{"product_id":"genasun-gvb-8-boost-mppt-solar-charge-controller-12v-lifepo","title":"Genasun GVB-8 Boost MPPT Solar Charge Controller – 12V LiFePO₄","description":"\u003ch2\u003e\u003cstrong\u003e8A voltage-boosting MPPT solar charge controller for 12V LiFePO₄ battery systems and low-voltage solar panels.\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGenasun GVB-8-Li-14.2V\u003c\/strong\u003e is a voltage-boosting (step-up) MPPT solar charge controller designed to charge a \u003cstrong\u003e12V (4S) LiFePO₄ battery\u003c\/strong\u003e from solar panels with a voltage lower than the battery charging voltage.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional MPPT controllers that reduce solar-panel voltage, the GVB-8 \u003cstrong\u003eboosts low panel voltage up to the voltage required to charge your battery\u003c\/strong\u003e. This makes it an ideal solution for specialty low-voltage solar panels such as the \u003ca href=\"https:\/\/www.custommarineproducts.store\/products\/36w-narrow-walkable-solar-panel\" title=\"36 Watt Walkable Semi Rigid Solar Panel - Sunpower A+ Grade 24.4% Efficient Cells\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eCMP 36W Walkable Semi-Rigid Solar Panel\u003c\/strong\u003e\u003c\/a\u003e, which has a Vmp of only 6.49V.\u003c\/p\u003e\n\u003cp\u003eMade in the USA, the GVB-8 combines high-speed MPPT tracking, advanced electronic protection, low self-consumption, and a compact design for reliable solar charging in marine, mobile, and other space-constrained applications.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e8A boost MPPT solar charge controller\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003e12V (4S) LiFePO₄ batteries\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e14.2V constant-voltage charge profile\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage-boosting (step-up)\u003c\/strong\u003e technology\u003c\/li\u003e\n\u003cli\u003eAccepts solar input as low as \u003cstrong\u003e5V for charging\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e99% peak efficiency\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eHigh-speed MPPT tracking at \u003cstrong\u003e15Hz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e95–97% typical electrical efficiency\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e105W recommended panel power\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdvanced electronic protections\u003c\/li\u003e\n\u003cli\u003eVery low \u003cstrong\u003e7mA standby consumption\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact, lightweight design\u003c\/li\u003e\n\u003cli\u003eNo fans or relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP40\u003c\/strong\u003e enclosure\u003c\/li\u003e\n\u003cli\u003eNickel-plated brass and stainless-steel hardware\u003c\/li\u003e\n\u003cli\u003eMade in the \u003cstrong\u003eUSA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e5-year warranty\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eUL\/CSA, CE, FCC and RoHS certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBoost Low Solar Panel Voltage to Charge Your 12V Battery\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMost solar charge controllers are designed to take a panel voltage that is higher than the battery voltage and convert it downward. \u003cbr\u003eThe GVB-8 works differently.\u003c\/p\u003e\n\u003cp\u003eIts \u003cstrong\u003eboost MPPT technology increases the voltage from a low-voltage solar panel to the appropriate charging voltage for your 12V LiFePO₄ battery\u003c\/strong\u003e. \u003cbr\u003eThis makes it particularly useful for specialty solar panels that cannot provide enough voltage to charge a 12V battery through a conventional buck-type MPPT controller.\u003c\/p\u003e\n\u003cp\u003eThe controller automatically tracks the panel's maximum power point while boosting the voltage to the required battery charging voltage.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDesigned for the CMP 36W Narrow Solar Panel\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-Li-14.2V is an excellent match for CMP's \u003cstrong\u003e36W Walkable Semi-Rigid Solar Panel\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe CMP panel's ultra-narrow \u003cstrong\u003e6\" × 58\"\u003c\/strong\u003e design allows it to fit into spaces where conventional solar panels cannot. However, its low operating voltage means it requires a boost-type MPPT controller.\u003c\/p\u003e\n\u003cp\u003eThe combination provides a compact solar solution for installations where both \u003cstrong\u003espace and panel voltage are limited\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended combination:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e36W CMP Low-Voltage Panel → Genasun GVB-8-Li-14.2V → 12V LiFePO₄ Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e[Shop the \u003ca href=\"https:\/\/www.custommarineproducts.store\/products\/36w-narrow-walkable-solar-panel\" title=\"36 Watt Walkable Semi Rigid Solar Panel - Sunpower A+ Grade 24.4% Efficient Cells\" rel=\"noopener\" target=\"_blank\"\u003eCMP 36W Walkable Semi-Rigid Solar Panel →\u003c\/a\u003e]\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHigh-Speed MPPT Tracking\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSolar conditions can change rapidly, particularly on boats and mobile installations where panels may experience moving shadows from rigging, antennas, trees, structures, or other objects.