{"product_id":"foil-drive-fm-plus-650-battery","title":"Foil Drive FM+ 650 Battery","description":"\u003cdiv class=\"tfs-product-copy foil-drive-product\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eFM+ 650 Battery\u003c\/strong\u003e sits at the intersection of runtime, weight and cost and is the “go to” battery option for both Gen 2.5 Fusion and Assist 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, upwind\/downwind runs, wake riding, pumping, flatwater starts and light eFoiling. For \u003ca href=\"\/products\/foil-drive-assist-max-plus\"\u003eAssist MAX+\u003c\/a\u003e riders this is the highest-capacity battery, offering plenty of runtime for a full surf session. \u003ca href=\"\/products\/foil-drive-fusion\"\u003eFusion\u003c\/a\u003e riders simply add the \u003ca href=\"\/products\/foil-drive-fm-plus-battery-adaptor\"\u003eFM+ Battery Adaptor\u003c\/a\u003e for a lighter, more manoeuvrable setup.\u003c\/p\u003e\n\u003cp\u003eGen 2.5 battery technology lets you use the battery “deeper” into its cycle, with full power delivery down to around 10% before you notice the sag all batteries experience. A smart Bluetooth BMS sends accurate battery data to the V3 Controller and the Foil Drive App, where you can name each battery, track its health and view its state of charge. The one-piece moulded design combines battery and nose cone in one sealed unit, and internal thermal management keeps power consistent through the full discharge curve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCharging:\u003c\/strong\u003e requires the \u003ca href=\"\/products\/43v-standard-charger-12amp\"\u003e43V Standard Charger\u003c\/a\u003e (supplied with every Fusion and MAX+ system). Average charge time is about 85 minutes, with a Storage Mode for long-term battery health (store between 30 and 60% state of charge).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot compatible with the Gen 2 (40V) Assist MAX.\u003c\/strong\u003e The FM+ 430 battery is coming early 2027.\u003c\/p\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Capacity\u003c\/td\u003e\n\u003ctd\u003e648Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp Hours\u003c\/td\u003e\n\u003ctd\u003e15 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e43.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage\u003c\/td\u003e\n\u003ctd\u003e50.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Weight\u003c\/td\u003e\n\u003ctd\u003e3.95 kg \/ 8.70 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Dimensions\u003c\/td\u003e\n\u003ctd\u003eL460 x W125 x H55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstalled Length\u003c\/td\u003e\n\u003ctd\u003e540 mm with MAX+ | 658 mm with Fusion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNose Cone\u003c\/td\u003e\n\u003ctd\u003eNot required (integrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLithium-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Rating\u003c\/td\u003e\n\u003ctd\u003eIP68 \/ IP69 water and dust resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertified\u003c\/td\u003e\n\u003ctd\u003eUN38.3, CE, FCC, WEEE, RoHS, PSE, IP68, IP69\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eIndicative runtime\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eeFoil, intermediate*\u003c\/td\u003e\n\u003ctd\u003e~29 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eeFoil, advanced*\u003c\/td\u003e\n\u003ctd\u003e~48 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurf, intermediate**\u003c\/td\u003e\n\u003ctd\u003e~40–50 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurf, advanced**\u003c\/td\u003e\n\u003ctd\u003e~55–70 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eRuntime varies with skill, weight, gear and conditions; indicative guide only. *85 kg rider, 800cm² wing, 5'0 40L board, flat water, ~70% throttle. **Same rider and gear in 3ft swell with under 5 kts wind.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e FM+ 650 Battery, FM+ 650 Battery carry case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Foil Drive Assist MAX+, Foil Drive Fusion (with FM+ Battery Adaptor), 43V Standard Charger, Foil Drive Battery Caddy (with FM+ Battery Adaptor).\u003c\/p\u003e\n\u003cp\u003eAll Foil Drive batteries ship at less than 30% charge in line with shipping regulations. Charge before first use. This is a lithium battery (dangerous goods) and ships ground only.\u003c\/p\u003e\n\u003cp\u003eNeed help confirming compatibility? Contact The Foil Shop before ordering and we’ll help match the right Foil Drive part to your system, mast, battery, and riding goals.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Foil Drive","offers":[{"title":"Default Title","offer_id":67597305413920,"sku":"FD401","price":1349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/5078\/6848\/files\/fm-plus-650-battery-01-fusion-max-650-battery-new.png?v=1790703311","url":"https:\/\/foilshop.com\/products\/foil-drive-fm-plus-650-battery","provider":"The Foil Shop","version":"1.0","type":"link"}