


That is without considering any additional drains that may also impact battery life, too.Įven while your car is off, your battery provides power to things like the clock, the radio, and the alarm system, though these things shouldn’t have a major impact on its life. That may not sound a lot, but if we consider that a fully charged battery is at 12.72V - and a chemically discharged battery, at which point you’d struggle to start the car, is at 11.8V in just eight months of non-use - the battery could appear flat. Your standard lead-acid battery will naturally drain at 0.1V per month, even sitting on a shelf. Camera Icon Charging your battery regularly can prolong its life. If the fob is too close to your car, it can continue to communicate with it, which could needlessly drain the battery. Leaving your car key in your car overnight, or even on a hook near the car, is not recommended.
DOES BATTERIES PLUS REPLACE WATCH BATTERIES DRIVERS
Drivers should look out for any signs of change - like the way the car starts, or the operation of the electrical system in general - as these can be indications of a weak battery.

Over several short trips, your battery will soon be flat.Ī battery can lose as much as 35 per cent in performance when temperatures hit freezing, and up to 50 per cent if temperatures sink below that. On short trips, the alternator won’t have the time or capability to replace this charge. Nipping out on lots of short journeys, particularly in urban areas, drains the battery, as it takes 150-350A of battery power just to start the car.
