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
Tenberly 9V Rechargeable Battery 4 Pack 9 Volt Nimh Rechargeable Battery 300mah 6F22 Batteries : Amazon.ca: Health & Personal Care