Leonov V. N. RussiaSt.-Petersburg Scientific and Technological Center of JSC Elektrotyaga, 50-, st. of Kalinin, Saint Petersburg, 198095 Author's articles Electrotyaga Ltd: today and tomorrow New ways to improve the performance of sealed batteries of high capacity Evaluation of criteria for design of current collectors of the lead-acid battery New additives to active masses and electrolyte of sealed lead storage battery The influence of different factors on thermal balance in lead-acid battery New lead-acid battery for submersible vehicles Estimation of lead-acid batteries exploitation possibility in high-rate charge and partial state of charge mode