{"product_id":"foil-drive-battery-gen-2-5-43-volt","title":"Foil Drive - Battery - Assist MAX+ 650 (Gen2.5  43V )","description":"\u003cdiv class=\"product__description rte quick-add-hidden\"\u003e\n\u003cdiv class=\"product__description-wrapper\"\u003e\n\u003cdiv class=\"accordion__content\" id=\"ProductAccordion-collapsible_tab_8GRWxH-template--21822224040109__main\"\u003e\n\u003cdiv class=\"accordion__content-inner\"\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cdiv class=\"accordion__content\" id=\"ProductAccordion-collapsible_tab_g6ApfV-template--21822224040109__main\"\u003e\n\u003cdiv class=\"accordion__content-inner\"\u003e\n\u003cdiv class=\"product__description rte quick-add-hidden\"\u003e\n\u003cdiv class=\"product__description-wrapper\"\u003e\n\u003cdiv class=\"accordion__content\" id=\"ProductAccordion-collapsible_tab_8GRWxH-template--21822224040109__main\"\u003e\n\u003cdiv class=\"accordion__content-inner\"\u003e\n\u003cdiv class=\"metafield-rich_text_field\" style=\"text-align: left;\"\u003e\n\u003cdiv class=\"summary__title active\"\u003e\n\u003cdiv class=\"accordion__title\"\u003e\n\u003ch4 class=\"ai-product-launch-title-azdjtenmzsitivtl2oaigenblock854de5ckyexm\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eINTRODUCING THE NEW Gen2.5 ASSIST MAX+ 650\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv class=\"ai-product-launch-description-azdjtenmzsitivtl2oaigenblock854de5ckyexm\"\u003eThe all-rounder just got better! The MAX has been re-invented adopting the best parts of the Fusion, into the same size unit as the MAX. Don’t let the size fool you, Foildrive has packed 20% more power and a tone of extra features into the new Gen 2.5 MAX+650. More power, more runtime, same lightweight feel.\u003c\/div\u003e\n\u003cul\u003e\n\u003cli class=\"ai-product-launch-description-azdjtenmzsitivtl2oaigenblock854de5ckyexm\"\u003eGen2.5 Architecture\u003c\/li\u003e\n\u003cli class=\"ai-product-launch-description-azdjtenmzsitivtl2oaigenblock854de5ckyexm\"\u003e20% More Power \u0026amp; Thrust than the MAX hi power.\u003c\/li\u003e\n\u003cli class=\"ai-product-launch-description-azdjtenmzsitivtl2oaigenblock854de5ckyexm\"\u003e2 Battery Options with longer runtime\u003c\/li\u003e\n\u003cli class=\"ai-product-launch-description-azdjtenmzsitivtl2oaigenblock854de5ckyexm\"\u003e“Mini Fusion” in the form factor of a MAX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe new \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGen 2.5 MAX+\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e takes everything riders loved about the MAX and combines it with the latest technology developed for the Fusion — delivering \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emore power, longer runtime and greater versatility without sacrificing the lightweight feel of an Assist system\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eAnd there's another advantage: because the FM+650 works with both MAX+ and Fusion, you aren't locking yourself into one system. \u003cbr\u003eYou could start with MAX+ 650 and later move to Fusion while retaining the battery.\u003c\/p\u003e\n\u003ch4 style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003eKey Product Innovations (Gen2.5 Architecture)\u003c\/b\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e43V Voltage Shift:\u003c\/b\u003e Gen2.5 moves to a 43V system (up from 40V), providing limits on voltage drop, longer-lasting power throughout sessions, and 20–27% more power\/thrust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAssist MAX+ 650 (NEW):\u003c\/b\u003e The new \"all-rounder\" unit replacing the original Assist MAX. It acts as a \"Mini Fusion\" in the MAX form factor, offering 20% more power\/thrust than the original MAX.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross-Compatible FM+ Battery Ecosystem:\u003c\/b\u003e Smart, tool-less battery ecosystem fitting both the MAX+ and Fusion units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFree Fusion Power Upgrade:\u003c\/b\u003e Current and new Fusion owners receive a 10% thrust increase and higher boost time via a free app update.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eGen2.5 Architecture Features:\u003c\/b\u003e IP69 battery waterproofing, integrated smart BMS (operable via app), Foil Drive M7 split bolts for quicker installation, an optional tilt sensor, and an included 43V 12A fast charger.