In some situations, removing the connectors is the only option to access the battery terminals. If you plan to use alligator clamps, evaluate whether there is enough terminal exposed to attach the clamp safely. If you are using the O-ring connectors for a permanent tender installation, follow the manufacturer’s instructions for correctly attaching them. Step 2: Open the hood and determine how you’ll attach the clamps. If the car is on, attaching the charger’s clamps could cause serious issues, including shocks and other injuries. This is especially important when charging a battery that’s still connected. Step 1: Ensure that the vehicle is turned off and that the keys are not in the ignition.
How to charge a car battery while still connected If you see any white build-up or powder on the terminals or connectors, clean it away with a hard brush, and see if your battery’s operation is restored to normal. Corrosion can prevent a charge from getting into and out of the battery.
If they’re normal brightness, the battery and alternator are functioning correction.
If you see any, you should replace the battery rather than charging it. Also, make sure you inspect the battery for splits or acid leaks before charging. This includes charging in a well-ventilated area and avoiding direct sunlight that could overheat the battery and accelerate its charge. Smart battery chargers are the safest option for this purpose.įinally, make sure you’re following other safety guidelines associated with charging a battery. The good news is, any trickle charger, jump starter, or battery maintainer designed for a car will fall below this benchmark. Don’t use a power supply that exceeds 14.7 volts at any point during the charging process.
You should also be careful about the charger’s voltage. First of all, it’s advised that you wear safety gear, including both gloves and eye protection when charging a battery still connected to a vehicle. There are a few simple steps you can take to make sure you’re charging your battery safely. Charging a car battery while still connected can have unexpected consequences