Battery Minerals Ltd, formerly Metals of Africa Ltd, is an Australia-based company engaged in the mineral exploration and assessment of mineral projects. It is focused on developing its graphite projects at Montepuez Central and Balama Central, and the Kroussou lead-zinc project. It operates in mineral exploration within East Africa segment. It has completed drilling program at the Montepuez project. It also focuses on undertaking on-ground exploration program at the Kroussou lead-zinc project, including discovery of outcropping. It produces Graphene Oxide and Graphene from raw graphite at its Montepuez project. The Montepuez central project consists of various prospects, such as Buffalo, Lion and Elephant. The Balama Central project is located within Xixano Complex. It has discovered additional outcropping zinc and lead prospects, over a distance of approximately 50 kilometers. Its subsidiaries include Rio Mazowe Limited, Express Resources Pty Ltd and Index Resources Pty Ltd.