Charger Metals NL has announced a significant maiden inferred mineral resource for its Medcalf Lithium Deposit within the Lake Johnston Lithium Project in Western Australia. The company’s independent assessment reports an inferred resource of 8.2 million tonnes grading 1.0% Li2O at a 0.5% cut-off, with both the deposit and an adjacent prospect—Medcalf West—remaining open at depth. In addition, an exploration target of 3 to 5 million tonnes at grades between 1.0% and 1.4% Li2O has been defined for Medcalf West, based on high-grade drill intersections and pegmatite outcrop evidence. The technical report, prepared in line with the 2012 JORC Code, details rigorous drilling programs using both reverse circulation and diamond drilling methods across the Medcalf area. The resource estimate, conducted using Ordinary Kriging in a block model with careful attention to geology and grade continuity, shows promising near-surface, high-grade lithium mineralisation hosted in spodumene-bearing pegmatites. The deposit’s cut-off grade assessments and bulk density assumptions, ranging between 1.8 and 2.85 t/m³ according to lithology and weathering, further support the material’s potential viability for open pit mining and subsequent metallurgical recovery processes. The involvement of Rio Tinto Exploration Pty Limited—as outlined in the farm-in agreement—underscores confidence in further systematized exploration. With $1.1 million and up to 5,000 meters of drilling earmarked for the year, the partnership signals strong investor backing and a collaborative approach to expanding the lithium resource base at Lake Johnston. From a market sentiment perspective, there is considerable bullish support for Charger Metals NL based on these results. The robust technical indicators, discovery of high-grade lithium mineralisation open at depth, and strategic farm-in partnership are positive signals to traders, suggesting significant potential upside in the lithium sector. Conversely, a bearish view might caution that the exploration target remains conceptual with inherent uncertainties pending further drilling and metallurgical test work. The early stage nature of the resource, coupled with market risks such as commodity price volatility, calls for measured optimism among beginner traders. Overall, this announcement reflects a key milestone for Charger Metals NL in its pursuit of enhancing its lithium resource portfolio, combining robust exploration data with strategic financial backing in an environment where battery metals are increasingly in demand.