How to charge 12v Car Battery

Its seen as good practice to connect the black wire second, and to connect it to some bare metal part in the engine. When disconnecting, you disconnect that black wire first.

How to Recharge Your Car Battery: Step-By-Step

Step 1: Find your vehicle's battery and locate the positive and negative terminals.

Most cars have their battery under the hood. The positive terminal is marked with a "+," and the negative terminal is marked with a "-." Sometimes the terminals are protected by plastic covers that need to be flipped out of the way. Other vehicles have their batteries in the trunk. In these instances, you'll often find a positive terminal to connect to. Use the car's under hood sheetmetal as the negative terminal. If you're struggling to find the battery and/or it's associated terminals, consult that handy owner's manual.

Step 2: Verify your battery charger is unplugged and turned off.

Before attaching the battery charger, it's important to verify no current is flowing through the charger before connecting it to the terminals on your vehicle. Unplugging the charger prevents sparks—which can be dangerous if your battery is leaking. Read the instructions that come with the battery charger, as each charger operates a little differently.

Step 3: Attach the battery charger to your vehicle's battery terminals.

Always start by attaching the charger's red clamp to the battery's positive terminal and then attaching the black clamp to the negative terminal. Give the clamps a little wiggle to ensure that they have a good connection to the terminals. For the greatest safety, keep the charger as far away from the battery as the cables allow.

Step 4: Plug the charger in and turn it on.

Some chargers identify the battery automatically once connected. Others need this information inputted manually. Once that's figured out, simply select the charging amperage you want. As a rule of thumb, higher amperage equals faster charge times, while lower amperage is slower. The reason to go the latter route is that it's more gentle on your vehicle's battery, which ought to extend its life.

Some chargers shut off automatically once the job is complete. Others don't, and may instead have gauges that let you know the battery's state of charge and/or when it's fully charged. Many battery chargers deliver two to six amps of current. At these rates, it can take several hours (or more) to recharge a dead car battery. Be sure to double-check the instructions that come with the charger to ensure you're operating it correctly.

Step 5: Disconnect everything once the battery is charged.

When the battery is fully charged, shut off the charger and unplug it. Then remove the cables, unhooking the negative (black) clamp first.



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[Carhow]

Hi,
its seen as good practice to connect the black wire second, and to connect it to some bare metal part in the engine. When disconnecting, you disconnect that black wire first.

Thank's for watching and comments

[computersales]

Instructions not clear invented perpetual motion. 🤪