Amazon.com: Battery Tender Quick Disconnect USB Charger Adaptor - Charge Mobile Devices with 12V Vehicle Battery on The Go - 081-0158 : Automotive
Rayovac - 2-Position USB Battery Charger - AA or AAA - NiMH or NiCad - 2 x AA NiMH
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 -
Tripp Lite Portable Mobile Power Bank USB Battery Charger power bank - Li-Ion - USB - UPB-05K2-1U - Office Basics - CDW.com
SAE 2-Pin to USB Adapter | Harley-Davidson USA
USB Battery Charger for D12 Mini – WPL RC Official Store