{"product_id":"genasun-8a-mppt-12v-voltage-boost-for-lead-acid-waterproof","title":"Genasun 8A MPPT 12V Voltage Boost (Lead-Acid) - Waterproof Solar Charge Controller","description":"\u003ch2\u003eGenasun GVB-8-WP: Advanced MPPT Boost Solar Charge Controller for 12V Lead-Acid Batteries\u003c\/h2\u003e \u003ch3\u003eEngineered for Demanding Off-Grid and Mobile Applications\u003c\/h3\u003e \u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-WP\u003c\/strong\u003e is a high-performance \u003cstrong\u003eMPPT boost solar charge controller\u003c\/strong\u003e purpose-built for charging \u003cstrong\u003e12V lead-acid batteries\u003c\/strong\u003e from lower-voltage solar panels. Unlike conventional controllers that require panel voltage to exceed battery voltage, the GVB-8-WP’s unique \u003cstrong\u003evoltage boost technology\u003c\/strong\u003e steps up input from panels as low as 5V, enabling efficient charging even with small or partially shaded arrays. This makes it an ideal solution for \u003cstrong\u003emarine, RV, industrial, military, street lighting, and off-grid\u003c\/strong\u003e installations where space, weight, or panel configuration constraints exist.\u003c\/p\u003e \u003cp\u003eWith a \u003cstrong\u003epeak efficiency of 99%\u003c\/strong\u003e and typical operating efficiency of 95-97%, this controller minimises energy losses and maximises harvest from every watt of installed solar. Its \u003cstrong\u003etrue Maximum Power Point Tracking (MPPT)\u003c\/strong\u003e algorithm operates at 15 Hz, continuously adjusting to changing light conditions to deliver up to 30% more energy than PWM controllers. This is not a “nominal MPPT” approximation; it is genuine, fast-tracking MPPT that ensures your battery receives the full available power even under rapidly shifting cloud cover or partial shading.\u003c\/p\u003e \u003ch3\u003eRugged, Waterproof Design for Harsh Environments\u003c\/h3\u003e \u003cp\u003eEvery Genasun GVB-8-WP is fully encapsulated in a proprietary potting compound, achieving an \u003cstrong\u003eIP68 waterproof rating\u003c\/strong\u003e. This construction protects the advanced electronics from moisture, salt spray, dust, and vibration, making it suitable for \u003cstrong\u003emarine and coastal environments\u003c\/strong\u003e, vehicle underbody mounting, and exposed outdoor locations. The controller operates silently with no cooling fan, relying on its robust aluminium housing for passive heat dissipation across an ambient temperature range of -40°C to 85°C.\u003c\/p\u003e \u003cp\u003eInstallation is straightforward with pre-stripped \u003cstrong\u003e16 AWG tinned flying leads\u003c\/strong\u003e and an integrated \u003cstrong\u003ein-line fuse\u003c\/strong\u003e for overcurrent protection. The compact dimensions (140 x 81 x 55 mm) and light weight (290 g) allow flexible placement even in tight compartments. A multicolour LED provides at-a-glance status indication for charging, errors, and battery state.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eVoltage Boost MPPT:\u003c\/strong\u003e Charges 12V lead-acid batteries from solar panels with Vmp as low as 5V, enabling use of smaller, lower-cost panels or series-parallel configurations that would otherwise be incompatible.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003e99% Peak Efficiency:\u003c\/strong\u003e Industry-leading conversion efficiency reduces heat buildup and maximises energy delivery to the battery.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTrue 15 Hz MPPT Tracking:\u003c\/strong\u003e Rapid response to irradiance changes ensures optimal power point lock under dynamic conditions, outperforming slower or “nominal” MPPT implementations.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIP68 Waterproof \u0026amp; Potted Electronics:\u003c\/strong\u003e Fully sealed against water and dust ingress; corrosion-resistant for marine, coastal, and high-humidity installations.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMulti-Stage Charging with Temperature Compensation:\u003c\/strong\u003e Bulk, absorption, and float stages with automatic temperature-adjusted voltage setpoints protect battery health and extend service life.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUltra-Low Standby Consumption:\u003c\/strong\u003e Draws only 7 mA when idle, preserving battery charge during periods of darkness.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Operating Temperature Range:\u003c\/strong\u003e Reliable performance from -40°C to 85°C, with full power output up to 70°C ambient.