Ask Honest John

Most recently answered trickle charging questions
Due to the coronavirus, I want to ensure that my car battery stays charged. The advice seems to be to use a trickle charger. I've noticed that many trickle chargers are not suitable for stop-start engines....
With the enforced lay-up of my 2018 Jaguar XF, can I use a C-TEK MVS 5-C trickle charger on my car? If so, where is the best place to connect it?
You recommend trickle charging on a hybrid during self-isolation. We've got a Kia Niro, but I couldn't find visible battery terminals. Any idea where they are?
During the Covid-19 crisis, my MINI will remain stationary in my drive. I do not have access to a power point to connect a trickle charger, so what steps can I take to ensure the battery does not go flat?
I have an Exide Premium 030 75AH battery fitted to a 1999 Lexus LS400. I need to know what battery chargers are most suitable to maintain good battery condition. I only do short journeys so I need a reliable...
Can you suggest a reasonably priced battery trickle charger and boost for a Jaguar XK?
I have a Jaguar XK8 that will need a battery trickle charger over winter. It has a Yuasa YBX 3000 battery, 12 v 95 Ah 850 A. I would be grateful if you could recommend an appropriate charger as I am aware...
We have a BMW Z4 which hasn't been used over the winter. A new battery was fitted late last year, but this morning it is as flat as a pancake. The AA has suggested either another new battery or purchasing...
I have read several of your comments advocating a trickle charge for the battery. Would that be suitable for my Lexus hybrid? And if so what would you recommend I purchase and how do I connect it?
I will put my classic car into my garage with a fitted cover in October for six months. Would it be best to fill the tank up with petrol to stop the condensation forming in the tank, or leave it nearly...