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Describen la tensión del sistema de almacenamiento, pero no indican por sí solas cuánta energía guarda, cuánto puede entregar ni si funcionará con tu inversor. La elección empieza por la compatibilidad del conjunto y por tus necesidades de consumo.",{"type":623,"value":626},"\n\n",{"type":614,"tag":628,"attrs":629,"children":631},"h2",{"id":630},"que-significan-lv-hv",[632],{"type":623,"value":633},"Qué significan LV y HV en una batería doméstica",{"type":623,"value":635},"\n",{"type":614,"tag":619,"attrs":637,"children":638},{},[639,641,647,649,654],{"type":623,"value":640},"LV viene de ",{"type":614,"tag":642,"attrs":643,"children":644},"em",{},[645],{"type":623,"value":646},"low voltage",{"type":623,"value":648}," y HV de ",{"type":614,"tag":642,"attrs":650,"children":651},{},[652],{"type":623,"value":653},"high voltage",{"type":623,"value":655},". En catálogos de almacenamiento residencial se utilizan para distinguir familias que trabajan con tensiones continuas diferentes. Son denominaciones comerciales y técnicas del producto: no conviene convertirlas en una frontera legal universal entre instalaciones de baja y alta tensión.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":658,"children":659},{},[660],{"type":623,"value":661},"Comprueba la tensión nominal y, sobre todo, el intervalo de funcionamiento de la batería completa. Un módulo no siempre trabaja de forma independiente: al conectar módulos en serie aumenta la tensión del conjunto. La ficha debe corresponder a la configuración exacta que aparece en el presupuesto.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":664,"children":666},{"id":665},"tension-energia-potencia",[667],{"type":623,"value":668},"Tensión, capacidad y potencia son datos distintos",{"type":623,"value":635},{"type":614,"tag":671,"attrs":672,"children":673},"table",{"class":671},[674,698],{"type":614,"tag":675,"attrs":676,"children":677},"thead",{},[678],{"type":614,"tag":679,"attrs":680,"children":681},"tr",{},[682,688,693],{"type":614,"tag":683,"attrs":684,"children":685},"th",{},[686],{"type":623,"value":687},"Dato",{"type":614,"tag":683,"attrs":689,"children":690},{},[691],{"type":623,"value":692},"Qué indica",{"type":614,"tag":683,"attrs":694,"children":695},{},[696],{"type":623,"value":697},"Qué debes comparar",{"type":614,"tag":699,"attrs":700,"children":701},"tbody",{},[702,703,722,723,741,742,760],{"type":623,"value":635},{"type":614,"tag":679,"attrs":704,"children":705},{},[706,712,717],{"type":614,"tag":707,"attrs":708,"children":709},"td",{},[710],{"type":623,"value":711},"Tensión, en V",{"type":614,"tag":707,"attrs":713,"children":714},{},[715],{"type":623,"value":716},"La diferencia de potencial del circuito de la batería.",{"type":614,"tag":707,"attrs":718,"children":719},{},[720],{"type":623,"value":721},"Rango admitido por el inversor y configuración de módulos.",{"type":623,"value":635},{"type":614,"tag":679,"attrs":724,"children":725},{},[726,731,736],{"type":614,"tag":707,"attrs":727,"children":728},{},[729],{"type":623,"value":730},"Capacidad útil, en kWh",{"type":614,"tag":707,"attrs":732,"children":733},{},[734],{"type":623,"value":735},"La energía que el fabricante permite utilizar en determinadas condiciones.",{"type":614,"tag":707,"attrs":737,"children":738},{},[739],{"type":623,"value":740},"La parte disponible tras reservar energía y considerar las pérdidas.",{"type":623,"value":635},{"type":614,"tag":679,"attrs":743,"children":744},{},[745,750,755],{"type":614,"tag":707,"attrs":746,"children":747},{},[748],{"type":623,"value":749},"Potencia, en kW",{"type":614,"tag":707,"attrs":751,"children":752},{},[753],{"type":623,"value":754},"La rapidez con la que puede cargar o descargar.",{"type":614,"tag":707,"attrs":756,"children":757},{},[758],{"type":623,"value":759},"Potencia continua, pico y límites del inversor y del sistema de gestión.",{"type":623,"value":635},{"type":623,"value":635},{"type":614,"tag":619,"attrs":763,"children":764},{},[765,767,773],{"type":623,"value":766},"Dos baterías con la misma capacidad útil pueden alimentar cargas distintas. Una de ellas quizá entregue menos potencia continua o reduzca su salida a cierta temperatura. Si necesitas entender estas unidades, consulta nuestra ",{"type":614,"tag":768,"attrs":769,"children":770},"nuxt-link",{"to":310},[771],{"type":623,"value":772},"guía de kW y kWh",{"type":623,"value":774},".",{"type":623,"value":626},{"type":614,"tag":628,"attrs":777,"children":779},{"id":778},"intensidad-y-perdidas",[780],{"type":623,"value":781},"Por qué la tensión influye en la intensidad",{"type":623,"value":635},{"type":614,"tag":619,"attrs":784,"children":785},{},[786],{"type":623,"value":787},"En un ejemplo ideal de corriente continua, la potencia es tensión multiplicada por intensidad. Para entregar 5.000 W a 50 V hacen falta 100 A; a 400 V, 12,5 A. Es una comparación matemática, no una recomendación de conexión ni la ficha de un producto concreto.