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Foil Drive Assist MAX+ NZ | 43V Gen2.5 Electric Foil Assist System – Underground Surf

Foil Drive
  • $6,459.00 NZD
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Foil Drive Assist MAX+ – 43V High-Power Foil Assist System

More Power. More Runtime. Still Feels Like a Foil.

The new Foil Drive Assist MAX+ is the all-rounder of the Gen2.5 range, built for riders who want serious power and runtime without giving away the light, responsive feel that made the original MAX so popular.

Running on Foil Drive’s new 43.2V architecture and paired with the FM+ 650 Battery, the MAX+ delivers up to 35.5kg of thrust, 2150W peak power and plenty of range for long surf sessions, downwind runs, wake chasing, flatwater starts and light eFoiling.

For NZ riders wanting one Foil Drive system that can cover almost everything, the MAX+ sits right in the sweet spot.

Why Choose the Assist MAX+?

The MAX+ is designed to give you more time on foil, more confidence getting started and more power when conditions are marginal.

It is especially suited to:

  • Longer surf sessions with higher wave counts

  • Motoring upwind before a downwind run

  • Faster and easier flatwater take-offs

  • Pumping practice without repeated tow or surf starts

  • Chasing boat wake

  • Faster recovery after falls

  • Smaller boards and foils where extra thrust helps

  • Riders wanting more progression across a wider range of conditions

Foil Drive recommends the MAX+ for all rider types and abilities under 100kg using small to mid-length boards, as well as advanced riders wanting to save weight without compromising heavily on power.

New 43V Architecture

The MAX+ moves onto Foil Drive’s 43V Gen2.5 platform, delivering more power and runtime while retaining a compact, balanced package.

Paired with the FM+ 650 Battery, you get:

  • 648Wh battery capacity

  • 35.5kg maximum thrust

  • 2150W peak power

  • 1750W sustained power

  • 2.88hp peak output

  • 2.35hp sustained output

The complete integrated setup starts from 6.71kg, including the battery, integrated HP motor and three-blade prop setup.

V3 Controller Included

The MAX+ comes standard with the latest Foil Drive V3 Controller, giving you a brighter display and the latest Foil Drive control platform.

The system also connects to the Foil Drive App on both iOS and Android.

Designed for Real Foiling

From tiny bumps through to proper surf, the MAX+ is built to make more sessions possible.

Surf, light-wind winging, downwind, wake, flatwater or light eFoiling — the MAX+ gives you the freedom to add electric assist to the foil gear you actually want to ride rather than locking you into a traditional efoil setup.

That is why we see this as a particularly strong option for NZ riders wanting one highly adaptable system.

Tech Specs

  • System Voltage: 43.2V

  • Battery Capacity: 648Wh

  • Maximum Thrust: 35.5kg

  • Minimum Installed Weight: 6.71kg

  • Dimensions with Battery: 540 × 125 × 55mm

  • Peak Power / Boost: 2150W

  • Sustained Power: 1750W

  • Peak Horsepower: 2.88hp

  • Sustained Horsepower: 2.35hp

  • App: Foil Drive App – Android & iOS

  • Water Rating: IP68 water and dust resistance

Installed weight is based on the unit, FM+ battery, Integrated HP Motor, Three-Blade Hub and props. A retrofit installation using the Mini Pod at 20cm adds approximately 360g.

What's Included

  • Foil Drive Assist MAX+

  • FM+ 650 Battery

  • Your chosen motor option

  • Your chosen AC lead

  • V3 Controller with Bump Guard installed

  • 43V Standard Charger – 12A

  • 4 × Titanium T40 M7 Split Bolts

Controller Accessories

  • USB-C Charge Pad and Cable

  • Alternative Bump Guard

  • Wrist Leash

  • 1.5mm Allen Key

Tools & Hardware

  • T40 Driver

  • T30 Driver

  • 2.5mm Black Titanium Driver

  • Pick Tool

  • 2 × 15g Battery Grease

  • 2 × Nose Cone Rocker Pads

  • 3 × M4 10mm Titanium Motor Plug Bolts

  • Anode Replacement Kit

  • Replacement Electronics Box O-Ring

  • Replacement Motor Cable O-Rings

  • Microfibre Towel

Also Included

  • 2 × Mast Foam Track Guides

  • Tool Caddy inside the MAX+

  • Sticker Pack

  • User Manuals

Compatibility

Compatible With

  • FM+ 650 Battery

  • 43V Foil Drive Chargers

?? Important: Existing Gen2 batteries are NOT compatible with the Assist MAX+.

Need Help Choosing?

Not sure whether the MAX+, Fusion or another Foil Drive system is right for you?

Talk to Underground Surf and we can help match the system, battery, motor position, board and foil to your weight and riding style.

Available from Underground Surf NZ with demos, setup advice, after-sales support and NZ-wide shipping.


