Car batteries produce power through a chemical reaction. Cold temperatures slow that reaction significantly — at 32°F a battery loses roughly 20% of its capacity, while a cold engine demands more cranking power. The result: dead batteries on cold mornings.
1. Battery Was Already Weak
Cold weather does not usually kill healthy batteries — it kills batteries already on their way out. Have yours tested before winter if it is over 3 years old.
2. Parasitic Drain Overnight
Short trips in cold weather may not recharge the battery fully. A battery maintainer overnight helps prevent this.
3. Corroded Terminals
Corrosion adds electrical resistance. Clean terminals with a wire brush and baking soda solution.
4. Failing Alternator
If the alternator is underperforming, the battery never fully charges. Have the charging system tested.
5. Left Something On
Dome light, headlights, a USB port — small draws overnight in cold weather can drain a battery by morning.
Stranded? We Come to You.
JJBA Towing provides jump starts 24/7. Call (859) 413-4409 any time.
