What batteries can be used in the TK20R V2?

The TK20R V2 includes the ARB-L21-5000 rechargeable 21700 battery. It is also compatible with other 21700 batteries like the ARB-L21-5000U and the ARB-021-4000P.

Did this answer your question? Thanks for the feedback There was a problem submitting your feedback. Please try again later.