DOTECO CBS900 Discreet 510 Battery is excellent battery that provides power, portability, and other great features for users looking for compact setups. The devices features integrated 510-thread connections, making it compatible with our favorite cartridges and larger ones ( 3 gram cartridges). The positive side of it only being temperature-wise slim, is that it is easy to carry and ... https://www.vapeuniverse.co/products/doteco-cbs900-discreet-510-battery?pr_prod_strat=pinned&pr_rec_id=33022d71c&pr_rec_pid=8517370478844&pr_ref_pid=8743644954876&pr_seq=uniform