ElvWiS ADVENTURE 25S Basic Compact Set

€375.00 *
Content: 1 piece

Prices incl. VAT plus shipping costs

Delivery time approx. 7-10 workdays

Converter Type:

Rotor Variant:

  • IS10026.4
One-stage wind turbine with Savonius rotor, Basic Compact Set... more
Product information "ElvWiS ADVENTURE 25S Basic Compact Set"


One-stage wind turbine with Savonius rotor, Basic Compact Set

Components ready to use. Generator, rotor axis and rotor quickly assembled and dismantled without tools.
Rotor optional completely demountable (no tools required) or firmly screwed (maintenance-free, disassembled, assembly material included).
Protection against theft by additional screw connections possible.

With anchoring material and optional with 3-phase rectifier or 12/24-Volt charge controller.
(Easily, you can choose the options beside the article images above in the variant configurator.)

Scope of supply

Generator (ABS, stainless steel bearings, stainless steel axle)
Turbine base plate (small, powder coated Aluminium)
Connection cable (5 m)
Rotor-axis (one-stage, stainless steel)
Rotor discs (transparent, highly resistant polymer)
Rotor blades (transparent, highly resistant polymer)

Suction cups with eyelets
Rubber tensioners
Ground pegs
12/24-Volt charge controller (optional)
3-Phase rectifier (optional)
Operating manual
All components in reusable cases


Technical data of the wind turbine

Total weight: 3.7 kg without cables and installation material
Total height: 36 cm
Pack size (disassembled): approx. 40 x 40 x 20 cm
Material: Stainless steel, seawater-resistant Aluminium, UV-resistant plastics
Spinning start: 0.5 - 1.0 m/s
Charging start 12.5 / 24.5 Volt: 3.5 - 4.5 / 7.0 - 8.0 m/s
Operating voltage: 0 - 45 Volts, optimised for 12-Volt applications
Operational noise: < Ambient noise / 30 dB max.
Operating range: 0.5 - 30 m/s
Dimensions of the rotor: B 32 x H 22 cm
Rotor nominal power at 12 m/s: 11 Watts
Rotor maximum power at 20 m/s: 52 Watts
Maximum generator efficiency: 96 %

Rotor type: Savonius rotor - 2 opposed C-shaped blades per level
Rotor features: Allrounder for gusty winds and all wind speeds, fast power delivery at low wind speeds, quick reaction to changing wind speeds, self-braking at high wind speeds.
Mounting options: For example, mobile with suckers/rubber tensioners on flat surfaces and with ground pegs on loose ground or screwed tight on/under flat surfaces (caravan roof, boat deck, garden shed, etc.).
Compatibility: For example, with the universal mount for mast installation as well as with the demountable or firmly screwed (maintenance-free) 25S rotors.

Component details

Generator: 1 piece
Construction: Double-disc generator (IP64), 12-pole (24 neodymium magnets), AC 3-phase, brushless, cogging-free.
Housing/Socket: Extremely sturdy ABS compound material with stainless steel connecting elements.
Axle: Stainless steel; equipped with precision ball bearing seatings and a crafted centering cone with M16 female thread; for locking of the rotor axis equipped with a solid plastic handle.
Bearings: Massive branded stainless steel ball bearings with lifetime lubrication.
Cable connection: Twice implemented stable strain relief on generator and socket.  

Turbine base plate (small): 1 piece
Construction: Robust 4 mm aluminum solid sheet with resistant powder coating. Compatible with the universal mount. Multifunctional use due to holes for attaching the suction feet and eyelets, as well as to the slotted holes for a fixed screw connection on flat surfaces and the direct fastening by ground pegs.  

Connection cable: 5 meters
Specifications: Flexible and durable 10 mm thick, rubberized outdoor equipment cable with 3 phases x 1.5 mm.  

Rotor axis (one-stage): 1 piece
Construction: All stainless steel-made, torsion resistant 18 mm hollow axle with locking split-pins and protective cap. M16 thread adapter with precision crafted centering cone and bayonet mechanism for locking the rotor.  

Rotor disc: 2 pieces
Construction: Rigid 2 mm thick sheet made of transparent, impact- and weather-resistant high-performance polymer with self locking quick connectors. Precision machined centering sleeves made of impact- and abrasion-resistant polyamide with integrated axle locking. 

Special features: Individually paintable with Lexan colors.  

Rotor blade: 2 pieces
Construction: Flexible, aerodynamically shaped blade made of transparent, impact- and weather-resistant high-performance polymer with self locking quick connectors.

Special features: Individually paintable with Lexan colors.  

Suction cup with eyelet: 3 pieces
Specifications: High suction 80 mm quality suction cup with M6 stainless steel connecting thread. Massive M6 stainless steel eye nut for attaching safety and bracing elements.

Rubber tensioner: 3 pieces
Specifications: Weatherproof, coated Multiflex bungee rope with 8 mm diameter and 40 cm length. On both sides very strong, plastic coated metal hooks.  

Ground peg: 3 pieces
Specifications: Round metal peg of 8 mm diameter and 25 cm length. With sturdy plastic head suitable for very hard soils.  

3-Phase rectifier (optional): 1 piece
Specifications: Waterproof encapsulated 3-phase bridge rectifier for direct connection of lighting, electric motors and lead (gel) batteries. Converts the alternating current of the generator into a direct current corresponding to the rotational speed. On AC side three turbine plug connections and on DC side two plug connectors (Minus - / + Plus), incl. fuse holder, and fuse.    

Charge controller (optional): 1 piece
Specifications: Charging mode: MPPT boost for low wind speeds; Nominal voltage (battery): 12V / 24V auto detection; Standby current consumption: 3.6 mA; Boost charge start: 8-9 V (12 V Batt.) / 15-16 V (24 V Batt.); Protection class: IP 67; Power max.: 400 Watts; Max. input voltage: 60 Volts; Brake voltage: at 14.4 V (12 V batt.) / at 28.8 V (24 V batt.); Restart voltage: at 13.5 V (12 V batt.) / at 27.0 V (24 V batt.); Float voltage (after braking mode): down to 12.5 V (12 V batt.) / down to 25.0 V (24 V batt.); Detection voltage min.: 8 V; Protection functions: Battery overvoltage, charging current limitation, braking function; Working temperature: -35 °C - +75 °C / 85 % RH; Display: Red LED (Blinking once when the battery is connected. Permanently on in braking mode. Flashes in float charge mode.), Green LED (Flashes in boost charging mode. Permanently on in standard charging mode.); Connection: 3 x blue cable (Connection to generator 3-phase alternating current), 1 x red cable (Connection to battery plus "+"), 1 x black cable (Connection to battery minus "-"), incl. fuse holder and fuse.

Field of use: Camping
Nominal/Maximum Power: 50 Watt
Turbine construction: Partial demountable, Fully demountable
Mounting Type: Below
Rotor Type: Savonius rotor
Rotor Stages: One-stage
Rotor Material: Transparent UV-plastics
Generator Material: UV-resistant plastics
Assembly material: Stainless steel
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