21700 Tube for MC13 II - E14 IV

Package List
1x a 21700 tube
1x spare waterproof-oring

Tip:
1. This model is a tube, not flashlight. not included any battery.
2. This tube is designed for Mankerlight MC13 II SFT40, MC13 II 90.2, E14 IV. MC13II/E14IV owners can also use 21700 battery to get longer illumination run-time in practices.
3. This tube is fit for button-top/flat-top unprotected 21700 battery. Please DO NOT use protected 21700 battery because battery length.

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