However, the rate of drop will be lower as fully charging the battery won't clear off all of the sulfate.Ħ. Batteries still sulfate even if charged regularly and as such will drop in capacity over time regardless. A study done by a major car OEM in Europe found that the vast majority of batteries returned for warranty issues were actually fine meaning that the battery was probably not charged.ĥ. The vast majority of people who reported early battery deaths were probably not charging their batteries regularly with an external charger as the vast majority of people who own cars don't charge the batteries with an external charger.Ĥ. A clear example of heat damage batteries are UPS batteries where they are typically charged all of the time but only have a 3 to 4 year life span (even if they aren't discharged) due to the heat in the UPS causing the electrolytes to evaporate.ģ. Heat is the main killer of batteries while cold exposes weak batteries - ie heat damages batteries while cold shows you it's damaged. The standard car battery prefers being fully charged rather than undercharged.Ģ.
There are plenty of people out there who without doing anything to the battery, last them 8+ years while others replace their battery under warranty (ie under 3 years). Browsing through these threads, it seems like 5-6 yrs is "a norm" and people have said to just replace it once it reaches past 6 yrs?Īre we talking new battery? Also how it's used? A bit confusing but just posting for thoughts. But yet, as someone just posted, his lasted 8 yrs. I read in the internet that if it lasts over 6 yrs, consider yourself lucky. If one charges battery diligently (at least weekly to bi weekly), but nothing else (I could not find any cap/areas where I can add battery water), how long, realistically, should we expect a battery to last before it dies out?
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