Amazon.com: Nitecore Ci4 Four Bay Universal Battery Charger Support 16340 14500 18650 21700 Lithium Ion AA AAA Ni-MH Ni-CD, USB-C QC PD with Lumentac Battery Organizer : Electronics
Amazon.com: 2 Pcs 3.7V Rechargeable Batteries 1/2AA Lithium ion Battery icr14250 300mAh (Flat Top, 14.5 * 25mm, NOT AA or AAA) : Health & Household