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This is a third-party 18650 lithium-ion cell made to replace the battery inside Theradome LH40, LH80 and LH80 Pro laser helmets. It is a single 3.7V, 2600mAh cell in a 1S1P pack, so it matches the original part number INR18650-1S1P and the helmet's charging circuit. It suits owners whose helmet no longer holds a charge and who are comfortable opening the unit to swap the cell. It is not made or authorized by Theradome, so the fit and the cell inside are the things to check against the original.
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Lowest price we've seen: $9.90 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
This is a replacement battery compatible with the Theradome LH40, LH80 and LH80 Pro. It is a Li-ion rechargeable battery with a 2600mAh (2.6Ah) capacity and a 3.7V output.
The battery is not affiliated with, authorized by, manufactured by, or sold by Theradome.