I attempted to charge only the one on the left (flash), but it was not used, so it is unused. The other two (flash and normal) are also unused. Simcraft Coleman HILLEBERG Hillberg HELINOX Helinox ADVENTURE IS OUT THERE Natal Design h&o H and O Mountain Research Old Mountain The Arth The Arth neru design works GRINDLODGE Grind Lodge asimocrafts Ballistics Snow Peak Trangia Device Works Products DOPPELGANGER OUTDOOR DOD ogawa Nordisk THE NORTH FACE msr NANGA inavance Igloo Yeti ORCA ZANEARTS Sabbatical Stanley Sanzoku Mountain Goal Zero Ledlenser Ina Cap inavance SomaBito Edge Stand lockfieldequipment Pyramid Globe Ledlenser Omni Burner Bravo One Staika Recommended for those who like Keron 4.