eFoil Battery: Light vs Endurance Trade-Offs
Explore eFoil battery options at Aerofoils. Compare lightweight packs for agility against high-capacity endurance batteries for extended ride time.
Before your first flight, one choice quietly shapes the whole session: which eFoil battery you put in the board. A lighter pack is easier to carry and makes the board feel nimble. A bigger pack keeps you out on the water longer. That is the trade-off between weight and range, and you feel it from the first minute. This guide puts both Aerofoils packs side by side with the real numbers, then helps you pick the one that suits how you ride.
An eFoil battery is the lithium-ion pack that powers your electric hydrofoil. It sets how long you ride, how far you go and how much weight you carry. Aerofoils offers two: a light battery built around low weight and easy handling, and an endurance battery built around maximum ride time and range.
The essentials at a glance
- The light battery holds 1.13 kWh, weighs 8.8 kg and delivers up to 60 minutes or 20 km per charge.
- The endurance battery holds 2.23 kWh, weighs 13 kg and delivers up to 120 minutes or 40 km per charge.
- The bigger pack also takes longer to charge: about 2 hours on fast charge, against roughly 1 h 15 min for the light one.
- Both packs have a built-in self-discharge function that brings them to a safe level for storage and transport.
- Every Aerofoils eFoil carries a 2-year warranty from the invoice date, with a service inspection due after 12 months.
What Separates a Light Battery From an Endurance Battery
The difference comes down to energy capacity. The endurance battery uses more cells for longer ride time and range. The light battery gives up some of that capacity to save weight and stay easy to handle. Nothing else changes. The drive, the safety systems and the quiet, emission-free ride stay the same whichever pack you pick.
The table below puts both Aerofoils packs next to each other on the specs that decide a session.
| Spec | Light Battery | Endurance Battery |
|---|---|---|
| Capacity | 1.13 kWh | 2.23 kWh |
| Weight | 8.8 kg | 13 kg |
| Ride time (up to) | 60 minutes | 120 minutes |
| Range (up to) | 20 km | 40 km |
| Fast charge (0-100%) | ~1 h 15 min | ~2 h |
| Slow charge (0-100%) | ~3 h 15 min | ~5 h 30 min |
Ride time and range are maximums. Rider weight, wing choice, water conditions and speed all move the real figure. Current pricing is on each product page: Light Battery and Endurance Battery.
How Far and How Long Can Each Battery Take You?
The endurance battery covers up to 120 minutes or 40 km on a single charge. The light battery reaches up to 60 minutes or 20 km. Lighter riders in calm water get close to those figures. Heavier riders in wind and chop will see less. Treat both as ceilings, not guarantees.
Your eFoil battery sets how long you stay in the air, how quickly you get back out after a charge, and how easily you move the board around on land. Time on the water is the whole point of an eFoil, and the pack you choose is what protects it.
In our experience, the gap between the advertised ceiling and a real session comes down to three things: wind, wing size, and how much of the ride is spent cruising versus pushing top speed. A rider cruising at a steady pace in flat water gets closer to the stated maximum. One carving hard or fighting a headwind on the way back in won't. Neither battery changes that math, it just moves the whole curve up or down. If your sessions regularly run long and the charge indicator keeps dropping faster than expected, that's a sign to size up, not a sign something's wrong with the pack.
Charging: Why the Bigger Pack Takes Longer
One thing catches a lot of riders out. The endurance battery does not charge faster than the light one. It charges slower, because there is more to fill. On fast charge it reaches full in about 2 hours, against roughly 1 h 15 min for the light pack. Both also have a slow-charge mode for overnight charging or weaker outlets, like a mobile socket in the car or several chargers on one circuit. Our charger guide covers which charger hardware fits which routine.
Light battery: lower weight, shorter range, quicker to charge. Endurance battery: longer range and ride time, but a longer charge. Match the pack to your usual session length, not to the biggest number on the page.
Storage Made Simple: The Self-Discharge Function
You do not have to babysit the battery over a long break. Both Aerofoils packs have a built-in self-discharge function that brings the cell down to a safe storage level on its own, ready for transport or a longer rest. For extended breaks, keep it cool and dry at 30% to 60% charge. Our Battery Care and Safety Guide and storage guide cover the full routine.
This matters more for the endurance battery than most riders expect. A bigger pack left fully charged in a garage over winter ages faster than one brought down to that 30-60% window. The self-discharge function is what closes the gap between "I forgot to think about this" and actually doing it right. The light battery benefits from the same logic, just with fewer cells aging unnecessarily fast.
Which eFoil Battery Fits Your Riding Style?
Matching the battery to your skill level and the way you ride is one of the more useful equipment calls you will make. Pick the wrong one and you either haul weight you never use or run out of range in the middle of a turn. Pick the right one and you stop thinking about the battery at all.
Do Beginners Need the Endurance Battery?
Most do not. First sessions tend to be short and exploratory, and boards like the Hyperfly are built to get new riders up and gliding fast. Of Aerofoils' battery options, the light pack fits that stage best. At 8.8 kg it is easier to lift and carry, and it saves your energy for the water during those early flights.
When the Endurance Battery Is Worth It
Stronger riders stay out longer and push harder. Dynamic carving on an agile board like the Competition Set needs sustained power, and the endurance battery keeps a run going instead of ending it early. It is also the obvious pick for schools, rental fleets and anyone riding session after session through a full day.
Warranty: What Aerofoils Actually Covers
It helps to know exactly what stands behind your battery. Aerofoils gives every eFoil a 2-year warranty, counted from the invoice date, in every region where it sells. Two conditions matter in practice: the warranty needs a service inspection after 12 months to stay valid, and cover can differ by component. For commercial use, the 2-year cover applies to how the eFoil works rather than how it looks.
The Bottom Line
It comes down to a single question: do you want the easy carry and nimble feel, or the most time you can get above the water? The light battery stays agile and charges quickly. The endurance battery stretches every session for riders who want more range. Both give you the same quiet, emission-free glide of an Aerofoils eFoil. The only real choice is how far it takes you.
Frequently Asked Questions
How long does an Aerofoils eFoil battery last?
The endurance battery runs for up to 120 minutes or 40 km on a charge. The light battery lasts up to 60 minutes or 20 km. Real ride time depends on rider weight, wing choice, water conditions and average speed, so treat these as ceilings rather than guarantees.
Which eFoil battery is best for beginners?
For most beginners, the light battery is the better start. At 8.8 kg it is easier to handle, and early sessions are short and exploratory. You can move up to the endurance pack once you want longer time on the water.
How much does an Aerofoils eFoil battery weigh?
The light battery weighs 8.8 kg and the endurance battery 13 kg. That 4.2 kg gap is noticeable every time you carry the board to and from the water.
Does the endurance battery charge faster than the light battery?
No. The endurance battery holds more energy, so it takes longer to charge: about 2 hours on fast charge, against roughly 1 hour 15 minutes for the light battery. Slow charging takes about 5 h 30 min and 3 h 15 min.
What warranty do Aerofoils eFoil batteries have?
Aerofoils provides a 2-year warranty from the invoice date. A service inspection after 12 months keeps the warranty valid, and cover can differ by component.
Can I store the eFoil battery over winter?
Yes. Both packs have a built-in self-discharge function that brings them to a safe storage level on their own. For longer breaks, keep the battery cool and dry at a charge between 30% and 60%.
