Replace with a fresh battery as recommended by the manufacturer. My landlord refuses to install a smoke detector. Installation and Maintenance are the owners responsibility. The occupant should notify the owners in writing. Installation is to be done by the owner upon receipt of notification.
Batteries are to be changed within two days of written notification.
Store your extinguisher away from the stove, near the entrance to the kitchen. Mount the extinguisher on the bracket that is supplied with the extinguisher. In your workshop, mount the extinguisher away from power tools, near the exit. After each use or if the gauge shows a loss of pressure. Dry chemical extinguishers must be hydrostatically tested and recharged every six years.