This extender lets you run various sizes of 16650 batteries. It should fit the majority of the batteries on the market. Some might not allow you to screw the cap on all the way, nut it will still give power and water resistance.
This extender lets you run various sizes of 16650 batteries. It should fit the majority of the batteries on the market. Some might not allow you to screw the cap on all the way, nut it will still give power and water resistance.