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIntegrated In-Line Fuse:\u003c\/strong\u003e Simplifies wiring and provides essential overcurrent protection without additional components.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMade in USA:\u003c\/strong\u003e Manufactured to rigorous quality standards for long-term reliability in critical applications.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eApplications and Compatibility\u003c\/h3\u003e \u003cp\u003eThe GVB-8-WP is designed for \u003cstrong\u003e12V lead-acid battery systems\u003c\/strong\u003e, including flooded, AGM, and gel types. It is particularly effective in scenarios where the available solar panel voltage is lower than the battery voltage, such as:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eMarine and RV:\u003c\/strong\u003e Maintain house batteries from compact deck-mounted or flexible panels with low Vmp.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eStreet and Sign Lighting:\u003c\/strong\u003e Power 12V lighting systems from small solar arrays in remote locations.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndustrial and Military:\u003c\/strong\u003e Rugged, sealed construction meets demanding environmental and reliability standards.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOff-Grid Cabins and Sheds:\u003c\/strong\u003e Maximise energy harvest from limited panel space or suboptimal orientations.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eGolf Carts and Electric Vehicles:\u003c\/strong\u003e Trickle charge auxiliary 12V batteries from a dedicated solar panel.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eWith a maximum recommended panel power of 105 W and an input current limit of 8 A (short-circuit), the controller is optimised for panels with Vmp up to 13 V and Voc up to 50 V. The boost topology allows creative system designs, such as using a single high-current, low-voltage panel instead of multiple panels in series, reducing wiring complexity and shading losses.\u003c\/p\u003e \u003ch3\u003eWhy Choose Genasun Over Generic Controllers?\u003c\/h3\u003e \u003cp\u003eGeneric boost controllers often suffer from slow tracking speeds, lower efficiency, and limited environmental protection. The GVB-8-WP addresses these shortcomings with its \u003cstrong\u003e15 Hz MPPT sweep rate\u003c\/strong\u003e, \u003cstrong\u003e99% peak conversion efficiency\u003c\/strong\u003e, and \u003cstrong\u003efully potted IP68 enclosure\u003c\/strong\u003e. It eliminates the risk of controller failure due to condensation or splash exposure, a common failure mode in marine and outdoor installations. Additionally, the automatic temperature compensation prevents overcharging in hot climates and undercharging in cold conditions, directly contributing to longer battery life and reduced maintenance.\u003c\/p\u003e \u003ch3\u003eInstallation and Setup\u003c\/h3\u003e \u003cp\u003eNo programming or configuration is required. The controller automatically detects the panel and begins charging when sufficient sunlight is available. The flying lead connections are clearly labelled for battery and solar input, and the included in-line fuse holder accepts standard automotive blade fuses. For detailed wiring diagrams, refer to the product images or the manufacturer’s documentation.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eNote: This controller is intended for 12V lead-acid batteries only. For lithium or other battery chemistries, please see the Genasun GVB series lithium models.\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003ePower Your Off-Grid System with Confidence\u003c\/h3\u003e \u003cp\u003eEquip your installation with the \u003cstrong\u003eGenasun GVB-8-WP MPPT Boost Solar Charge Controller\u003c\/strong\u003e and experience the difference that precision engineering and robust construction make. Whether you’re maintaining a critical battery bank on a vessel or powering a remote monitoring station, this controller delivers dependable, efficient charging in a compact, waterproof package. \u003cstrong\u003eAdd to your system today and harness every watt from your solar array.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Genasun","offers":[{"title":"Default Title","offer_id":55056654893395,"sku":"GVB-8-Pb-12V-WP","price":133.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/genasun-gvb-8-wp-boost-controller-front-gvb-8-pb-12v-wp.png?v=1790335848","url":"https:\/\/progradewarehouse.com\/products\/genasun-8a-mppt-12v-voltage-boost-for-lead-acid-waterproof","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}