor de los casos para cargarse por completo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2981 Corriente de descarga est\u00e1ndar: 0,2C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El fabricante nos esta indicando que la bater\u00eda requiere de 5 horas para poder entregar el total de la energ\u00eda que lleva almacenada sin perdidas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por ultimo, existen descripciones de bater\u00edas o aplicaciones que marcan tasas de descarga\/carga por encima de 1C (1 hora). Si tom\u00e1ramos como ejemplo una bater\u00eda de 100kWh, con una curva de descarga 2C, hipot\u00e9ticamente ser\u00eda capaz de entregar esos 100kWh en 30 minutos, por lo que la potencia instant\u00e1nea capaz de entregar la bater\u00eda seria de 200kW. Pero <strong>hay que tener en cuenta que esto no significa que la bater\u00eda se pueda cargar o descargar completamente con esta potencia constante. Es s\u00f3lo una relaci\u00f3n de la <span style=\"text-decoration: underline;\">potencia instant\u00e1nea<\/span> (en un momento dado) en relaci\u00f3n con la capacidad de la bater\u00eda.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La realidad es que trabajar con potencias instant\u00e1neas por encima de la capacidad de la bater\u00eda (100kWh), es algo desaconsejado por todos los fabricantes de bater\u00edas (ejemplo las bater\u00edas de los veh\u00edculos el\u00e9ctricos distinguen entre bater\u00eda total y bater\u00eda \u00fatil, siendo esta segunda menor). Dimensionando siempre con un margen del 50% o 100% adicional para una mayor longevidad de la bater\u00eda. Con una tasa de descarga continua m\u00e1xima recomendada 1C o C1 (bater\u00edas por ejemplo de la familia NCA (LiNiCoAlO2)) aun pudiendo ser mucho m\u00e1s alta si no le importa perder parte de su vida \u00fatil (ciclos de carga y descarga). <strong>Los valores altos de C representan una mayor potencia, una carga y descarga m\u00e1s r\u00e1pidas y m\u00e1s estr\u00e9s en la bater\u00eda.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">ENG<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In that facilities\/equipment in which batteries are the only means of energy storage, it is essential to understand the parameters that define them, in order to size them with sufficient storage capacity for the use that we are going to give them. Furthermore, if these batteries are part of a portable\/portable element, the weight\/capacity variable is also quite significant and must be considered when defining the necessary capacity.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A 1kWh Battery = 10kg = 6.6km of autonomy for an electric vehicle*<\/strong><\/h2>\n\n\n\n<p class=\"has-cyan-bluish-gray-color has-text-color has-small-font-size wp-block-paragraph\">*Average of European and American standards<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The operating principle of the battery is based on the conversion of chemical energy into electricity and unlike batteries, they allow the chemical energy to be reconverted again (a rechargeable battery becomes a battery). But in no case do they have the capacity to generate energy by themselves, in fact, before leaving the factory they have to be charged.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The capacity of a battery is measured in Amps per hour (Ah) and expresses the continuous current that the battery can supply in 1 hour of use, maintaining the supply voltage (\u201cworking capacity\u201d) under specific conditions at a given temperature.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">If we attend to the expression of the calculation of the capacity of a battery:  C = a.t (in Ah)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Where &#8220;C&#8221; is the battery capacity, &#8220;a&#8221; the intensity (in amps) and &#8220;t&#8221; in operating time (in hours), and here lies the mistake that is often made\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We could think that a group of 300 Ah batteries could deliver 30 Amps (A) for 10 hours, or half the current 15 A for twice the time 20 hours, based on keeping the product of current expressed in A constant and the time expressed in hours: 300 Ah.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">But&#8230; the reality is not<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">In practice, the discharge of a battery does not have a linear behavior, nor is it ideal, it is not possible to obtain as many amps, even in a short time as we want, because there is a saturation phenomenon that causes that as we ask to the battery large amounts of current, the capacity decreases and does not supply the total (even if only for 1h).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To avoid this confusion, battery manufacturers specify the value of the capacity with a number next to the letter \u201cCX\u201d (rate of charge or discharge), that X being the nominal hours of discharge. That is, the hours that the battery requires to be able to deliver the total energy that it has stored without loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s continue with the example of the 300 Ah battery:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the manufacturer gives us a 300 Ah battery with a \u201cC30\u201d capacity, it means that the 300 Ah capacity is quantified in a 30-hour discharge (C30) and from this it follows that the nominal discharge current that the battery will provide in our installation it will be: 10 A (300\/30). In the event that the equipment connected to the battery demands a current greater than 10 A of the battery capacity, the capacity will drop\u2026 how much?<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">According to the battery discharge curve provided by the manufacturer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">These tables show the different currents (A) and voltages (V) that the battery is capable of supplying in a given time, at a given temperature.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In all of them it is verified that the instantaneous power (P=V.I) that a battery can supply at a given moment is different depending on the intensity at which we are discharging.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"472\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-2069 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png 796w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-480x285.