not sure that would be very effective - you'll need a lot of batteries ?
at current tech levels, it best used as its generated ?
and you'd need an inverter
holy crap - I used 2/3rds of a bottle in one go
I was going to give up on it due to cost per application .......... but as above, I may have been a little over-enthusiastic
when opening from the outside it can (sometimes) be quite difficult - it opens perfectly normally from inside
pulling the handle needs to be done at a specific point and angle ..... sort of
and its intermittent
suggestions on what might be causing it and how I can fix it