I have the L6, which probably most of us here do, its sort of on the line off a maglite but about a 100x brighter. Runs on 2 26650 li-ions.
Nice all purpose around the house light. There’s also a coupon code that’s still active for it here.
Most of us probably have one or two of the UTORCH UT01 or a convoy S2. The UT01 uses 14500 li-ion and the S2 a 18650. Makes a good go anywhere light. If you want something small to WOW your friends with then there is the Emisar D4.
I warned you about the wallet.