\u003c\/p\u003e\n\u003ch4 style=\"text-align: center;\"\u003e\u003cb\u003e \u003cspan style=\"text-decoration: underline;\"\u003eUnit Line-Up Comparison\u003c\/span\u003e\u003c\/b\u003e\u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"width: 99.827883%;\" height=\"332\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 32.718894%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eF\u003cspan style=\"text-decoration: underline;\"\u003eusion \u003cbr\u003e(Gen2.5 | 43V):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"text-decoration: underline;\"\u003e \u003c\/span\u003e\u003cbr\u003eHybrid e-foil system built for heavy riders, small boards, and max power\/runtime. (Weight: 5.78kg – 8.08kg installed).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 29.723502%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eA\u003cspan style=\"text-decoration: underline;\"\u003essist MAX+ 650\u003cbr\u003e(Gen2.5 | 43V - NEW):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"text-decoration: underline;\"\u003e \u003c\/span\u003e\u003cbr\u003eFoil assist all-rounder built for high power with minimal compromise on ride feel. \u003cbr\u003e(Weight: 5.33kg – 6.71kg installed).\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 35.714286%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eA\u003cspan style=\"text-decoration: underline;\"\u003essist Slim \u003cbr\u003e(Gen2 | 40V):\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"text-decoration: underline;\"\u003e \u003c\/span\u003e\u003cbr\u003eSpecialized for light, short power bursts to preserve a natural ride feel. \u003cbr\u003e\u003ci\u003e(Note: Bringing Slim to 2.5 architecture is planned for the future, but paused due to supply limitations).\u003c\/i\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003eAssist MAX+ (Gen2.5 | 43V - NEW):\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"\"\u003eThe FM+ 650 Battery sits at the intersection of runtime, weight and cost and is your “go to” battery option for both Gen2.5 Fusion and MAX+ units.\u003c\/p\u003e\n\u003cp\u003eWith 648Wh of capacity, Foil Drive’s 43V architecture unlocks powerful, consistent thrust, and endurance for extended surf sessions and upwind downwind runs to wake riding, pumping, flatwater starts and light eFoiling.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eEngineered to work across both the Fusion and the MAX + units, gives riders the flexibility to move one battery between two very different setups.\u003c\/p\u003e\n\u003cp class=\"\"\u003eFor MAX+ riders, this is your highest capacity battery, offering plenty of runtime for a full surf session. Fusion riders simply add the FM+ Battery Adaptor for lighter, more maneuverable alternative.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"summary__title active\"\u003e\n\u003cdiv class=\"accordion__title\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDetails of Gen2.5 Battery Technology \u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"accordion__content\" id=\"ProductAccordion-collapsible_tab_8GRWxH-template--21822224040109__main\"\u003e\n\u003cdiv class=\"accordion__content-inner\"\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eGen2.5 Battery Technology \u003c\/strong\u003e\u003c\/span\u003eallows the rider to utilize the battery for longer. The battery is able to perform “deeper” into the cycle, meaning on water you’ll be able to enjoy the full power delivery right down to ~10% battery before you begin to notice the “sag” that all batteries experience.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eCharging \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eThe FM+650 Battery requires 43V Charger (Provided with your Fusion or MAX+ System) to charge. Averaging 85 minute charge time with an industry first Storage Mode that allows you to limit charging to then store your batteries for long-term battery health. We recommend storing you battery between 30 and 60% State of Charge (SoC).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eIntelligent Bluetooth Module (BMS)\u003c\/span\u003e \u003c\/strong\u003eprovides accurate battery data to the V3 Controller, giving clear percentage and status readouts. The Battery also connects to the Foil Drive App where you can name each battery, track its health and view it's battery State of Charge (SoC). Check the surf camera and your battery charge without lifting a finger!