Tag: batteries

110 Posts

Can lighter socket chargers drain the battery when car is off
Aug 25, 2015

Is LED in Device Charger Drawing Down the Battery?

Dear Car Talk

Alan unplugs all the chargers for his electronic gizmos when he parks overnight. Is he wasting his time? Car Talk explains how long it would take for an LED light to impact the battery, right here


Running the engine faster to recharge the battery faster
Dec 18, 2014

Does a Faster Engine Equal a Faster Battery Charge?

Dear Car Talk

Today: Chris heard that you can recharge your battery faster by running your engine faster. Is this true? Car Talk weighs in, right here. 


Effects of removing the car battery
Dec 16, 2014

Is it OK to Disconnect the Battery for Eight Months?

Dear Car Talk

Vinnie has a Subaru Outback that he only uses for winter driving. He wonders if it's OK to disconnect the battery and leave it sitting for eight months out of the year. Car Talk's answer, right here. 


May 21, 2014

Breakthrough Batteries: Fighting to be the Next Big Thing

Jim Motavalli

Today's standard lithium-ion cells are today's standard, but disruptive technology that's cheaper, lasts longer and charges faster may be around the corner. Here's what's in the works.

electric vehicles batteries

Aftermarker replacement hybrid battery
Nov 07, 2013

Jury's Still Out on Aftermarket Batteries

Dear Car Talk

Anne's Prius needs a new battery and she's tempted to replace it with a much-cheaper, aftermarket version. Tom and Ray aren't quite ready to endorse this move yet because they don't know enough about these batteries. Want to help Tom and Ray? If you've replaced your hybrid battery with an aftermarket part, write in and tell us what happened. 

batteries EV repair electric vehicles

Can you pull-start a car
Aug 13, 2013

Today: Harvey's Harebrained Idea

Dear Car Talk

Harvey has an idea... he wants to develop a lawnmower type pull-start system to start his truck in case the battery dies and there's no one around to give him a jump. Just how bad is this idea? And what should he do instead? Tom and Ray's take, right here.


cleaning battery terminals with coca cola
Apr 18, 2013

Perk Up a Dead Battery With . . . Cola?

Dear Car Talk

Martha's car battery died this week and her neighbor suggested that she pour a can of Coke on it to clean off the corrosion. Martha is skeptical. Tom and Ray talk about this and other home remedies for batteries. Find out what works and what doesn't, right here. 


Kia Spectra battery corrosion
Jan 31, 2013

What's Corroding Jen's Battery?

Dear Car Talk

Jen's battery keeps getting corrosion on its terminals, but the battery is only 5 or 6 years old. Can Tom and Ray explalin what's going on?


does listening to the radio when the car is off drain the battery
Nov 23, 2012

Who's to Blame When the Battery Dies?

Dear Car Talk

Sarah's son listens to the radio in the car while the engine is off, but Sarah worries this will drain the battery. Her son says that his friends do this all the time and haven't killed a battery yet. Will Tom and Ray back Sarah up? Or will they endorse the collective wisdom of a group of teenage boys?

batteries sound systems

whats a reasonable price for a battery installation
Aug 23, 2012

Did Frank's Wife Pay Too Much?

Dear Car Talk

Frank's wife had the battery repalaced in their 1986 Honda Accord but now Frank worries that the shop ripped her off. Tom and Ray say the shop was definitely honest, but Frank still might have paid too much. Find out why, right here.

batteries garage policies