Need Help Translating Japanese

[tenaja85]

Hi all!  I am helping to sell off an estate and this is one of the items I came across... but, as a non-Japanese speaker I'm having difficulty knowing what this says!  Can anyone help?  Thanks in advance!

 

[argon38]

You could try the site below if nobody here can help:

https://www.reddit.com/r/translator/ 

[tenaja85]

Thank you for that suggestion!

[will.sf]

The box says:
Battery Box
Number 5235

And the connector inside says:
Battery connector