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":790,"children":791},{},[792],{"type":623,"value":793},"Una intensidad menor reduce las pérdidas resistivas si se mantienen iguales las demás condiciones. Sin embargo, el rendimiento real también depende de los convertidores, el cableado, la temperatura y el punto de trabajo. Por eso no se puede concluir que cualquier batería HV ahorra más que cualquier LV. Tampoco una tensión menor convierte un equipo en seguro para manipularlo sin formación.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":796,"children":798},{"id":797},"compatibilidad-inversor",[799],{"type":623,"value":800},"La compatibilidad vale más que las siglas",{"type":623,"value":635},{"type":614,"tag":619,"attrs":803,"children":804},{},[805],{"type":623,"value":806},"Antes de aceptar una oferta, pide la lista de compatibilidad vigente del fabricante y comprueba batería, inversor, número de módulos y versión de software. El sistema de gestión de la batería debe comunicarse correctamente con el inversor; compartir un conector o un voltaje parecido no basta.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":809,"children":810},{},[811,813,822],{"type":623,"value":812},"El ",{"type":614,"tag":814,"attrs":815,"children":819},"a",{"href":816,"target":817,"rel":818},"https:\u002F\u002Fwww.bydbatterybox.com\u002Fdownloads","_blank","noopener noreferrer",[820],{"type":623,"value":821},"centro de documentación de BYD Battery-Box",{"type":623,"value":823},", por ejemplo, separa fichas, manuales y listas de inversores compatibles. Es el tipo de documentación que debe acompañar a una propuesta, sin asumir que todas las combinaciones de una marca son válidas.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":826,"children":827},{},[828,830,835],{"type":623,"value":829},"Si ya tienes placas, habrá que estudiar si se conserva el inversor, se sustituye por uno híbrido o se incorpora un sistema acoplado en alterna. Compara el coste completo y las funciones resultantes, no solo el precio del módulo. Nuestra ",{"type":614,"tag":768,"attrs":831,"children":832},{"to":128},[833],{"type":623,"value":834},"guía de inversores híbridos",{"type":623,"value":836}," explica esta diferencia.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":839,"children":841},{"id":840},"monofasica-trifasica",[842],{"type":623,"value":843},"LV\u002FHV no equivale a monofásica\u002Ftrifásica",{"type":623,"value":635},{"type":614,"tag":619,"attrs":846,"children":847},{},[848],{"type":623,"value":849},"La batería trabaja en corriente continua; la vivienda recibe corriente alterna. La conexión monofásica o trifásica depende del inversor y del diseño de la instalación, no de una equivalencia automática con LV o HV. Deben comprobarse también la potencia por fase y qué circuitos reciben respaldo durante un apagón.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":852,"children":853},{},[854],{"type":623,"value":855},"Una batería compatible con el inversor tampoco garantiza suministro de emergencia. El respaldo requiere funciones, protecciones y conmutación apropiadas. Pide una descripción escrita de los circuitos respaldados, su potencia máxima y las limitaciones cuando queda poca carga.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":858,"children":860},{"id":859},"como-decidir",[861],{"type":623,"value":862},"Cómo decidir entre dos ofertas",{"type":623,"value":635},{"type":614,"tag":865,"attrs":866,"children":867},"ul",{},[868,874,879,884],{"type":614,"tag":869,"attrs":870,"children":871},"li",{},[872],{"type":623,"value":873},"Compara capacidad útil y potencia continua de la configuración completa.",{"type":614,"tag":869,"attrs":875,"children":876},{},[877],{"type":623,"value":878},"Incluye inversor, protecciones, instalación, puesta en marcha y respaldo si lo necesitas.",{"type":614,"tag":869,"attrs":880,"children":881},{},[882],{"type":623,"value":883},"Comprueba condiciones de garantía, servicio en España y ampliación futura.",{"type":614,"tag":869,"attrs":885,"children":886},{},[887],{"type":623,"value":888},"Pide una simulación con tus horarios de consumo y la producción de tu tejado.