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Un módulo de almacenamiento vendido por separado y un sistema instalado con respaldo pueden llevar la misma cifra de kWh y tener alcances muy diferentes.",{"type":623,"value":626},"\n\n",{"type":614,"tag":628,"attrs":629,"children":631},"h2",{"id":630},"precios-publicados",[632],{"type":623,"value":633},"Qué dicen los precios publicados",{"type":623,"value":635},"\n",{"type":614,"tag":619,"attrs":637,"children":638},{},[639,641,650],{"type":623,"value":640},"En la consulta del 7 de septiembre de 2026, la ",{"type":614,"tag":642,"attrs":643,"children":647},"a",{"href":644,"target":645,"rel":646},"https:\u002F\u002Fsotysolar.es\u002F","_blank","noopener noreferrer",[648],{"type":623,"value":649},"web de SotySolar",{"type":623,"value":651}," anunciaba baterías desde 3.352 €, con impuestos incluidos. Ese anuncio no identifica junto al importe una capacidad útil ni un desglose de trabajos: es una referencia comercial de entrada, no un presupuesto comparable para tu vivienda.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":654,"children":655},{},[656,658,664,666,672],{"type":623,"value":657},"La misma empresa conserva una ",{"type":614,"tag":642,"attrs":659,"children":661},{"href":660,"target":645,"rel":646},"https:\u002F\u002Fsotysolar.es\u002Fblog\u002Fprecios-sotysolar",[662],{"type":623,"value":663},"tabla de precios publicada el 18 de abril de 2024",{"type":623,"value":665},". Su fecha impide tratarla automáticamente como una oferta vigente. Por su parte, ",{"type":614,"tag":642,"attrs":667,"children":669},{"href":668,"target":645,"rel":646},"https:\u002F\u002Fwww.tesla.com\u002Fes_es\u002Fsupport\u002Fenergy\u002Fpowerwall\u002Forder\u002Forder-powerwall",[670],{"type":623,"value":671},"Tesla España remite el precio de Powerwall al instalador certificado",{"type":623,"value":673}," que estudia el proyecto.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":676,"children":677},{},[678],{"type":623,"value":679},"Estas referencias no permiten construir una horquilla homogénea de instalaciones equivalentes. Para comparar con rigor, pide ofertas fechadas con el modelo, los kWh útiles, los impuestos y el alcance confirmados. Los ejemplos siguientes explican ese método con cifras inventadas.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":682,"children":684},{"id":683},"equipo-o-instalacion",[685],{"type":623,"value":686},"Distingue el equipo de la instalación terminada",{"type":623,"value":635},{"type":614,"tag":619,"attrs":689,"children":690},{},[691],{"type":623,"value":692},"Un precio de catálogo puede corresponder solo a un módulo de ampliación. Comprueba si faltan unidad de control, base, cables, medidor o inversor. Que aparezca una fotografía de una torre completa no demuestra que se suministre todo lo mostrado.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":695,"children":696},{},[697],{"type":623,"value":698},"En un presupuesto instalado, revisa estas partidas:",{"type":623,"value":635},{"type":614,"tag":701,"attrs":702,"children":703},"ul",{},[704,710,715,720,725,730],{"type":614,"tag":705,"attrs":706,"children":707},"li",{},[708],{"type":623,"value":709},"Batería, capacidad útil inicial y sistema de gestión incluido.",{"type":614,"tag":705,"attrs":711,"children":712},{},[713],{"type":623,"value":714},"Inversor compatible o adaptación del existente, con su referencia exacta.",{"type":614,"tag":705,"attrs":716,"children":717},{},[718],{"type":623,"value":719},"Protecciones, cableado, soportes y adecuación eléctrica necesaria.",{"type":614,"tag":705,"attrs":721,"children":722},{},[723],{"type":623,"value":724},"Mano de obra, puesta en marcha, configuración y documentación.",{"type":614,"tag":705,"attrs":726,"children":727},{},[728],{"type":623,"value":729},"Respaldo, circuitos incluidos y dispositivos adicionales, si se contratan.",{"type":614,"tag":705,"attrs":731,"children":732},{},[733],{"type":623,"value":734},"Impuestos, transporte, desplazamientos y posibles servicios periódicos.