There are currently two versions of the Monteer 6500 bike headlight, one with round plug the other 4pin plug.
1）Orange 4 pin plug with 10500 mAh capacity battery (purchased pre July 2020)
This version of the Monteer is only compatible with MS-632 extension cable and MJ-6106D battery pack.
2) Round shaped plug type with 10,000 mAh capacity battery (purchased post July 2020)
This version of the Monteer is currently only compatible with MJ-6275 extension cable and MJ-6118 battery pack.
The battery packs themselves however, are compatible with any Magicshine lights with the same plug type.
