These 6 volt sealed lead-acid batteries are valve-regulated and made with Absorbed Glass Mat (AGM) technology in which liquid electrolyte is suspended in a special glass mat material wrapped around each lead plate, thus making the batteries leak-proof. As a result, these 6V batteries can be installed in any orientation - even on their side.These maintenance free batteries will provide safe non-spillable power for a variety of 6V power applications.Data Sheet