Car Battery Going Flat How To Check For A Drain. When the light goes out you found the draw. You might also check the alternator output just to be sure the.
If youre going to leave your electric car for a long time without topping it up Green Flag recommends you do so when the batterys 45-55 full and then charge it up when youre able to drive again. Reducing final time by 15-20 is a conservative way to estimate if you have an older battery. Httpwwwaskthemechaniccoukelectricalbattery-drainhtml If your car battery is going flat over night you need to check for a drain we show you two m.
You might also check the alternator output just to be sure the.
The simplest way to check for this without any meters is to disconnect the negative - battery terminal and see if it still goes flat overnight. While youre under the hood or at Advance Auto Parts test the alternator. Checking For Battery Drain with Current Clamp. You might also check the alternator output just to be sure the.
