diff --git a/data/raw/extra_batteries.json b/data/raw/extra_batteries.json
index b16db05..664350b 100644
--- a/data/raw/extra_batteries.json
+++ b/data/raw/extra_batteries.json
@@ -13,5 +13,19 @@
     "recommended": false,
     "installation": "hybrid",
     "image_url": ""
+  },{
+    "id": -1,
+    "title": "Jackery Solarvault 3 Pro max AC + BP2500",
+    "url": "https://jackery.nl",
+    "brand": "Jackery",
+    "brand_slug": "jackery",
+    "capacity": 5.04,
+    "power_continuous": 2500,
+    "price": 1578,
+    "price_per_kwh": 315.6,
+    "review_score": null,
+    "recommended": false,
+    "installation": "plugin",
+    "image_url": ""
   }
 ]
diff --git a/src/pluginbattery/templates/index.html b/src/pluginbattery/templates/index.html
index 84c605d..82ab4c3 100644
--- a/src/pluginbattery/templates/index.html
+++ b/src/pluginbattery/templates/index.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Honest battery payback — vs thuisbatterijgids.nl</title>
-<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}?v=7">
+<link rel="stylesheet" href="{{ url_for('static', filename='style.css') }}?v=8">
 </head>
 <body>
 
@@ -30,7 +30,7 @@
       </label>
 
       <label>PV system (kWp)
-        <input type="number" name="pv_kwp" min="0" max="20" step="0.5" value="{{ defaults.pv_kwp }}">
+        <input type="number" name="pv_kwp" min="0" max="100" step="any" value="{{ defaults.pv_kwp }}">
         <small>0 = no PV. Yield assumed 875 kWh/kWp/yr (NL norm).</small>
       </label>
 
@@ -134,6 +134,6 @@
   </p>
 </footer>
 
-<script src="{{ url_for('static', filename='app.js') }}?v=7"></script>
+<script src="{{ url_for('static', filename='app.js') }}?v=8"></script>
 </body>
 </html>
