Amazon.com: Battery Tender Ring Terminal Accessory Cable and USB Charger Adaptor: Battery Cord & 2.1 AMP USB Charging Adaptor for Mobile Devices - For Motorcycles, Golf Carts, ATVs - Quick Disconnect -
510 Thread Battery & Vape Pen USB Charger by STRIO
Rayovac - 2-Position USB Battery Charger - AA or AAA - NiMH or NiCad - 2 x AA NiMH
Tripp Lite Portable 2-Port USB Battery Charger Mobile Power Bank 12k mAh power bank - Li-Ion - USB - UPB-12K0-2U - Office Basics - CDW.com