Backpack v large (bikepacking) saddlebag

Yes, this is linked to the fact Lidl are doing them this weekend.
So, currently commute with backpack which has all the usual usefulness along with the usual sweaty back etc. Does anyone use the larger saddlepacks for commuting? Worth the possible extra effort of taking on/off each time or leaving on and emptying each end etc?
Having used panniers in the past which makes the bike feel different I'm not sure I liked how it handled, but someone I work with states you don't get that same weighted feeling as the bag can move around a bit more?
Basically looking for views or "do it/don't do it"s. It would be a good excuse tp get the bag so I have it incase I ever manage to do an actual bikepacking type thing.
Thanks
So, currently commute with backpack which has all the usual usefulness along with the usual sweaty back etc. Does anyone use the larger saddlepacks for commuting? Worth the possible extra effort of taking on/off each time or leaving on and emptying each end etc?
Having used panniers in the past which makes the bike feel different I'm not sure I liked how it handled, but someone I work with states you don't get that same weighted feeling as the bag can move around a bit more?
Basically looking for views or "do it/don't do it"s. It would be a good excuse tp get the bag so I have it incase I ever manage to do an actual bikepacking type thing.
Thanks
"I ride to eat"
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6-9 litres would probably suffice in summer.
Always remember - weight on your back becomes weight on your bum!
I put everything in a thin but strong fabric shopping bag and leave the saddlebag on the bike.
However, when I have to carry the laptop I have to resort to the backpack.
Marin Nail Trail
Cotic Solaris
https://www.carradice.co.uk/bags/saddle-packs-sqr-bags/super-c-sqr-slim
For people with the Carradice habit, it's always worth keeping an eye on their factory seconds store on Ebay.
https://www.ebay.co.uk/usr/carradicefactoryshop?_trksid=p2047675.l2559
I've had to move my rear lights though as the bag tends to drop right down the seat post and "bunch up" quite upright behind me. Contemplating an extra strap somehow to keep the front of the bag high up the post and for the bag to stay pointing out rather than up.