Some cordless mowers have just one battery, but most have two ... and carefully use a stiff-bristled brush to clear grass cuttings out of the mowing deck and other parts of the lawn mower.

Every year we rigorously test lawn mowers - from battery life to make sure you don't have to stop mid lawn to how well they handle uneven lawns - to find the right model for you. Only logged-in ...

Use a brush to clean the battery terminals after every 50 hours of usage or once a year. Follow these steps to clean ...