Naturally, when your Lawn Boy Lawnmower Batteries arrive,. Hence, they are kept in storage. So they lose charge at about 5% of their capacity per month.Therefore, stored batteries should be kept in a cool place.As a result, the warmer it gets, the more the battery will self-discharge. Thus, this is the main reason why lawn mowers and leisure batteries exist.Hence, they stood over the winter months.So they are best kept on a trickle charge. Nowadays, you can buy cheap smart chargers. As a result, that will top up the charge of your battery over the dormant winter period.This will give you a longer life for your battery.Batteries on the web supply all types of car batteries online with next-working-day delivery.They supply batteries from all leading battery manufacturers, from Lucas to Varta.