Batavia Maxxpack Twin Brush 18-V telescopic cordless cleaning brush (1x 2-Ah battery/1x 2.4-A charger) Higher reach, deeper clean The Twin Brush 18-V telescopic cordless cleaning brush is the ultimate cleaning solution for hard-to-reach surfaces and offers power, precision and flexibility. Whether you're cleaning tall porches, solar panels, deep pools or large boats, this telescopic brush makes it easy to thoroughly clean even in the most difficult areas. Why choose the Twin Brush 18-V telescopic cordless cleaning brush?