The RST-SR2 uses two rotating 35 cm disc heads for a nominal 70 cm cleaning width. It is aimed at PV cleaning crews comparing working width, reach and operator handling on longer panel rows. Choose the 24 V lithium battery version or the 220 V mains-powered version to fit your site.
The dual-head brush in use
RST-SR2 Dual-Head technical specifications
| Specification | Value |
|---|---|
| Brush-head diameter / working width | 35 cm per head / 70 cm overall |
| Motor | 2 × 150 W, 24 V |
| Motor speed | 350 rpm |
| Brush material | PBT bristles |
| Power choices | 220 V mains-powered version / 24 V lithium battery version |
| Battery option | 24 V, 29 Ah |
| Battery-version operating time | 3–4 hours (datasheet figure) |
| Battery charging time | 6–8 hours |
| Telescopic pole options | 3.6 m / 3 sections; 5.6 m / 4; 7.6 m / 6; 10 m / 7; 12 m / 8 |
| Pole wall thickness | 1.1 mm |
| Pole outer diameter options | 35 / 40 / 47 mm |
| Pole material | Aluminum alloy or carbon fiber |
| Battery current | ≤20 A (datasheet) |
Select a workable configuration
Choose the 24 V lithium battery version for operation without a mains power connection, or the 220 V mains-powered version where a suitable power supply is available. Select the pole length and aluminum-alloy or carbon-fiber material to suit your site. The battery runtime shown above applies to the battery version.
Key components and connections
Standard configurations: battery and mains versions
Common equipment includes the dual-head brush with two 35 cm disc heads and selected telescopic pole, water-pump control box, 20 m water hose, combined water hose and power cable, accessory kit and instruction manual.
24 V lithium battery version
Supplied with a 24 V, 29 Ah lithium battery, 5 A charger and backpack. This version powers the brush without a mains power connection.
220 V mains-powered version
Supplied with a power adapter for connection to a 220 V mains supply.
Select the pole length and aluminum-alloy or carbon-fiber material for your order. The quotation confirms the final configuration and packing list.
Assembly and packaging
Warranty
The complete machine is covered by a two-year warranty. Free warranty repairs are provided for faults or damage not caused by the user. Brush bristles are consumable wear parts and are excluded from the warranty.
Dispatch lead times
Sample orders: dispatch in 2 days.
Orders of 10 units: dispatch in 5 days.
Orders of 20 units or more: the dispatch schedule is confirmed according to the customer’s requirements.
These times refer to dispatch, not arrival at the destination. Please confirm the schedule for other quantities and custom configurations when requesting a quote.
Request a model-specific quote
Share the number of units, destination, panel geometry, preferred pole reach and power supply. We can confirm the selected configuration, included accessories and an itemized quotation.