0001786318 ibatf:OTCQBMember 2026-08-13 2026-08-13 0001786318 ibatf:TSXVentureExchangeMember 2026-08-13 2026-08-13 0001786318 2026-08-13 2026-08-13 false 0001786318 00-0000000 8-K 2026-08-13 INTERNATIONAL BATTERY METALS LTD. A1 333-286616 12 Greenway Plaza Suite 1100 Houston TX 77046 832 683-8839 false false false false Common Shares, no par value IBAT Common Shares, no par value IBATF true false