Lushina M. V. RussiaSt.-Petersburg Scientific and Technological Center of JSC Elektrotyaga, 50-, st. of Kalinin, Saint Petersburg, 198095 Author's articles New ways to improve the performance of sealed batteries of high capacity Lead-acid batteries for partial-state-of-charge applications Influence of tin on the behaviour of low-antimony lead alloys New lead-acid battery for submersible vehicles