\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOne-piece molded design \u003c\/strong\u003e\u003c\/span\u003ecombines the battery and nose cone as a unified sealed unit.\u003cbr\u003eThe integrated one-piece molded design combines the battery and nose cone as a unified sealed unit, improving water flow, and durability, all while balancing weight directly over the foil’s center of lift.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInternal thermal management\u003c\/span\u003e \u003c\/strong\u003ekeeps temperature stable and maintains consistent power through the full discharge curve, ensuring smooth thrust delivery from start to finish.\u003c\/p\u003e\n\u003cdiv class=\"summary__title active\"\u003e\n\u003cdiv class=\"accordion__title\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eTech Spec\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"accordion__content\" id=\"ProductAccordion-collapsible_tab_g6ApfV-template--21822224040109__main\"\u003e\n\u003cdiv class=\"accordion__content-inner\"\u003e\n\u003cdiv class=\"metafield-rich_text_field\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Capacity (Watt Hours):\u003c\/strong\u003e 648Wh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp Hours:\u003c\/strong\u003e 15 Ah\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e 43.2 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Voltage: \u003c\/strong\u003e50.4 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Weight:\u003c\/strong\u003e 3.95 kg \/ 8.70 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions of Battery: \u003c\/strong\u003eL460 × W125 × H55 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions Installed:  \u003c\/strong\u003eL540 x W125 x H55mm (Installed with MAX+) | 658x125x55mm (Installed with Fusion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNose Cone:\u003c\/strong\u003e Not Required - Integrated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type: \u003c\/strong\u003eLithium-Ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Rating:\u003c\/strong\u003e IP69 +IP69 Water and Dust Resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified:\u003c\/strong\u003e UN38.3, CE, FCC, WEEE, RoHS, PSE, IP68, IP69\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eProper care is essential for battery longevity, please see your Battery and Charger user manuals for more.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*E-Foil Runtime Intermediate: ~\u003c\/strong\u003e31 mins\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*E-Foil Runtime Advanced: ~\u003c\/strong\u003e52 mins\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**Surf Runtime Intermediate: ~40-50 mins\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e**Surf Runtime Advanced: \u003c\/strong\u003e \u003cstrong\u003e~\u003c\/strong\u003e55-70 mins\u003c\/p\u003e\n\u003cp\u003eRuntime is highly variable depending on skill, weight, gear sizing and weather conditions. This is an indicative guide only based on real life averages.\u003c\/p\u003e\n\u003cp\u003e*Based on rider weight 80kg, with wing size of 800cm2, 5'0 40L board in flat water conditions. Throttle at ~70%.Intermediate rider has many touch downs and multiple falls\/restarts. Advanced rider has no touch downs and no falls.\u003c\/p\u003e\n\u003cp\u003e**Based on rider weight 80kg, with wing size of 800cm2, 5'0 40L board in 3ft swell, with less than 5kts wind. Intermediate rider has high motor reliance and is not pumping between waves, with many falls\/restarts. Advanced rider has medium motor reliance and will link some waves by pumping, with minimal falls\/restarts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4 dir=\"ltr\" style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/groundswell.co.nz\/blogs\/news\/foil-drive-introducing-the-new-gen2-5-assist-max\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan\u003eFor full details of the new system \u0026amp; how it suits Canterbury conditions click here...\u003c\/span\u003e\u003c\/a\u003e\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Foil Drive","offers":[{"title":"Default Title","offer_id":48896907280541,"sku":"100\/188\/234\/128-1","price":2189.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0476\/5689\/4621\/files\/FD401-Fusion-MAX_-650-Battery_jpg.webp?v=1789034748","url":"https:\/\/groundswell.co.nz\/products\/foil-drive-battery-gen-2-5-43-volt","provider":"Groundswell","version":"1.0","type":"link"}