{"id":8592,"date":"2025-12-12T13:16:38","date_gmt":"2025-12-12T13:16:38","guid":{"rendered":"https:\/\/rolux-battery.com\/?p=8592"},"modified":"2025-12-12T13:16:40","modified_gmt":"2025-12-12T13:16:40","slug":"rolux-grand-iii-250wh-gold-mount-battery-usb-c-high-capacity-high-performance-power-for-professional-cinema-systems","status":"publish","type":"post","link":"https:\/\/rolux-battery.com\/ja\/rolux-grand-iii-250wh-gold-mount-battery-usb-c-high-capacity-high-performance-power-for-professional-cinema-systems\/","title":{"rendered":"Rolux Grand III 250Wh Gold Mount Battery (USB-C): High-Capacity, High-Performance Power for Professional Cinema Systems"},"content":{"rendered":"\n<p>For filmmakers who rely on long-lasting, high-output power solutions to support demanding cinema gear, the <strong><a href=\"https:\/\/rolux-battery.com\/product\/rolux-grand-iii-250wh-gold-mount-battery-usb-c\/\">Rolux Grand III 250Wh Gold Mount Battery (USB-C)<\/a><\/strong> is designed to meet the needs of serious production environments. With a significantly larger capacity and advanced USB-C PD technology, this powerhouse battery delivers exceptional runtime, strong current support, and multi-device flexibility\u2014all in a rugged, professional-grade form factor.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Massive 250Wh Capacity for Extended Runtime<\/strong><\/h2>\n\n\n\n<p>The Rolux Grand III features a substantial <strong>250Wh \/ 17,250mAh<\/strong> capacity built from dependable Samsung 35E 18650 lithium-ion cells. This ensures steady, efficient power delivery for high-draw cinema cameras, LED lighting, monitors, and wireless systems throughout long shooting days.<\/p>\n\n\n\n<p>Its <strong>14.4V rated voltage<\/strong> and <strong>220W maximum output<\/strong> make it ideal for powering modern digital cinema systems that require consistent voltage regulation and strong current supply.<\/p>\n\n\n\n<p>Despite being a high-capacity battery, the Grand III maintains a practical, production-friendly size:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Battery Size:<\/strong> 127.3 \u00d7 82 \u00d7 101.9 mm<\/li>\n\n\n\n<li><strong>Weight:<\/strong> 1290g<\/li>\n<\/ul>\n\n\n\n<p>This larger footprint supports the extended energy storage while still remaining manageable for field and studio work.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>High-Current Outputs for Professional Gear<\/strong><\/h2>\n\n\n\n<p>The Rolux Grand III is built to integrate seamlessly with professional camera rigs through its robust power interfaces:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Primary High-Output Ports<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>BP Interface:<\/strong> 14.4V \/ 15A<\/li>\n\n\n\n<li><strong>D-Tap Output:<\/strong> 14.4V \/ 15A<\/li>\n<\/ul>\n\n\n\n<p>These outputs support high-power cinema cameras, external monitors, focus systems, wireless transmitters, and more, ensuring stable performance even during peak consumption.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Advanced USB-C PD Technology for Universal Device Support<\/strong><\/h2>\n\n\n\n<p>The Grand III elevates on-set convenience by offering next-generation USB-C Power Delivery:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>USB-C Output:<\/strong> Up to <strong>100W<\/strong>, supporting PD2.0 and PD3.0<\/li>\n\n\n\n<li><strong>USB-C Input:<\/strong> Up to <strong>65W<\/strong> PD fast charging<\/li>\n<\/ul>\n\n\n\n<p>The 100W output is especially valuable for powering:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Laptops<\/li>\n\n\n\n<li>Portable editing devices<\/li>\n\n\n\n<li>Tablets<\/li>\n\n\n\n<li>Fast-charging accessories<\/li>\n<\/ul>\n\n\n\n<p>This makes the battery an excellent companion for remote shoots and mobile production workflows.<br>The 65W USB-C input also allows the battery to recharge quickly using widely available PD chargers\u2014ideal when traveling light or charging on location.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Additional Accessory Power Options<\/strong><\/h2>\n\n\n\n<p>To support a wide range of filmmaking accessories, the Rolux Grand III includes two dedicated DC outputs:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DC1:<\/strong> 12V \/ 3A<\/li>\n\n\n\n<li><strong>DC2:<\/strong> 8.4V \/ 3A<\/li>\n<\/ul>\n\n\n\n<p>These ports allow you to power monitors, converters, wireless receivers, or audio equipment directly from the battery, reducing clutter and improving rig efficiency.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Reliable Performance Across Challenging Conditions<\/strong><\/h2>\n\n\n\n<p>Designed for professional filmmaking environments, the battery operates reliably from <strong>\u201310\u00b0C to 60\u00b0C<\/strong>. Whether shooting in cold outdoor settings or under intense lighting conditions, the Grand III maintains stable performance, thanks to its high-quality Samsung 35E cells and robust internal protection circuitry.<\/p>\n\n\n\n<p>These components ensure consistent voltage output, safe charging, and long-term durability.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why the Rolux Grand III 250Wh Gold Mount Battery Stands Out<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Large 250Wh capacity for long-duration filming<\/li>\n\n\n\n<li>USB-C PD <strong>100W<\/strong> output for laptops and high-power mobile devices<\/li>\n\n\n\n<li>USB-C PD <strong>65W<\/strong> fast charging input<\/li>\n\n\n\n<li>Dual 15A camera outputs for power-hungry cinema systems<\/li>\n\n\n\n<li>Two DC accessory outputs for complete rig integration<\/li>\n\n\n\n<li>Dependable Samsung 35E lithium-ion cells<\/li>\n\n\n\n<li>Rugged design built for professional production environments<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>The <strong>Rolux Grand III 250Wh Gold Mount Battery (USB-C)<\/strong> is an excellent choice for filmmakers who need extended runtime, strong multi-device capability, and dependable performance on demanding shoots. With its combination of high capacity, PD fast charging, and professional I\/O, it ensures your entire production stays powered\u2014no matter the location or intensity of the work.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>For filmmakers who rely on long-lasting, high-output power solutions to support demanding cinema gear, the Rolux Grand III 250Wh Gold 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