Can You Leave A Car Battery Connected While Charging. It depends on the charger. A properly charged battery delivers enough to turn over a starter motor or to melt a steel bar put between the poles.
Many modern more expensive chargers fall into this. When the car starts turn off the engine of the charging car before disconnecting the cables. If you are curious google on it instead.
On any computerized car you can charge the weaker battery with the cables connected and the charging car running.
If you are curious google on it instead. On any computerized car you can charge the weaker battery with the cables connected and the charging car running. Begingroup A real-world example of a charging source delivering less current than the load sometimes requires. A 10 amp charger can cause damage to your car battery as it does not drop down the current to 2-3 amp after a full recharge.