\u003c\/p\u003e\n\u003cp\u003eThe GVB-8 tracks the solar panel's maximum power point at \u003cstrong\u003e15 times per second (15Hz)\u003c\/strong\u003e, allowing it to quickly adapt to changing light conditions.\u003c\/p\u003e\n\u003cp\u003eThis helps the controller stay closer to the panel's available maximum power as sunlight conditions change.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEfficient Across a Wide Power Range\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8 is designed to maintain high conversion efficiency across a wide range of operating conditions.\u003c\/p\u003e\n\u003cp\u003eFor the 12V version, Genasun specifies \u003cstrong\u003e94% efficiency even when operating at only 10% of rated input\u003c\/strong\u003e, with typical electrical efficiency of \u003cstrong\u003e95–97%\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThat means the controller is designed to continue making useful power even when available solar energy is limited.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLithium-Specific Charging Profile\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-Li-14.2V uses a charging profile specifically configured for \u003cstrong\u003e12V (4S) LiFePO₄ batteries\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCharge Profile\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery chemistry:\u003c\/strong\u003e LiFePO₄\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery configuration:\u003c\/strong\u003e 12V (4S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge method:\u003c\/strong\u003e CC\/CV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCV voltage:\u003c\/strong\u003e 14.2V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery temperature compensation:\u003c\/strong\u003e Disabled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis model is intended specifically for 12V LiFePO₄ systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt for Marine and Mobile Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGenasun controllers have been used in demanding environments including marine applications and other remote installations.\u003c\/p\u003e\n\u003cp\u003eThe GVB-8 uses \u003cstrong\u003estainless steel and nickel-plated brass hardware\u003c\/strong\u003e and has no cooling fan or mechanical relay.\u003c\/p\u003e\n\u003cp\u003eWith no moving parts, there are fewer mechanical components to wear out over time.\u003c\/p\u003e\n\u003cp\u003eThe standard GVB-8 has an \u003cstrong\u003eIP40 enclosure\u003c\/strong\u003e. For installations where the controller will be exposed directly to water or the elements, a \u003cstrong\u003ewaterproof GVB-8 version is also available\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e[\u003ca href=\"https:\/\/www.custommarineproducts.store\/products\/genasun-gvb-8-wp-waterproof-boost-mppt-solar-charge-controller-12v-lifepo\" target=\"_blank\" title=\"Genasun GVB-8-WP Waterproof Boost MPPT Solar Charge Controller – 12V LiFePO₄\" rel=\"noopener\"\u003eView the Waterproof GVB-8 →\u003c\/a\u003e]\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt-In Protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8 includes advanced electronic protection designed to help protect the controller and connected system during abnormal operating conditions.\u003c\/p\u003e\n\u003cp\u003eThe controller also includes an LED indicator that provides a quick visual indication of installation and charging status.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLED Status Indicator\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe built-in LED makes it easy to check the controller's operating status.\u003c\/p\u003e\n\u003cp\u003eIt indicates whether the controller is properly installed, charging from solar power, and when the battery has reached full charge.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompact and Lightweight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8 provides boost MPPT functionality in a compact package:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.4\" × 2.4\" × 1.3\"\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 6.5 oz (185g)\u003c\/p\u003e\n\u003cp\u003eIts small footprint makes it suitable for installations where electrical compartment space is limited.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth align=\"right\"\u003eGVB-8-Li-14.2V\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e12V (4S) LiFePO₄\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Maximum Panel Power\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e105W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Panel Input Current\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e8A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Recommended Panel Vmp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e13V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Panel Input Voltage\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e60V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Maximum Panel Voc at STC\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e0–60V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Panel Voltage for Charging\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Panel Isc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e8A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Battery Voltage for Normal Operation\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e9.