The following are known Gecko Codes for Battalion Wars 2 on Nintendo Wii (Wii).

Unlock all Campaigns [eric]
42000000 90000000
023AAFAE 00001313

Unlock all Extras [eric]
42000000 90000000
083AAFC0 64646404
20140010 00000000

Infinite Health [eric]
42000000 80000000
077C3E00 00000010
3D6046D0 917E009C
819E0010 4E800020
040085B0 497BB851

No Reload (Rifles/Flamers) [eric]
42000000 80000000
077C3E10 00000034
83DC0004 819E0344
2C0C0000 41820024
A16C008E 2C0B001E
40820008 B16C0090
2C0B03E7 4082000C
39600000 B16C0244
4E800020 00000000
040085AC 497BB865

No Reload (Battleships/Tanks) [eric]
42000000 80000000
077C3E44 0000001C
809F0004 81840414
2C0C0000 41820018
39600000 916C0098
4E800020 00000000
041B8AA8 4960B39D