Ola Electric, the electric vehicle arm of Ola, has invested $100 million in lithium-ion battery cell research and development, according to reports from brokerages ICICI Securities and Edelweiss. CEO Bhavish Aggarwal unveiled the first indigenously developed lithium-ion battery cell. Ola will begin the mass production of the cell by 2023 and aims to develop the in-house capability by 2026.