ISRO has signed a Technology Transfer Agreement (TTA) with Bharat Heavy Electricals Ltd (BHEL) to transfer the technology for the manufacture of space-grade Li-Ion cells. The TTA was signed at ISRO headquarters in Bengaluru on 23rd March 2018 in the presence of Dr K. Sivan, Chairman of ISRO, and Atul Sobti, Chairman & Managing Director of BHEL. ISRO uses Li-Ion batteries as the power source for satellite and launch vehicle applications due to their high energy density, reliability and long cycle life. This Li-ion cell Technology Transfer will enable BHEL to produce space grade Li-Ion cells which can meet the country’s space programme requirements. This technology can also be adopted to cater to the Li-Ion cell requirement for other national needs.