Why Does A Car Battery Lose Its Charge. All batteries self discharge when left unused even the AA batteries in your drawer. Do this get a battery charger for your car charge the battery and when its done measurerecord the voltage when the battery is disconnected from the car and connected to the car.
Why does the Tesla battery drain while parked. A battery will not lose its charge sitting in storage. Depending on the type of battery it has natural self-discharge or internal electrochemical leakage at a 1 to 15 rate per month that will cause it to become sulfated and fully discharged over time.
One significant reason why a car battery wont hold a charge is age.
When your car is not in use keeping a battery charged is difficult because the alternator doesnt have the opportunity to do its job. Depending on the type of battery it has natural self-discharge or internal electrochemical leakage at a 1 to 15 rate per month that will cause it to become sulfated and fully discharged over time. The optimum charging voltage for a battery is 14 volts. What causes a car battery to run out quickly.
