All our batteries are the next generation of Century batteries. They are all maintenance free and have calcium-based cells. There is a signal eye located at the top of the batteries that lights green to let you know the batteries in good condition, black It needs charging, and white it needs replacing.
Alternative use batteries such as marine or bike can be ordered in overnight.
Our batteries (except car alarm and remote batteries) all come with a 36 month no hassle replacement warranty.