Ask a Question

Ask Honest John

Most recently answered battery life questions
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...
My wife's Suzuki Vitara petrol is only used for occasional short trips and the battery is running low on charge. Can I charge it in situ using a standard non-smart battery charger without disconnecting...
I have a 2014 Toyota Auris Hybrid. When can I expect to start having expensive repairs such as a replacement battery?
What is the expected life span of current batteries used in hybrid cars? And what is the cost of a replacement?
What type of stop/start battery is fitted to my Mercedes B-Class and why has it failed? The car is less than three years old and the mileage is 28000.
I am selling my Audi A4 Allroad 3.0 TDI and am trying to decide upon either a hybrid or EV. Is there any data available on the rate of decline in performance of EV vehicle batteries? I note Hyundai and...
I am becoming more interested in purchasing an electric car and at the age of 72 and a low mileage driver want it to last a long time. I imagine that the battery in an electric car is a lot different from...
My Outlander PHEV is three years old and has been an excellent car. I'm just starting to have a nag at the back of my mind about battery life and the consequent cost of replacement. Could I have your views...
What is the best way to maintain PHEV batteries and enable them to keep their charge?
I have a 2018 Alfa Romeo Giulia with 8000 miles on the clock. The car was running fine until the end of October, but I parked it in a garage overnight for around 11 hours and the next morning the battery...
 

Value my car