I've been on the hunt for a replacement optimizing battery charger for a while and dropped on this, £19.99 free delivery, cheapest I've seen elsewhere is £24.99.
Not the cheapest charger out there granted but the permanent connection lead makes attaching this model a doddle.
no frills no fuss charger for the winter blues.
Manufacturer Blurb below:
Plug-in battery care for all 12V lead-acid batteries (including maintenance-free and gel types).
Can be used on many types of vehicles.
Easy to use
Automatically assesses and maintains the battery.
Assessment lights indicate the condition of the battery.
Recovers deeply discharged batteries by trickle charging.
Protected against inverse polarity connection and short circuit (no fuses). With CE and TUV approvals.