2026 Duotone Battery set 7A
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Duotone Foil Assist Battery 7Ah — Set of 2
Keep the sessions going. The Duotone Foil Assist Battery 7Ah Set gives you everything you need to power up and get on the water — twice over. Engineered specifically for the Duotone Foil Assist system, these LiHV (lithium high-voltage) batteries are built for performance, convenience, and travel.
Fly with your foil gear. Each battery is rated at 159.6 Wh — just under the 160 Wh threshold for airline carry-on — so you can pack your Foil Assist and chase sessions around the world without the headache of freight shipping or gear rentals.
Note that two batteries must be connected to power the Foil Assist, which is why this set is the smart buy. And with session times ranging from 30 to 60 minutes, depending on your weight, speed setting, foil setup, and conditions, having a second set charged up and ready means more time flying, less time waiting on the beach.
Intuitive to use: a single power button brings the battery to life, and four LED charge indicators give you an instant read on status — from empty to storage level to full charge.
Battery Specs:
- Type: LiPo (LiHV)
- Capacity: 7 Ah per battery
- Voltage: 22.8V per battery
- Energy: 159.6 Wh per battery
- Weight: 1 kg per battery
- Sold as a set of 2