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":737,"children":738},{},[739,741,747],{"type":623,"value":740},"La ",{"type":614,"tag":742,"attrs":743,"children":744},"nuxt-link",{"to":202},[745],{"type":623,"value":746},"documentación de la batería de autoconsumo",{"type":623,"value":748}," debe formar parte del alcance acordado. Pide también qué circunstancias permitirían modificar el precio tras la visita técnica.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":751,"children":753},{"id":752},"ejemplo-presupuesto",[754],{"type":623,"value":755},"Ejemplo de presupuesto desglosado",{"type":623,"value":635},{"type":614,"tag":619,"attrs":758,"children":759},{},[760],{"type":623,"value":761},"Imaginemos una batería de 5 kWh útiles que requiere un inversor compatible. Todas las cifras de esta tabla son hipotéticas, con los impuestos ya incluidos en cada partida. No representan una tarifa comercial ni fijan el tipo impositivo aplicable a una operación real.",{"type":623,"value":635},{"type":614,"tag":764,"attrs":765,"children":766},"table",{"class":764},[767,786],{"type":614,"tag":768,"attrs":769,"children":770},"thead",{},[771],{"type":614,"tag":772,"attrs":773,"children":774},"tr",{},[775,781],{"type":614,"tag":776,"attrs":777,"children":778},"th",{},[779],{"type":623,"value":780},"Partida del ejemplo",{"type":614,"tag":776,"attrs":782,"children":783},{},[784],{"type":623,"value":785},"Importe",{"type":614,"tag":787,"attrs":788,"children":789},"tbody",{},[790,791,805,806,819,820,833,834,847,848,861],{"type":623,"value":635},{"type":614,"tag":772,"attrs":792,"children":793},{},[794,800],{"type":614,"tag":795,"attrs":796,"children":797},"td",{},[798],{"type":623,"value":799},"Batería y sistema de gestión",{"type":614,"tag":795,"attrs":801,"children":802},{},[803],{"type":623,"value":804},"2.500 €",{"type":623,"value":635},{"type":614,"tag":772,"attrs":807,"children":808},{},[809,814],{"type":614,"tag":795,"attrs":810,"children":811},{},[812],{"type":623,"value":813},"Inversor compatible",{"type":614,"tag":795,"attrs":815,"children":816},{},[817],{"type":623,"value":818},"800 €",{"type":623,"value":635},{"type":614,"tag":772,"attrs":821,"children":822},{},[823,828],{"type":614,"tag":795,"attrs":824,"children":825},{},[826],{"type":623,"value":827},"Material eléctrico e instalación",{"type":614,"tag":795,"attrs":829,"children":830},{},[831],{"type":623,"value":832},"700 €",{"type":623,"value":635},{"type":614,"tag":772,"attrs":835,"children":836},{},[837,842],{"type":614,"tag":795,"attrs":838,"children":839},{},[840],{"type":623,"value":841},"Puesta en marcha y documentación",{"type":614,"tag":795,"attrs":843,"children":844},{},[845],{"type":623,"value":846},"200 €",{"type":623,"value":635},{"type":614,"tag":772,"attrs":849,"children":850},{},[851,856],{"type":614,"tag":795,"attrs":852,"children":853},{},[854],{"type":623,"value":855},"Total instalado, sin respaldo adicional",{"type":614,"tag":795,"attrs":857,"children":858},{},[859],{"type":623,"value":860},"4.200 €",{"type":623,"value":635},{"type":623,"value":635},{"type":614,"tag":619,"attrs":864,"children":865},{},[866,868,874],{"type":623,"value":867},"El componente principal supone 2.500 ÷ 5 = 500 €\u002FkWh útil de capacidad. El conjunto instalado supone ",{"type":614,"tag":869,"attrs":870,"children":871},"strong",{},[872],{"type":623,"value":873},"4.200 ÷ 5 = 840 €\u002FkWh útil",{"type":623,"value":875},". Usar el primer valor para comparar con otra oferta completa produciría una conclusión equivocada.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":878,"children":879},{},[880],{"type":623,"value":881},"Este cociente describe el coste de adquirir capacidad, no el coste de cada kWh que la batería entregará durante su vida. Para ese segundo cálculo importan energía acumulada, pérdidas, degradación, mantenimiento y sustituciones.