The GeekVape L200 Classic 200W Box Mod Kit uses two 21700 batteries and has an output range of 5 to 200W. It is also compatible with Z MAX Tanks. The Geek Vape L200 Classic's sturdy zinc alloy chassis incorporates all of the beloved features of the original L200 and Aegis Legend into a brand-new design. chassis that can hold a pair of 21700 batteries, increasing the length of vaping s... https://www.vapeuniverse.co/products/geek-vape-l200-classic-kit?pr_prod_strat=pinned&pr_rec_id=f1c5741c6&pr_rec_pid=8189159309564&pr_ref_pid=8519640973564&pr_seq=uniform