Energizer NH22NBP 1-pk 9V / 9 Volt 175 mAh NiMH Rechargeable Battery, Pre-Charged, All Purpose | Canadian Tire
Ansmann maxE 9V Rechargeable 200mAh – Thomann UK
Tenergy 9V NiMH Battery, High Capacity 250mAh Rechargeable 9 Volt Batteries for Smoke Detector/Alarms, TENS Unit, Metal Detector, and More (4 Pack) : Amazon.ca: Electronics