Does A Disconnected Car Battery Lose Charge. But in most vehicles once the battery is disconnected the cars computer memory clears. According to BMW a car battery should sit for four weeks without removing the battery.
The battery owner says Thats impossible unplugged battery losing chargeand wont exchange it. Your generator is drsibibg the battery even when its off. By keeping the battery disconnected during your absence for longer periods the battery does not drain and retains its life cycle.
This is the problem battery tenders were designed to overcome a very small float charge to offset the.
Your generator is drsibibg the battery even when its off. A 5-amp charger like the one I recommended above will charge a fully dead car battery in about 10-11 hours overnight and 2-amp maintainers will take 1-2 days depending on the size of your battery. I checked the voltage and it started at 113 and creeped up to 115 as I left the multimeter connected. While the battery drain doesnt seem like much it adds up over time and could get to the point where there.
