Japanese battery manufacturers are targeting a tripling of their sales in a revised strategic plan. This plan reflects the growing demand for battery technology amid advancements in renewable energy sectors. No timeline has been specified in the headline for reaching this tripling objective. The article implies a significant shift in company strategy and potentially indicates substantial market growth.

In Japan, there is a significant focus on renewable energy technology as the country strives to reduce its carbon emissions and dependence on nuclear power post the Fukushima disaster. Battery technology plays a critical role in energy storage solutions, making it a crucial part of Japan's energy plan. Consequently, Japanese businesses and consumers value the growth and development of the battery industry.

In the US and EU, a shift towards renewable energy also paves the way for increased demand for advanced battery technology, particularly for electric vehicles and grid storage. However, contextually, there is probably less of a sense of urgency than in Japan due to the Fukushima disaster.