Ultralife U9VLJPXC Lithium Battery, 9V, for Smoke/CO Detector - 1 Piece Retail Card : Amazon.ca: Tools & Home Improvement
EBL 4 Pack 9V Batteries, 9V Lithium Metal Batteries, Performance Capacity 1200mAh, Long Lasting, High Power, Light Weight(Non-Rechargeable) : Amazon.ca: Health & Personal Care