Amazon.com: funkawa (2- Pack) CR-AA, AA Li-ion 3.7V Rechargeable Batteries Button top with USB Charger, Good for Flashlight Lumintop Tool AA 2.0, Klarus Mi7 : Electronics
LiCB 2Packs 1650mAh 16340 Battery Rechargeable Li-ion With Lithium Battery Holder case 3.7v Batteries Black(2 PCS)
ASP Lithium Ion 16340 Battery & Link Case – ASP, Inc.