Foil Drive NZ – Hybrid Electric Foil Assist & Fusion Systems

Ride Any Board, Any Foil, Any Way

Foil Drive is the world’s leading hybrid electric foil system, making foiling easier, more accessible, and way more fun. Whether you’re into surf foiling, winging, bumps, downwinders, wake or flatwater cruising, Foil Drive gives you the boost you need to get flying faster, stay up longer, and ride in more conditions across Aotearoa.

Book in a FREE Expert Consultaion to help you get the right gear.

Please not packages are a guide.  We will always call and confirm you have the right items for any package purchased from us for Foil Drive.

Shop Packages

Now Stocking the New Foil Drive Fusion (Gen 2.5)

The brand-new Foil Drive Fusion has landed — a true hybrid system combining efoil power + Assist lightness in one sleek package.

Fusion delivers:

  • More power (43V architecture)

  • More runtime (864Wh Fusion 860 Battery)

  • Smarter tech (V3 Controller with GPS + Tilt Sensor)

  • Better cooling & durability

  • Full Gen2 compatibility

It’s the perfect all-round system for riders who want an adaptable efoil alternative and a powerful Foil Assist for surf, wing, bumps and downwind.

Gen2 Assist MAX & Slim Kits Also Available

We also stock the full Gen2 Assist MAX and Assist Slim range — lightweight, powerful, modular systems designed by foilers, for foilers. Browse batteries, chargers, motors, upgrades, pods, accessories and all replacement parts.

Plus, we carry the Armstrong Foils Mini Pod Integrated Mast and full mounting options for every major foil brand.

Official Foil Drive Dealer & Foil Drive School – NZ

As New Zealand’s official Foil Drive dealer and Foil Drive School, we offer:

  • Demos

  • Rentals

  • 1-on-1 lessons

  • Custom builds

  • Setup advice

  • Full after-sales support

Perfect if you want to try before you buy or dial in the perfect setup for NZ conditions.

Shop Online or In-Store (Orewa, Auckland)

Order Foil Drive Fusion, Assist MAX, Slim kits, batteries, chargers, motors, masts and accessories online — or come visit our Underground Surf store in Orewa. We’ve got local stock, NZ-wide shipping, and real support from real foilers.

We’ll help you take your foiling to the next level.



 

 

All orders will be shipped from Underground Skate Limited - 306 Hibiscus Coast Highway, Orewa, 0931

If you have any questions about shipping, then please email us on info@undergroundsurf.co.nz 9am - 3.30pm Weekdays or use our website chat feature and we'll be happy to help you out.  

All items are packaged with extreme care, under CCTV surveillance. As freight is handled by third parties, we advise you to thoroughly inspect your Good(s) for damage in transit.

Parcels are not collected on weekends, so orders received after 1pm Friday will be shipped the following Monday otherwise 'click and collect' is available from our store. (Please confirm your order is ready before driving to the store.)

 

NEW ZEALAND:

CLICK & COLLECT is of course free from our store, just select this option at the checkout and you can collect during our stores opening hours.

For smaller items:

  • $10 – NZ WIDE VIA ARAMEX (Non Rural) 
  • $15 - NZ WIDE VIA ARAMEX (Rural)
  • $25 – NORTH ISLAND VIA NZ POST EXPRESS – excludes bulky* items.
  • $50 - SOUTH ISLAND VIA NZ POST EXPRESS – excludes bulky* items.

Address Checker - Please check your address to avoid delays if you select non rural and you are rural https://www.addresscheck.co.nz

We use a standard Aramex Courier service to ship your goods nationwide, this is a non-signature service. We suggest under “Shipping Instructions” you leave a note as to where the courier should leave your parcel if you are not there on the day of delivery.

NZ POST EXPRESS – non-signature service, tracking will be sent directly from NZ Post when your order is booked with this service. Cut Off – 3.30pm Weekdays.  We are unable to send bulky items via NZ Post.

You will receive an invoice and tracking number in an e-mail once your order is dispatched from Underground in Orewa Auckland. Once the order has been collected by our courier, your tracking number will be live.

*BULKY ITEMS – excludes all Complete Skateboards, Wide Brim Straw Hats, Surfboards, all Paddle Boards, all Board Bags, SUP Paddles, SUP Carts, Body Boards.

 

For Surfboards, Sups and larger items:

  • $49.99 NZ WIDE – Surfboards & Foil Boards
  • $99.99 NZ WIDE – Sups

Please note:

  • Boards 7'2 and under will be delivered using Aramex Couriers, we advise getting it shipped to your closest Aramex depot where possible. You can check out the depots here - https://www.aramex.co.nz/contact-us/aramex-depot/
  • Boards 7'4 and larger will be delivered to the nearest Titus Transport Depot or Depot Partner for you to collect. They have depots in most main centres throughout New Zealand. Or we can have them delivered direct to your door at your cost and can provide a shipping quote upon request.  

For Shipping Costs on Surfboards, Foils & Sups direct to your own address please contact us via our Chat Feature or emails us on info@undergroundsurf.co.nz and we'll be happy to help you out.

Unfortunately, we are unable to deliver any large items such as Surfboards or SUPs to rural areas.

