Cover - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Sep. 18, 2024	Dec. 31, 2023
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2024
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Current Fiscal Year End Date	--06-30
Entity File Number	000-55088
Entity Registrant Name	AMERICAN BATTERY TECHNOLOGY COMPANY
Entity Central Index Key	0001576873
Entity Tax Identification Number	33-1227980
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	100 Washington Street
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Reno
Entity Address, State or Province	NV
Entity Address, Postal Zip Code	89503
City Area Code	(775)
Local Phone Number	473-4744
Trading Symbol	ABAT
Security Exchange Name	NASDAQ
Title of 12(g) Security	Common stock, $0.001 par value
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float				$ 231
Entity Common Stock, Shares Outstanding			72,048,442
Documents Incorporated by Reference [Text Block]	Certain information in Part III of this Annual Report on Form 10-K is incorporated by reference to our definitive Proxy Statement for the 2024 Annual Meeting of Shareholders to be filed with the Securities and Exchange Commission within 120 days after the fiscal year ended June 30, 2024.
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	true
Document Financial Statement Restatement Recovery Analysis [Flag]	false
Entity Listing, Par Value Per Share	$ 0.001
Auditor Name	KPMG LLP	Marcum LLP
Auditor Firm ID	185	688
Auditor Location	Portland, Oregon	Costa Mesa, California