That will f**k your battery on fast charge, it's for cars. Large car cells accommodate higher charging current. Without telling me, a friend fast charged my new battery...resulting in me having to buy another battery. It killed it. Someone will no doubt write to say 'blahblahblah I use a car charger on my batteries and they go better and have lasted for a billion years and invented a new type of chemistry'. Heed them at your own risk. Motobatt lumps are good to go from the off, but will obviously take a day or so to arrive. I love my Motobatt. I popped a Yuasa into the lad's 125 the other weekend and the residual charge was enough to get it going - so we rode it for three hours to get it fully charged. If you want a charger then Halfords also do a couple of the Oxford bike intelligent chargers. I'd suggest buying one of them.