SURFBOARDS, SUPS and FOILS – please do not sign for your package if the packaging is damaged in anyway as Underground Surf will not be liable or any damages that are signed for and accepted on delivery.   

All boards are packaged under CTV surveillance and are marked as Fragile with a “Do not sign for if Damaged” A4 note.

If you have any questions, please contact us via our Chat Feature or email us on info@undergroundsurf.co.nz and we'll be happy to help you out.

AUSTRALIA:

  • FREE SHIPPING on Orders over $200.00 – excludes bulky* items.
  • $29.99 on Orders under $200.00 – excludes bulky* items.

*BULKY ITEMS – excludes all Complete Skateboards, Wide Brim Straw Hats, Surfboards, all Paddle Boards, all Board Bags, SUP Paddles, SUP Carts, Body Boards.

We use a standard Aramex Courier service to ship your goods Australian wide, this is a non-signature service. We suggest under “Shipping Instructions” you leave a note as to where the courier should leave your parcel if you are not there on the day of delivery.

You will receive shipping notifications directly from Aramex once your parcel as been booked for collection.

All prices below and on our website are in New Zealand Dollars.  To view the exchange rate - https://www.xe.com/currencyconverter/convert/?Amount=1&From=NZD&To=AUD 

If you have any questions, please contact us via our Chat Feature or email us on info@undergroundskate.co.nz and we'll be happy to help you out.

 

REST OF THE WORLD:

At this stage we only ship internationally to Australia, but we can look into sending our products all over the world for you just email us on info@undergroundsurf.co.nz and we'll happily give you a quote. 

 

CUSTOMS AND DUTY CHARGES:

If you are purchasing Internationally then we recommend that you review the following resource to assist you in calculating the charges you may be subject to upon arrival of your parcel to your country/local area: dutycalculator.com

International orders may be subject to local charges. Any customs or import duties and associated fees are charged once the parcel reaches its destination country. These charges must be paid by the recipient of the parcel. We have no control over these charges and cannot predict what they may be.

Underground Surf cannot be held responsible for any additional charges on your order, nor can we accept a return of the order in this case.

Customs policies vary widely from country to country, so please contact your local customs office for further information. If you refuse to pay these charges your parcel may be abandoned, and Underground Surf will not be held responsible for any loss of funds as a result of this occurrence. We cannot mark International orders as a gift in order to bypass or reduce any customs fees. This is an illegal practice and as an established business we will not do this.

 

TERMS & CONDITIONS

  • If you are returning a Free Freight item for a Cash Refund, we will not refund our freight cost, which is a minimum of $10 or what you were charged.  Even if you qualified for free freight.
  • We will not accept any claim for damage on any Surfboards or Sups after they have been signed for by the customer.  Inspect before signing.
  • We will not refund on any finance sale this includes AfterPay and Q Card.  We will only allow exchange or credit unless there is a mistake at our end in shipping or stock holding. 
  • Should you select an item that is marked as 'Pre-Order’ and pay using Afterpay a 5% cancellation fee will apply that covers our costs if you cancel this because you did not read it correctly.  
  • By selecting any item that is marked as 'Pre-Order’ you allow a grace period of 14 days from the original date before we will offer a refund.
  • We will not accept returns of any sort from any international order.
  • We will cover the cost of return freight from our store to you on one exchange for size.  Any further exchange in size will be charged at freight cost + $10 handling fee.  We will not offer a refund after an exchange of size has taken place. This Excludes Surf / Sup boards, surf bags and international orders.
  • Should there be a miss-pick, the wrong item sent, the item is faulty, or the description/image is significantly wrong we will cover freight costs both ways or provide a refund.
  • Any item returned to us without swing tags, with pricing removed, or not 100% as it was shipped out to you will have a restocking fee of 10-30% depending on how that item is returned.  This will be at our discretion.
  • We will not accept returns for any 'In Warehouse' customer orders. This stock would have been brought in at a significant cost to meet your order.
  • We will not be responsible for any change of address that takes place after the order is processed.  We will provide you the tracking details to contact the courier and arrange this.
  • We will not be responsible for the loss of any parcel where there is a shipping request to leave in a place, doorstep etc.  Once the courier says it is delivered any claim for anything missing item will be between yourself and the courier company. We will offer assistance where possible.
  • We will not issue any refund in the event of a delayed courier unless we are informed that it must be to you by a certain date and time.  We cannot be responsible for lack or planning on your behalf.  
  • We will provide courier details and tracking information upon sending the order.  This is your responsibility to track this and ensure it comes.  We are happy to assist but you must email us the order number.
  • Any special courier charges such as Saturday delivery or Rural delivery excess will not be refunded under any circumstances.
  • Returns will ONLY be accepted via our online portal.  Any damage or loss of any returned item is at your risk.  We strongly advise having it tracked and signed for.
  • Sale or Combo surfboards and sups will incur extra freight charges that match our cost prices for this.  We will make contact with you.  Items over 7'4 in length can only be sent to local main centre depots.  We cannot send these to Rural Delivery addresses.  Home addresses will incur a surcharge.

 

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