PATONA Dual Charger for blh-1 battery compatible with Olympus OM-D EM-1 Mark 2 : Amazon.nl: Electronics & Photo
PATONA BLX-1 Battery Charger (1713 USB Dual LCD Mini) compatible with OM System Olympus OM-1/power supply via USB-C or Micro-USB : Amazon.se: Electronics
PATONA V1 Protect BLX-1 Battery 2X (2250 mAh) with NTC Sensor and V1 Housing - Compatible with Olympus OM-1: Amazon.co.uk: Electronics & Photo