We want solar panel cleaner. We primarily chose the following two models. 1. SUNLINK CB23 Solar Panel Cleaning Solar Module Cleaning Solar Panel2. SUNLINKQ15 M12 3.5m 5.5m 7.5m Solar Panel Electric Cleaning RollerThe shipment can be made at our head office address at 1335, Bin’an Rd, Binjiang District, Hangzhou, Zhejiang, China or Local office at Dhaka, Bangladesh. Please send us quotation for both cases with minimum orderable quantity. Type:with water feederOperating Voltage:24VCharging Voltage:220V/110VBattery Capacity:20AhIdler Electric Current:7~8ALength Of Telescopic Rod:3600mm/5400mm/7200mm/10000mmDay Work Efficiency:0.5~0.8MWOperating Mode:ElectricWork Temperature Range:-30~60℃I am looking for semi-automatic solar panel cleaners. Can you help me with this type of products?1. SUNLINK CB23 Solar Panel Cleaning Solar Module Cleaning Solar Panel2. SUNLINKQ15 M12 3.5m 5.5m 7.5m Solar Panel Electric Cleaning Roller Show More