What is better for a flat battery, a booster or charger?

What is better, battery booster or charger for a flat battery? Can you explain the difference, please?

I don't have a mains socket to charge my car. Can I use a portable jump starter instead?

I’ve been reading the questions about trickle chargers for cars that can’t be driven during the Covid-19 lockdown, but because I don’t have access to a power point I wonder if a portable jump starter would...

Is there a gadget to jump start a car from the cigarette lighter socket?

You recently mentioned a gadget for jump starting a car via a cigarette lighter socket. Can you recommend a particular make?

What jump starter should we buy for our minibus?

My village charity group operates a Citroen Relay minibus. As a starting backup we would like to purchase a Battery Power Pack for emergency use should the vehicle battery become flat for any reason. ...

How do I find my radio code?

I'm looking for the radio code for my daughter's Ford KA. The serial number is V026774. The radio went off after her boyfriend put a new battery in.

Are jump starters that plug into cigarette lighters any good?

Do you have an opinion on battery jump starter/chargers that plug into the cigarette lighter? Are they okay or best avoided?