If it matters, I have an Imalent DX80, bought in 2018. It is kept 3/5 charged in a drawer as emergency light if we have a power outage etc. After being dropped

If it matters, I have an Imalent DX80, bought in 2018. It is kept 3/5 charged in a drawer as emergency light if we have a power outage etc. After being dropped on concrete the glass is cracked and half of the diodes are offline, but it does its job.