Varta Universal Charger +, charger for rechargeable batteries in AA / AAA / 9V and USB devices, single slot charging, detection of defective cells, can be used worldwide: Amazon.de: Electronics & Photo
Universal-Akku-Ladegerät - USB | WattGeizer.com - energiesparende Produkte
Amazon.com: Onite Universal Battery Charger with USB Output Port for 3.8V High-Voltage Battery of Samsung Galaxy S2 S3 S4 J5, Note 2 3, Edge, Mega, LG Optimus G G2 G3 : Cell