Quote Originally Posted by Badger-Roy View Post
Had one on my triumph and lasted 1 winter then died, in general I now buy own make battery’s from Tayna and not had 1 last less than 3 years yet so they seem good to me.
https://www.tayna.co.uk/

Edit: in all fairness to vertex the bike was standing for a while but IMO should still have taken a recharge and worked.
Cheers Roy, I've always used Yuasa but the guy I get parts from only has a Vertex in stock .