Warming Up a Car Battery Without a Jump Start

Many a times we ignore the importance of battery in our vehicle and thereafter face trouble because of the same. Car’s battery is quite a significant component of your vehicle and without it your car won’t start. Even the temperature affects the battery’s performance, and when the battery is at 0 degrees F, only half of the normal cranking power will be produced whereas the drop in temperature of 20 degrees F, it will raise out less power capacity. So here are some steps to warm up your battery so that you can easily start your vehicle.
Some important things you need are:

• Adjustable wrench
• Water
• Freezer bags
• Blanket

Remove Frozen Battery
Open the hood and just check where the battery is located and the same depends on the moel of the car you are using. The battery is usually located in the four corners of the engine, so make sure you check the corners first. In case you are not able to locate the battery, you must check the details in the owner’s manual.
To easily loose the bolt you must use an adjustable wrench while holding the clamp on the negative battery terminal. You can comfortable recognize the negative clamp as it is of black color. Not what you need to do is just remove the clamp from the terminal.
Same as described above, remove the positive battery clamp from the positive battery terminal. After taking out the battery clamp gently lift the battery out of the vehicle.
You can gradually warm the battery by keeping it indoors. When the battery comes to normal temperature and is not so cold to touch, just reinstall it in your car start your vehicle.
Freezer Bag Method

• In freezer bag method, use the hot tap water to fill up six freezer bags.
• Now place the freezer bags on top and around the cold battery placed in your car.
• Cover it with a thick blanket and wait for about half-an-hour.

Thereafter 30 minutes, remove the blanket and freezer bags and try to start your car.


 source:http://www.carzy.co.in/blog/car-maintenance-tips/