2 x 1 21700 Battery Holder with 21.75MM Bore Diameter

21700 1×3 Battery Cell Spacer/Holder is a cylindrical battery spacer, made of flame retardant ABS+PC materials, with high-temperature resistance and crack resistance.

There are slots on the edge of the holder, can be combined into many different sizes and shapes of the battery pack.

This Battery Holder is compatible with our 21700battery which you need to buy separately.

Note!! Every Single battery cell needs 2 Spacer for one up and one down buy it accordingly. 

Features :

1. There are slots on the edge of the holder to combined them into many different sizes and shapes of the battery pack.
2. Application: Design for Radiating Complex Battery Packs. Safe and Stable, Perfect Build for eBike!

Advantage:

1. Very simple to operation
2. Very flexible, it is easy to assemble any type of battery packs
3. Radiating during high rate discharge.
4. Makes your battery pack Solid and Reliable!