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Call us at 1(800)574-4020 every day 9-5 PST.

Foil Drive Assist FM+ Battery Adaptor for Max+

$99.00
210000056880

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Foil Drive • FD330 • FM+ Battery Compatibility

Foil Drive FM+ Battery Adaptor for Fusion

Use an FM+ 650 battery with your Foil Drive Fusion unit.

FM+ batteries are shorter than the Fusion 860 battery. The FD330 adaptor extends an FM+ battery so it fits securely in the longer Foil Drive Fusion unit. Integrated Quick Lock tabs make the connection tool-free, with no separate installation hardware required.

Use it with an FM+ 650 battery in Fusion. The same battery fits an Assist MAX+ directly, so you do not need this adaptor for MAX+. Check your Fusion kit before ordering: it may already include one.

  • For Foil Drive Fusion
  • For FM+ Batteries
  • FD330
  • Quick Lock • 100 g
  • Not Needed for MAX+

When Do You Need This Adaptor?

FM+ 650 in Fusion

The adaptor adds the length needed to secure the shorter FM+ 650 battery in the Fusion unit.

Quick Lock Connection

Integrated tabs let the adaptor click into place and come off without tools or separate mounting hardware.

Check Your Fusion Kit

Fusion kits supplied after the FM+ battery release may already include this part. Check your kit contents before ordering another.

FM+ Battery Flexibility

Move an FM+ 650 battery between MAX+ and Fusion: it fits MAX+ directly and requires this adaptor in Fusion.

What’s Included — and What You Still Need

  • One Foil Drive FM+ Battery Adaptor (FD330)
Adaptor only. An FM+ battery and Foil Drive Fusion unit are not included. An Assist MAX+ does not require this adaptor to use an FM+ 650 battery.
Before ordering: Check your Fusion kit for an existing adaptor and confirm that your battery is an FM+ model. This part does not make an older Gen2 MAX battery compatible with Fusion or Assist MAX+.

Key Specifications

Specification FM+ Battery Adaptor
Product type Battery adaptor
Foil Drive code FD330
Intended system Foil Drive Fusion
Battery use FM+ 650 in Fusion; FM+ 430 when available
Connection Tool-free Quick Lock tabs; no separate installation hardware
Product weight 100 g (approximately 3.5 oz)
Needed for Assist MAX+? No. FM+ 650 fits MAX+ directly.
Battery included? No

Battery and System Compatibility

  • Fusion + FM+ 650: Use the FM+ Battery Adaptor when fitting this battery to Fusion.
  • Fusion + FM+ 430: The adaptor is designed for this battery too, when the FM+ 430 becomes available.
  • Assist MAX+ + FM+ 650: Direct fit; no adaptor required.
  • Fusion + Fusion 860: The Fusion 860 battery is designed for Fusion and does not need this FM+ adaptor.
  • Gen2 MAX batteries: This adaptor does not make older 40V Gen2 batteries compatible with Fusion or MAX+.
Not sure which battery you have? Send Windance a photo of its label and the model of your Foil Drive unit so we can check the combination before you order.

Frequently Asked Questions

Do I need this adaptor for Assist MAX+?

No. The FM+ 650 battery fits the Assist MAX+ directly.

When do I need it for Fusion?

You need the FM+ Battery Adaptor to fit an FM+ 650 battery in Fusion. Fusion kits supplied after the FM+ battery release may already include one; check your kit before buying another.

Do I need tools to fit it?

No. The adaptor uses integrated Quick Lock tabs and does not require separate installation hardware.

Is an FM+ 650 battery included?

No. This product is the FD330 adaptor only; the battery is purchased separately.

Can it adapt my Gen2 MAX battery?

No. This adaptor is for fitting an FM+ battery to Fusion. It does not change battery voltage or make Gen2 batteries compatible with Gen2.5 units.

Need Help Checking Your Battery?

Tell us whether you have a Fusion or Assist MAX+ and which FM+ battery you plan to use. We’ll help check the fit and confirm whether you need this adaptor. Email Windance or call 1-800-574-4020.