Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Mower needs more power

We are very satisfied with the Black & Decker cordless electric mulching lawn mower, but we are disappointed that it does not have as much power for picking up loose leaves, etc., as previous gas-powered mowers have had. It is very easy to store because the handle folds down, but it is every bit as difficult to push as our hand mower (grass cutter). It is not self-propelled, so don't expect it to make your life too much easier.