BATTERY JAPAN is part of SMART ENERGY WEEK [Spring] 2027, held from 24 to 26 March 2027 at Tokyo Big Sight. The organiser, RX Japan, expects around 1,600 exhibitors and 65,000 visitors across the whole venue, with about 200 conference sessions.

SMART ENERGY WEEK brings together seven shows – H2 & FC EXPO, PV EXPO, BATTERY JAPAN, SMART GRID EXPO, WIND EXPO, BIOMASS EXPO and NEXT-GEN THERMAL POWER EXPO – plus the special areas BIPV WORLD and Next-Gen Power Generation Technology WORLD, and runs alongside Sustainability Management Week [Spring].

Admission is free with visitor registration, and the open seminars need no pre-registration. The exhibition is open daily from 10:00 to 17:00.