Amara Raja Batteries Ltd. will continue to invest and expand the legacy lead-acid battery business abroad, even as it diversifies into the manufacturing of green lithium-ion batteries. India's second largest lead-acid battery manufacturer is setting up a Lithium-ion facility in Mehbubnagar and an energy research and innovation centre in Hyderabad at an investment of Rs 9,500 crore. In the next five to seven years, the company plans t...