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":884,"children":886},{"id":885},"capacidad-y-potencia",[887],{"type":623,"value":888},"Compara capacidad útil y potencia a la vez",{"type":623,"value":635},{"type":614,"tag":619,"attrs":891,"children":892},{},[893],{"type":623,"value":894},"Dos baterías con la misma capacidad pueden entregar potencias distintas. Los kWh indican energía almacenada; los kW, el ritmo al que puede suministrarse. Revisa potencia continua, límites de carga y reserva configurada para emergencias.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":897,"children":898},{},[899],{"type":623,"value":900},"Si una segunda oferta hipotética ofreciera 8 kWh útiles por 5.600 €, con alcance equivalente, costaría 700 €\u002FkWh. Añadiría 3 kWh por 1.400 €, es decir, 466,67 € por cada kWh adicional. El menor coste unitario no basta para elegirla: esa capacidad necesita excedentes para cargarse y consumo posterior que la aproveche.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":903,"children":904},{},[905,907,912],{"type":623,"value":906},"Antes de aumentar tamaño, revisa ",{"type":614,"tag":742,"attrs":908,"children":909},{"to":199},[910],{"type":623,"value":911},"cómo calcular la capacidad necesaria",{"type":623,"value":913},". Una batería que pasa gran parte del año sin utilizar su capacidad adicional puede recuperar peor la inversión.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":916,"children":918},{"id":917},"compatibilidad-y-ampliacion",[919],{"type":623,"value":920},"El inversor existente puede cambiar el presupuesto",{"type":623,"value":635},{"type":614,"tag":619,"attrs":923,"children":924},{},[925,927,932],{"type":623,"value":926},"Un inversor anunciado como híbrido no admite cualquier batería. Pide la combinación autorizada por el fabricante, versiones requeridas y límites de ampliación. La elección entre ",{"type":614,"tag":742,"attrs":928,"children":929},{"to":196},[930],{"type":623,"value":931},"baja y alta tensión",{"type":623,"value":933}," tampoco establece por sí sola una clasificación de precio o calidad.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":936,"children":937},{},[938],{"type":623,"value":939},"Instalar placas y batería conjuntamente puede compartir trabajos, pero hay que comprobar el ahorro en dos ofertas equivalentes. Para una ampliación posterior, aclara si será necesario cambiar el inversor, añadir electrónica o actualizar documentación. No presupongas que una futura batería seguirá siendo compatible por pertenecer a la misma marca.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":942,"children":944},{"id":943},"garantias-y-costes-futuros",[945],{"type":623,"value":946},"Incluye garantías y costes futuros",{"type":623,"value":635},{"type":614,"tag":619,"attrs":949,"children":950},{},[951,953,959],{"type":623,"value":952},"Solicita por separado cobertura de batería, inversor e instalación. Comprueba capacidad retenida, condiciones de uso y quién abona diagnóstico, desplazamiento, retirada y reinstalación. La ",{"type":614,"tag":642,"attrs":954,"children":956},{"href":955,"target":645,"rel":646},"https:\u002F\u002Fenergylibrary.tesla.com\u002Fdocs\u002FPublic\u002FEnergyStorage\u002FPowerwall\u002FGeneral\u002FWarranty\u002Fen-emea\u002FPowerwall-Warranty-EN.pdf",[957],{"type":623,"value":958},"garantía europea de Powerwall",{"type":623,"value":960}," muestra que las aplicaciones y los límites de funcionamiento forman parte de la cobertura.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":963,"children":964},{},[965,967,972],{"type":623,"value":966},"Cuenta las cuotas de monitorización o control y el coste total si recurres a ",{"type":614,"tag":742,"attrs":968,"children":969},{"to":244},[970],{"type":623,"value":971},"financiación",{"type":623,"value":973},". Mantén separadas las ayudas solicitadas de las concedidas y exige que los impuestos se detallen según la operación y el territorio.