Battery dies in cold temps

Hello Guys, I need your advice. Every winter I have battery problem with my jeep, the battery dies in COLD temperature although my ride to work it's about 20 miles and I keep it running extra time just to have the alternator do it's job, but it all seems a big waist of time and $$$.
Have anyone encountered the same problem? and if so what was done to fix this problem.
BTW the battery is only 1 year old. the jeep is a Cherokee country, 4.0 I6 1993.
Thank you.

Cold weather is tough on lead acid batteries. Make sure your battery terminals are kept clean ...you can buy a brush tool that will scrub the posts and the inside of the clamps. It doesn't take much corrosion to create a high resistance to charging current ...which means the battery needs a longer charge to keep up. Depending on how cold it is and whether you keep you Jeep outside, you might invest in a trickle or maintenance charger for your battery ...this will put a continuous, small charge on the battery for overnight use.

Hope this helps....

Mike
00XJ

Thank you Sector 95, I have tried all of the options you mentioned except the trickle charger, but I do have a battery charger that I hook up to the battery very often around this time of the year.
The battery's terminals are clean and treated with conductive gel and there is no corrosion at the clamps, I thought that replacing the battery would have resolved the problem but still nothing the problem came back, in the mild to hot season the battery it's fine even though the use of A/C it could drain the battery but that doesn't happens.
Thank you.

LIke sector stated, cold will kill a battery quick, especially if its a "cheaper" brand. I live in NC and the other day it got down to 10 Degrees. Both my wife's YJ and my XJ are out in the cold, both started fine.
First, name brand of battery, the saying, you get what you pay for is ever so true with a battery. I am running a napa premium 650 CCA in my XJ and also an autozone Yellow top battery in the YJ.
Another thing to check is draw. You may have slight draw on your battery. NOrmally you should have only about .050 to .080 of an amp draw aftereverything shuts down. To test this, close all your doors, key out of the ignition, set up your mutimeter (digital) to the amp setting and set it up in line with your negative cable. You will see it read about 4 amps to start, but after about 15-30 minutes it should drop to bairly .050 amps. Anything higher than .080 amp will drain your battery, or affect its ability to start in colder temps.
Also, double check your termination points of your cables to the engine, are they clean and tight?

Agree with gtmud ...check not only the battery connections but also the ground connection at the block ...this can get pretty cruddy and if they use salt on the roads you can get a nice bit of corrosion at that juncture. Also, the red lead of the battery goes to a power distribution box in the engine bay (a black box on the passenger side if I recall) ...again see to it that the connection in the box is corrosion free.

Mike
00XJ

Thank you guys, all those tips are helpful, Now that the weather is getting warmer the jeep starts easily but I make sure to check all those point recommended by you all.
I'll keep you posted.