Stellantis is building their 2-billion dollar power battery plant, partnering with Samsung. 

Most of them operate of a 9v battery and can hold a SD card.

There is really no limit to the possibilities of what you could get sued for.Most large liability claims are the result of a tenant repeatedly complaining about some danger;  lead paint in bad condition, no batteries in the smoke detector, not repairing a railing on a porch. 

Batteries not included.The history of bank failures since the establishment of the FDIC below:Year - Number of Bank Failures2015 - 42014 - 182013 - 232012 - 502011 - 922010 - 1572009 - 1402008 - 302007 - 32006 - 02005 - 02004 - 42003 - 32002 - 112001 - 42000 - 71999 - 81998 - 31997 - 11996 - 61995 - 81994 - 151993 - 501992 - 1811991 - 2711990 - 3821989 - 5341988 - 4701987 - 2621986 - 2041985 - 1801984 - 1061983 - 991982 - 1191981 - 401980 - 221979 - 101978 - 71977 - 61976 - 171975 - 131974 - 41973 - 61972 - 21971 - 71970 - 71969 - 91968 - 31967 - 41966 - 71965 - 51964 - 71963 - 21962 - 11961 - 51960 - 11959 - 31958 - 41957 - 11956 - 21955 - 51954 - 21953 - 21952 - 31951 - 21950 - 41949 - 41948 - 31947 - 51946 - 11945 - 11944 - 21943 - 51942 - 201941 - 151940 - 431939 - 601938 - 741937 - 751936 - 691935 - 251934 - 9

The flip side to that is, even if you're working 80-100 hours a week, if you can see progress, things moving, getting closer to your goals, the anticipation & excitement of it can recharge your emotional battery like no vacation can. 

I carry a tool box and some ryobi battery powered tools with me, that's all I need.

I install them, but when folks move out I find that the smoke alarms are missing, batteries dead, etc. 

Those in support of tech, namely chip manufacture and battery tech., and energy.

Account Closed, sorry I didn't hear that, the batteries went dead dead in my hearing aids. 

In most cases it's the landlords, but there are items where the landlord and tenant may discuss and designate who wants to do it such as smoke alarm batteries, light bulbs, pest control, refrigerator water dispenser filters etc etc etc...Usually, if the landlord provided the appliance, the landlord is responsible for it's maintenance.