Wattsun® S1

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Wattsun® S1

Meet the Wattsun S1, the ultra-compact power source. Specifically developed for fixed installation in mobile applications, without relying on the power grid.

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Key features

Extremely compactThe Wattsun S1 is a highly compact, portable battery with a 230V outlet, 2000 watts of power, and a battery capacity of 1.4 kWh. No fuss, just simplicity. A lightweight aluminum design weighing under 13 kg, complete with an integrated handle.
Proven battery technologyIn the Wattsun S1, we use the proven battery technology of the Wattsun Dock. Unlike the Dock, the S1 has been specifically optimized by our Dutch engineers for use in protected mobile environments, such as a work van or coffee cart.
Perfect for built-in installationThanks to its compact size, the Wattsun S1 is ideal for built-in installation in, for example, a company van or coffee cart. The input and output, power button, and display are all located on the front of the battery system.
AffordableThe Wattsun S1 brings together our latest battery technology. Since power and capacity are the only requirements in this system, the S1 is the most affordable battery of its kind.
Plug & PlayNeed power? Just plug it in and hold the power button for four seconds. It's that simple! You'll have 230V power instantly.
PowerfulWith a continuous power output of 2000W and a peak power of up to 3500W (for 3 seconds), the Wattsun S1 can power a wide range of electrical devices — from professional equipment in a film crew van to the espresso machine in your coffee cart.
Intuitive displayThe bright OLED display gives you all the essential information at a glance, such as remaining runtime, battery status, and current power usage. That way, you’re never caught off guard.
>1000 cycliThe lithium-ion battery cells in the Dock are of the highest quality, ensuring a long lifespan of over a thousand cycles.
Silent and cleanWith a noise level of under 42 dB, the Wattsun S1 is whisper quiet. On top of that, it operates with zero emissions.
Fast chargingThe Wattsun S1 charges fully in just 3 hours with the Wattsun Charger 600 (or approximately 4.5 hours with the Charger 360). This means minimal downtime and maximum availability for your mobile projects.
Pure sine waveThe Wattsun S1 delivers a pure sine wave, just like the regular power grid. This allows you to safely and reliably use sensitive devices such as audio equipment and measuring instruments without interference.

Technical specifications

Voltage230 Volt
Frequency50 Hz
Continious power2000 Watt
Peak power3500 Watt (3 sec)
Max. AC output current2100 Watt
Cell technologyLithium-Ion
Battery capacity1800 Wh
Charging cycles> 1000 (25°C)
Nominal voltage51 Vdc
Charging voltage mains power230 Vac
Load capacity600 W or 360 W
Charging time4 hours (charger 360), 2.5 hours (charger 600)
Max. DC input power1400 W
Ambient charging temperature5°C ~ 40°C
Ambient discharging temperature-10°C ~ 40°C
Storage temperature > 1 month-15°C ~ 45°C
Relative humidity during use5% ~ 95% non-condensing
Weight12.8 kg
Measurements430 * 165 * 265 mm (L*W*H)
Protection ratingIP 22
CoolingActive
Sound<42 dB(A)
CasingPowdercoated-aluminum
Safetyovertemperature and undertemperature protection, short-circuit protection.
Output protectionAC output overcurrent protection, AC output surge protection, AC output short-circuit protection

Documenten

Wattsun S1 instruction manual (PDF | Dutch)

The ideal power source for your mobile setup

The Wattsun S1 is designed to deliver power in places where a fixed power connection is unavailable or impractical. Think of powering a coffee cart, a film crew trailer, or a company van. With the S1, you have a compact, independent power source wherever you need it, allowing you to work freely anywhere. With 2000 watts of continuous power, 1.8 kWh of battery capacity, and a smart design with all connections located at the front for easy access, the S1 is ideal for applications where reliability and ease of use come first.

Extremely compact

The Wattsun S1 is a highly compact, portable battery with a 230V outlet, 2000 watts of power, and a battery capacity of 1.8 kWh. No fuss, just simplicity. A lightweight aluminum design weighing under 15 kg with an integrated handle.

Proven battery technology

In the Wattsun S1, we use the proven battery technology of the Wattsun Dock. Unlike the Dock, the S1 has been specifically optimized by our Dutch engineers for use in protected mobile environments, such as a work van or coffee cart.

Perfect for built-in installation

Thanks to its compact size, the Wattsun S1 is ideal for built-in installation in, for example, a company van or coffee cart. The input and output, power button, and display are all located on the front of the battery system.

Special edition

The Wattsun S1 stands for Special One. It is our first battery system designed as a special edition in collaboration with the Red Cross Hospital. In this hospital in Beverwijk, they use coffee carts that, thanks to the S1, can now serve freshly ground coffee anywhere — without being connected to the power grid.

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Together we create the S2

Wattsun has an in-house R\&D team that is continuously focused on further optimizing and developing both existing and new battery systems. Are you looking for a solution that does not yet exist for your challenge? Get in touch with us. Who knows, together we might create the Wattsun S2.

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Tailored advice?

Not sure whether the S1, the Stack, or the Ventus best suits your power needs? Or do you have another question? We are happy to help you.

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Frequently asked questions

01 Can I build the S1 into my vehicle?

Of course! The S1 is highly compact, making it easy to store in your work van. With all connections conveniently located on the front, charging the S1 or connecting it to a device is quick and effortless.

02 How many devices can I connect to the Wattsun S1?

As long as you stay within the power-range of 2000 W, you can attach any devices you'd like. While there is one socket on the Wattsun S1 itself, you can attach a power strip to increase the amount of sockets.

03 Does the Wattsun S1 support solar charging?

Due to its smaller size, the S1 does not support solar charging. If you require this feature, we recommend the Wattsun Stack or Wattsun VentusWattsun® Ventus, both of which are compatible with solar input.

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