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":976,"children":977},{},[978,980,985],{"type":623,"value":979},"Para decidir, calcula la ",{"type":614,"tag":742,"attrs":981,"children":982},{"to":223},[983],{"type":623,"value":984},"rentabilidad adicional de la batería",{"type":623,"value":986}," frente a mantener las placas sin almacenamiento, incluyendo el valor de los excedentes que dejarías de compensar.",{"type":623,"value":626},{"type":614,"tag":628,"attrs":989,"children":991},{"id":990},"preguntas-frecuentes",[992],{"type":623,"value":993},"Preguntas frecuentes",{"type":623,"value":635},{"type":614,"tag":996,"attrs":997,"children":999},"h3",{"id":998},"precio-diez-kwh",[1000],{"type":623,"value":1001},"¿Cuánto cuesta una batería de 10 kWh?",{"type":614,"tag":619,"attrs":1003,"children":1004},{},[1005],{"type":623,"value":1006},"La capacidad sola no permite fijar un precio instalado. Pide modelo, capacidad útil, potencia, electrónica y trabajos necesarios para tu vivienda.",{"type":623,"value":635},{"type":614,"tag":996,"attrs":1009,"children":1011},{"id":1010},"oferta-mas-barata",[1012],{"type":623,"value":1013},"¿Elijo la oferta con menor precio por kWh?",{"type":614,"tag":619,"attrs":1015,"children":1016},{},[1017],{"type":623,"value":1018},"Solo después de igualar alcance y prestaciones. Compara también servicio, garantía y aprovechamiento real del tamaño propuesto.",{"type":623,"value":635},{"type":614,"tag":619,"attrs":1021,"children":1022},{},[1023],{"type":614,"tag":1024,"attrs":1025,"children":1026},"small",{},[1027],{"type":623,"value":1028},"Fuentes revisadas el 7 de septiembre de 2026. El anuncio citado es una consulta fechada; las tablas y operaciones numéricas son ejemplos hipotéticos.",{"type":623,"value":635},[],[],{"div":585,"p":1033,"h2":1034,"a":1035,"ul":585,"li":1036,"nuxt-link":598,"table":585,"thead":585,"tr":1036,"th":1037,"tbody":585,"td":1038,"strong":585,"h3":1037,"small":585},21,7,4,6,2,10,[1040,1049,1058,1067],{"id":1041,"name":243,"slug":1042,"uri":244,"shortDescription":1043,"readingTime":1036,"image":1044},124,"financiar-placas-solares","Guía para comparar préstamos, financiación del instalador y otras modalidades sin confundir cuota pequeña con rentabilidad solar.",{"x1":1045,"x2":1046,"webpX1":1047,"webpX2":1048},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F124.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F124@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F124.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F124@2x.webp",{"id":1050,"name":222,"slug":1051,"uri":223,"shortDescription":1052,"readingTime":598,"image":1053},121,"son-rentables-baterias-solares","Cómo evaluar el ahorro adicional de una batería solar y recalcular la compensación mensual sin atribuirle el ahorro que ya daban las placas.",{"x1":1054,"x2":1055,"webpX1":1056,"webpX2":1057},"https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F121.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F121@2x.jpg","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F121.webp","https:\u002F\u002Fapi.solarplus.es\u002Ffiles\u002Fpages_featured\u002F121@2x.webp",{"id":1059,"name":198,"slug":1060,"uri":199,"shortDescription":1061,"readingTime":1036,"image":1062},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.",{"x1":1063,"x2":1064,"webpX1":1065,"webpX2":1066},"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":1068,"name":48,"slug":1069,"uri":49,"shortDescription":1070,"readingTime":598,"image":1071},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":1072,"x2":1073,"webpX1":1074,"webpX2":1075},"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"]