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDead Battery Recovery\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eYes — trickle charge from 0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge Profile\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eCC\/CV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge Voltage (CV)\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e14.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Temperature Compensation\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eDisabled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Efficiency\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e95–97% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Efficiency\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eUp to 99%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Consumption\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e7mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPPT Tracking Speed\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e15Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Ambient Temperature at Full Power\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4-position terminal block, 10–30 AWG wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e6.5 oz (185g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5.4\" × 2.4\" × 1.3\"\u003cbr\u003e\u003cspan\u003e(13.7 cm x 6.2 cm x 3.3 cm)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eIP40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eNickel-plated brass \u0026amp; stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eUL\/CSA, HazLoc C1D2, CE, FCC, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePanel Input Note: \u003cbr\u003e\u003c\/strong\u003eGenasun's current recommendation allows the GVB-8 to be used with solar panels having \u003cstrong\u003eImp up to 9A\u003c\/strong\u003e, provided all other panel input limits—including maximum Isc, maximum input voltage, and maximum recommended panel power—are respected.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe GVB-8-Li-14.2V is designed for \u003cstrong\u003e12V (4S) LiFePO₄ battery systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBefore installation, verify that:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe battery is a compatible 12V LiFePO₄ system.\u003c\/li\u003e\n\u003cli\u003eThe solar panel's voltage and current are within the controller's input specifications.\u003c\/li\u003e\n\u003cli\u003eThe panel configuration does not exceed the controller's voltage, current, or power limits.\u003c\/li\u003e\n\u003cli\u003eProper wire sizing, fusing, and installation practices are followed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDo not use this model for lead-acid, 24V, 36V, 48V, or other battery configurations.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e❔ Why does the CMP 36W solar panel need a boost MPPT controller? \u003cbr\u003e\u003c\/strong\u003eThe CMP 36W panel has a \u003cstrong\u003eVmp of only 6.49V\u003c\/strong\u003e. A 12V LiFePO₄ battery requires a charging voltage around 14V. A conventional buck-type MPPT controller cannot increase the panel voltage to the battery charging voltage.\u003c\/p\u003e\n\u003cp\u003eThe GVB-8 uses \u003cstrong\u003eboost (step-up) MPPT technology\u003c\/strong\u003e to increase the panel voltage while tracking its maximum power point.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e❔ Is the GVB-8-Li-14.2V compatible with a 12V LiFePO₄ battery? \u003cbr\u003e\u003c\/strong\u003eYes. This specific model is configured for \u003cstrong\u003e12V (4S) LiFePO₄ batteries\u003c\/strong\u003e with a \u003cstrong\u003e14.2V CC\/CV charging profile\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e❔ Can I use this controller with a regular 12V solar panel? \u003cbr\u003e\u003c\/strong\u003eThe GVB-8 is a \u003cstrong\u003eboost\u003c\/strong\u003e controller intended for applications where the panel voltage is lower than the required battery charging voltage. It is not necessary for typical 12V-nominal solar panels that already provide sufficient voltage for a conventional MPPT controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e❔ Is this GVB-8 waterproof? \u003cbr\u003e\u003c\/strong\u003eThe standard GVB-8 has an \u003cstrong\u003eIP40 enclosure\u003c\/strong\u003e. A separate \u003ca href=\"https:\/\/www.custommarineproducts.store\/products\/genasun-gvb-8-wp-waterproof-boost-mppt-solar-charge-controller-12v-lifepo\" target=\"_blank\" title=\"Genasun GVB-8-WP Waterproof Boost MPPT Solar Charge Controller – 12V LiFePO₄\" rel=\"noopener\"\u003e\u003cstrong\u003ewaterproof IP68 GVB-8-WP\u003c\/strong\u003e\u003c\/a\u003e version is availabl\u003cspan\u003ee for installations requiring greater environmental protection.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Custom Marine Products","offers":[{"title":"Default Title","offer_id":53006239400248,"sku":"GVB-8-Li-14.2V","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/8466\/2328\/files\/GVB-8-Li-14.2V-001b.jpg?v=1790051672","url":"https:\/\/www.custommarineproducts.store\/products\/genasun-gvb-8-boost-mppt-solar-charge-controller-12v-lifepo","provider":"Custom Marine Products","version":"1.0","type":"link"}