Duotone Electric Battery 7A Set 2026 – 2 pcs
Air travel-friendly LiHV battery set for the Duotone Foil Assist system, with an average runtime of 30–60 minutes.
Power for Your Duotone Foil Assist
The Duotone Electric Battery 7A Set 2026 includes two high-voltage lithium batteries designed specifically for the Duotone Foil Assist system. Two batteries must be connected to activate the Foil Assist, making this set essential for reliable performance on the water.
With an average runtime of 30 to 60 minutes, depending on rider weight, conditions, foil efficiency, speed level and board size, this battery set gives you the freedom to enjoy longer foiling sessions with consistent electric assistance.
Air Travel-Friendly Design
Each battery has a capacity of 159.6 Wh, just below the common 160 Wh air travel limit. This makes the Duotone Foil Assist batteries easier to transport when travelling to new foil spots.
Important: Airline regulations can vary. Always check with your airline and obtain approval before travelling with lithium batteries.
Key Features
- Set of 2 batteries: Required to activate the Duotone Foil Assist system.
- 7 Ah capacity: Reliable power for electric foil assistance.
- 30–60 minutes runtime: Runtime depends on rider, foil setup and conditions.
- Air travel-friendly: 159.6 Wh per battery, just under the 160 Wh limit.
- Easy activation: Simple power button operation.
- Charge indicator: Four LED lights show the battery charge level.
- Compact format: Practical size for travel and storage.
Battery Specifications
| Product | Duotone Electric Battery 7A Set 2026 |
|---|---|
| Included | 2 batteries |
| Type | LiPo / LiHV high-voltage lithium battery |
| Capacity | 7 Ah |
| Voltage | 22.8 V × 2 |
| Energy | 159.6 Wh × 2 |
| Weight | 1 kg × 2 |
| Average Runtime | Approx. 30–60 minutes |
| Item Number | 40260-6704 |
Safety Notice
This product contains lithium batteries and is classified as dangerous goods for shipping. Delivery may take longer, shipping to some countries may not be possible, and special return conditions may apply.
Always store the batteries in a fire-resistant battery bag when not in use. Follow all manufacturer safety instructions for charging, transport and storage.
Why Buy a Second Battery Set?
For longer foil sessions, a second battery set is highly recommended. With an additional set, you can quickly change batteries and continue riding with minimal interruption, making it ideal for travel, training days and longer sessions on the water.


