Amazon.com: Customer reviews: Bundle: Olight UC (Universal Battery Charger) Magnetic USB Charger for Single Cylinder Rechargeable Lithium and NiMH Batteries with Skyben Battery case
Olight Universal Magnetic USB Battery Charger (UMC) - Review & Test - YouTube
Kombi - [Review] Olight UC Ladegerät | Taschenlampen Forum
On Foot, Off Grid: Olight UC Magnetic USB Charger | Jerking the Trigger
In the test: The Olight UC battery charger with USB connection