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 796px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 796px; --smush-placeholder-aspect-ratio: 796\/472;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"472\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-2069 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png 796w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-480x285.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 796px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 796px; --smush-placeholder-aspect-ratio: 796\/472;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"472\" src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png\" alt=\"\" class=\"wp-image-2069\" srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image.png 796w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-480x285.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 796px, 100vw\" \/><\/noscript><\/noscript><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"410\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-2070 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png 627w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1-480x314.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 627px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 627px; --smush-placeholder-aspect-ratio: 627\/410;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"410\" data-src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-2070 lazyload\" data-srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png 627w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1-480x314.png 480w\" data-sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 627px, 100vw\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 627px; --smush-placeholder-aspect-ratio: 627\/410;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"410\" src=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png\" alt=\"\" class=\"wp-image-2070\" srcset=\"https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1.png 627w, https:\/\/fullandfast.com\/blog\/wp-content\/uploads\/2022\/06\/image-1-480x314.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 627px, 100vw\" \/><\/noscript><\/noscript><figcaption>Illustration 1 discharge curves of lithium ferrophosphate batteries under ideal conditions \u2013 KUANTICA HYBRID SOLAR TECHNOLOGIES<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hence, many battery manufacturers define various parameters based on discharge currents (based on battery chemistry). And that the manufacturers of storage equipment do the same, being able to define different types of power based on the time of use, considering the battery discharge curve that they have integrated:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Maximum Continuous Discharge \/ Continuous Power Output (at rated current)<br>\u2022 Burst Discharge (up to 5 seconds) \/ Cranking Power (5 seconds)<br>\u2022 Maximum continuous load<br>\u2022 Fast charge<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes battery manufacturers specify the charge\/discharge rate preceding the letter C, \u201cxC\u201d. In this case, it is a relation that takes as 1 h, the nominal charge\/discharge hours, or what is the same: \u201cxC1\u201d. Being able to obtain the nominal hours of charge\/discharge, dividing 1 by the number that precedes the C.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Maximum charging current: 0.5C<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The manufacturer is indicating that the battery requires 2 hours in the best case to fully charge.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Standard discharge current: 0.2C<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The manufacturer is telling us that the battery requires 5 hours to be able to deliver the total energy it has stored without loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lastly, there are descriptions of batteries or applications that mark discharge\/charge rates above 1C (1 hour). If we take as an example a 100kWh battery, with a 2C discharge curve, hypothetically it would be able to deliver those 100kWh in 30 minutes, so the instantaneous power capable of delivering the battery would be 200kW. <strong>But keep in mind that this does not mean that the battery can be fully charged or discharged with this constant power. It is just a ratio of the instantaneous power (at a given moment) in relation to the capacity of the battery.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The reality is that working with instantaneous powers above the battery capacity (100kWh) is something discouraged by all battery manufacturers (for example, electric vehicle batteries distinguish between total battery and useful battery, the latter being less). Always sizing with a margin of 50% or 100% additional for greater battery longevity. <strong>With a recommended maximum continuous discharge rate 1C or C1<\/strong> (batteries for example from the NCA family (LiNiCoAlO2)) although it can be much higher if you don&#8217;t mind losing part of its useful life (charge and discharge cycles). <strong>High values \u200b\u200bof C represent higher power, faster charging and discharging, and more stress on the battery.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En aquellas instalaciones\/equipos en las que las bater\u00edas constituyen el \u00fanico medio de almacenamiento energ\u00e9tico es fundamental entender cual son los par\u00e1metros que las definen, con el fin de dimensionarlas con la suficiente capacidad de almacenamiento para el uso que le vayamos a dar. Adem\u00e1s, si esas bater\u00edas son parte de un elemento port\u00e1til\/portable, la [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2072,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[89],"tags":[],"class_list":["post-2068","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eficiencia-energetica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.10 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bater\u00edas. \u201cC\u201d de Capacidad Real y Curva de descarga<\/title>\n<meta name=\"description\" content=\"Analiza la capacidad real de las bater\u00edas y su curva de descarga para optimizar el rendimiento de veh\u00edculos el\u00e9ctricos.\" \/>\n<meta name=\"robots\" content=\"index, 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