This is the charger I use as been really good for the money very well built was recommended on caravan forum.
Maypole Smart Electronic Battery Charger 6 V 12V Wet Gel Caravan Car MP7423 | eBay
The beauty of this charger is that it as quick connection clip I just run a cable to back on van and use the quick connecter literally take 2 seconds to connect you get the crocodile clips also I have the quick connector permanently connected to my leisure battery.
The perfect soluation to top up your battery.
Maypole Smart Electronic Battery Charger 6 V 12V Wet Gel Caravan Car MP7423 | eBay
The beauty of this charger is that it as quick connection clip I just run a cable to back on van and use the quick connecter literally take 2 seconds to connect you get the crocodile clips also I have the quick connector permanently connected to my leisure battery.
The perfect soluation to top up your battery.