HW Rechargeable 123 Batteries [3V, 16-Pack] 2800mWh Long-Lasting 123a Lithium Battery 1000+ Cycles with 4 in 1 USB-C Cable for Cameras, Flashlight

https://a.co/d/0hIjrJcC for the AA replacement -- though I haven't put them through 8 recharges yet! For the CR123A, the ones I bought aren't available any longer, so I haven't used any of the current crop. If I were buying now, I'd probably try these https://a.co/d/0hrMzgx0 or these https://a.co/d/07yCsB6b