---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-23-045670"
form_type: "8-K"
ticker: "ABAT"
cik: "0001576873"
company_name: "AMERICAN BATTERY TECHNOLOGY Co"
filed_at: "2023-12-21T23:59:59+00:00"
generated_at: "2026-06-07T09:04:31.126203+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# ABTC reports positive Initial Assessment for Tonopah Flats Lithium Project; NPV $4.41B, IRR 65.8%

## Summary
- Inferred resource of 18.03 million tons lithium hydroxide monohydrate (LHM) at 3,815 ppm grade.
- After-tax NPV of $4.41B at 10% discount; IRR of 65.8%; project payback period of 2.4 years.
- Total mine and refinery capital costs estimated at $1.06B; average annual production of 33,000 tons LHM.
- LHM production cost of $4,636/ton; life of mine 50 years with resource supporting over 400 years.

## SEC filing metadata
- accession: 0001493152-23-045670
- form_type: 8-K
- ticker: ABAT
- cik: 0001576873
- company_name: AMERICAN BATTERY TECHNOLOGY Co
- filed_at: 2023-12-21T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1576873/000149315223045670/0001493152-23-045670-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1576873/000149315223045670/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-23-045670
- JSON: https://secwatch.observer/filing/0001493152-23-045670.json
- Plain text: https://secwatch.observer/filing/0001493152-23-045670.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.