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":891,"children":892},{},[893,895,900,902,907],{"type":623,"value":894},"Elige el sistema compatible que cubra tus necesidades con un coste justificado. Antes de decidir su tamaño, calcula ",{"type":614,"tag":768,"attrs":896,"children":897},{"to":199},[898],{"type":623,"value":899},"cuánta capacidad de batería necesitas",{"type":623,"value":901},"; para comparar alternativas, vuelve a la ",{"type":614,"tag":768,"attrs":903,"children":904},{"to":49},[905],{"type":623,"value":906},"guía de baterías solares",{"type":623,"value":774},{"type":623,"value":626},{"type":614,"tag":628,"attrs":910,"children":912},{"id":911},"preguntas-frecuentes",[913],{"type":623,"value":914},"Preguntas frecuentes",{"type":623,"value":635},{"type":614,"tag":917,"attrs":918,"children":920},"h3",{"id":919},"hv-mejor",[921],{"type":623,"value":922},"¿Una batería HV es siempre mejor?",{"type":614,"tag":619,"attrs":924,"children":925},{},[926],{"type":623,"value":927},"No. La mejor elección depende de compatibilidad, potencia, capacidad, rendimiento del conjunto, coste y asistencia. Las siglas no resumen esos factores.",{"type":623,"value":635},{"type":614,"tag":917,"attrs":930,"children":932},{"id":931},"ampliar-modulos",[933],{"type":623,"value":934},"¿Puedo añadir módulos después?",{"type":614,"tag":619,"attrs":936,"children":937},{},[938],{"type":623,"value":939},"Solo en las condiciones admitidas por el fabricante, que pueden limitar cantidades, antigüedad, estado de carga o versiones. Deja por escrito qué ampliación admite la oferta.",{"type":623,"value":635},{"type":614,"tag":917,"attrs":942,"children":944},{"id":943},"cambiar-tension",[945],{"type":623,"value":946},"¿Puedo cambiar de LV a HV conservando el inversor?",{"type":614,"tag":619,"attrs":948,"children":949},{},[950],{"type":623,"value":951},"No debe darse por hecho. El intervalo de entrada y el protocolo del inversor tienen que admitir expresamente la nueva batería y su configuración.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":954,"children":955},{},[956],{"type":614,"tag":957,"attrs":958,"children":959},"small",{},[960],{"type":623,"value":961},"Revisión técnica y de fuentes: 7 de septiembre de 2026. Las combinaciones de equipos deben verificarse de nuevo al contratar la instalación.",{"type":623,"value":635},[],[],{"div":585,"p":966,"h2":967,"em":968,"table":585,"thead":585,"tr":969,"th":970,"tbody":585,"td":971,"nuxt-link":969,"a":585,"ul":585,"li":969,"h3":970,"small":585},16,7,2,4,3,9,[973,982,992,1001],{"id":974,"name":201,"slug":975,"uri":202,"shortDescription":976,"readingTime":598,"image":977},112,"normativa-baterias-autoconsumo","Requisitos y documentación de una batería de autoconsumo: qué debe justificar el instalador y qué conservar al terminar la obra.",{"x1":978,"x2":979,"webpX1":980,"webpX2":981},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F112.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F112@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F112.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F112@2x.webp",{"id":983,"name":198,"slug":984,"uri":199,"shortDescription":985,"readingTime":986,"image":987},111,"como-calcular-capacidad-bateria-solar","Una forma de comparar tamaños de batería con datos horarios, ejemplos de capacidad útil y comprobaciones de carga, descarga y rentabilidad.",6,{"x1":988,"x2":989,"webpX1":990,"webpX2":991},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F111.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F111@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F111.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F111@2x.webp",{"id":993,"name":127,"slug":994,"uri":128,"shortDescription":995,"readingTime":986,"image":996},79,"inversores-hibridos","Cómo funciona un inversor híbrido y qué comprobar al comprarlo: baterías compatibles, diferencias con un inversor de red, respaldo y presupuesto completo.",{"x1":997,"x2":998,"webpX1":999,"webpX2":1000},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F79.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F79@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F79.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F79@2x.webp",{"id":1002,"name":48,"slug":1003,"uri":49,"shortDescription":1004,"readingTime":598,"image":1005},47,"baterias","Cómo elegir una batería solar en España: capacidad útil, potencia, compatibilidad, respaldo y presupuesto completo, con las condiciones de garantía a la vista.",{"x1":1006,"x2":1007,"webpX1":1008,"webpX2":1009},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F47.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F47@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F47.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F47@2x.webp"]