Can You Use A Trickle Charger On A Car Battery. You should not have a problem as long as you charge at a low rate and do not turn on the key while charger is on. If you have a bad battery and need to put the charger on high then I would recommend disconnecting the battery.
Some articles state to connect the ground lead to some part of the vehicle ground system and not the battery. Read Our In-Depth Guide. If you want to use a trickle charger then you must decide between using a manual charger or an automatic one.
You can wire in a Ctek plug on the car so disconnects from the unit take a second.
When you charge the battery after depleting this chemical process the incoming power changes the lead sulfate into lead dioxide again. You can even leave some smarter trickle chargers for days or weeks at a time but its best to check with the manufacturer if this is suitable. If you have a bad battery and need to put the charger on high then I would recommend disconnecting the battery. The former is not the most advanced type of trickle charger whereas the latter is a very advanced type that can switch on and then switch off depending on whether the battery is well charged or low on energy.
