For example, the tenant didn't replace a single light bulb or the tenant took the batteries out of the smoke alarm...it seemed it kept going off when they were smoking apparently.

However, with the normal wear and tear/ usage of the two main entry doors to the units foyer area, we have had more than 5 service calls on the locks (for batteries, lock mechanism not functioning, etc.) and both front door Locks have had to be replaced once already and I am thinking it is time to use a different Door Lock method. 

The Kidde Access Point is the best. https://www.amazon.com/Kidde-AccessPoint-001414-Co...Electronic locks are great, but you'll always want a spare in case the battery dies.

Great job 809 credit score. 12 hits on criminal record the worst being battery with intent to cause physical harm (3 counts total) and Burglary of a Dwelling.

The small town rumor is that dude is the dope man and he has a laundry list of small-time drug and some more significant battery convictions already.

In 2020, new homes in California will require them. http://www.jlconline.com/business/california-mandates-solar-panels-with-a-battery-option_o

I put in my lease that I will be replacing the furnace filter, batteries for smoke detector/CO detector, and inspecting the unit every 6 months.

This morning I heard the low battery churp from the alarm upstairs so I came home after work with fresh batteries. 

I would assume if yours are hard wired they will be going off often and if battery the batteries will be removed the first day.

The fire hazard from lithium batteries is no different from the fire hazard in cell phone batteries, lap top computers, high-end flash lights, or power tools.We do not allow smoking but do allow vaping.