Nitecore NL1475R 14500 USB Rechargeable Li-Ion Battery NL1475R
Amazon.com: Nitecore Ci4 Four Bay Universal Battery Charger Support 16340 14500 18650 21700 Lithium Ion AA AAA Ni-MH Ni-CD, with USB-C QC PD Charging Adapter and Lumentac Battery Organizer : Electronics