The bosch art 30 36 li cordless grass trimmer no petrol no cable full power the art 30 36 li cordless grass trimmer comes with a powerful 36 v 26 ah lithium ion battery for trimming up to 35 minutes on one charge it has a robust design with a high performance motor making it ideal for those areas of tougher growth 30 cm cutting diameter and twin line cutting system enables fast and efficient trimming on medium large sized lawns it features an easy to operate two speed trigger switch to