How To Charge Dead Or Discharged 12V Car Battery Using Automatic Charger | Optima Digital Mainainer

In this video, young mechanic Aiman will show you how charge dead or discharged 12V car battery using automatic battery charger. In this case, he will be using an Optima Digital 400 Performance Maintainer and Battery Charger.
Here are the #ᴬᴰlinks to tools, parts and accessories you may need to perform this repair:
1. amzn.to/3x2zMpI | Optima Digital 400 12V Performance Maintainer and Battery Charger - 150-40000
2. amzn.to/43tfTo7 | Electric SC1305 Fully Automatic Battery Charger and Jump Starter for Car, SUV, Truck, and Boat Batteries, 50 Amps, 10-Amp Boost Mode, 12 Volt, Black, 1 Unit
3. amzn.to/4alnTJU | NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter, 12V Battery Pack, Battery Booster, Jump Box, Portable Charger and Jumper Cables for 6.0L Gasoline and 3.0L Diesel Engines, Gray
4. amzn.to/4cEydPk | BT100 Car Battery Tester 12V Load Tester Automotive Alternator Tester Digital Charging Cranking System Tester for Car Truck ATV SUV Boat Yacht
Or Click on Amazon link here and search for what you need: amzn.to/3xIOsqg
By the way this is Uncle Lan Roslan Omar's Honda CRV SUV with special Connecticut vanity plate spelled Malaysia because he is Malaysian. He appears in my videos sometimes.
So What Are Automatic Battery Chargers?
Automatic battery chargers will stop charging and switch to a Maintain Mode (Float-Mode) once the battery is fully charged. Automatic chargers don’t impact battery life or safety as much as manual ones. But they shouldn’t stay connected for indefinite periods of time or as maintenance chargers.
Manual battery chargers on the other hand, charge the battery they’re attached to regardless of the battery’s charge level. They do not cycle or shut down by themselves. Instead, they’ll push current at the selected setting until you disconnect them from the charger.
If you’re using a manual battery charger, keep an eye on the ammeter as you charge. This will ensure you know when full charge is achieved.
You can also use a hydrometer or voltmeter to determine the level of charge. Stop the charging process as soon as the battery is fully charged. Failure to do so could result in battery damage, property damage, and even injury.
The Dangers of Incorrectly Connecting a Battery Charger:
What happens when a battery charger is connected the wrong way and the potential dangers associated with this mistake.
Reverse Polarity: When a battery charger is connected incorrectly, meaning the positive and negative terminals are reversed, it results in a reverse polarity situation. In a typical battery setup, connecting the positive charger lead to the negative battery terminal and vice versa can cause severe damage.
Reversing the polarity can cause the battery to discharge rapidly, potentially leading to overheating, leakage of harmful chemicals, or in some cases, an explosion.
Connecting the charger incorrectly can also damage the charger itself. Most modern chargers have safety mechanisms built in to prevent reverse polarity, but these measures are not foolproof.
Fire Hazard: One of the most significant dangers of incorrectly connecting a battery charger is the potential for a fire. The reverse polarity can cause a rapid discharge of energy, generating excessive heat.
Safety Precautions: To prevent these risks, always double-check the connections before plugging in a battery charger. Ensure that the positive charger lead is connected to the positive battery terminal and the negative charger lead is connected to the negative terminal. Follow the manufacturer's instructions carefully and use caution to avoid errors.
Is it possible to charge a dead battery to reverse polarity?
Yes. A fully discharged lead-acid battery can be reverse-charged, and you'd end up with battery with reversed polarity. It may measure 12.6 volts on a multimeter, but don't expect continued long life from that battery.
Thanks for watching, please check our other DIY auto repair tutorial & guide videos on EyeOnAiman's channel. Other cars Aiman have worked on includes Honda Accord, Civic, Insight, CR-V, Hyundai Santa Fe, Elantra and Toyota Prius Hybrid.
Obviously, Aiman's auto repair videos are mostly designed for entertainment purposes. Aiman is not a professional and not a certified ASE mechanic. The videos should always be used only as a guide.
You can watch all of Aiman's auto repair videos in the following playlist: • How To Remove Alternat...
This video is presented to you by Aiman-Imran Anuar. You can watch more of #Aiman_DIY_Auto_Repair videos on #EyeOnAiman RUclips Channel & Facebook Page.
Note: This video is NOT sponsored. Some product links are affiliate links which means if you buy something we'll receive a small commission. As an Amazon Associate we earn from qualifying purchases.
Recording Date: August 23, 2023
Video URL: • How To Charge Dead Or ...

[@EyeOnAiman]

Here are the #ᴬᴰlinks to tools, parts and accessories you may need to perform this repair:
1. amzn.to/3x2zMpI | Optima Digital 400 12V Performance Maintainer and Battery Charger - 150-40000
2. amzn.to/43tfTo7 | Electric SC1305 Fully Automatic Battery Charger and Jump Starter for Car, SUV, Truck, and Boat Batteries, 50 Amps, 10-Amp Boost Mode, 12 Volt, Black, 1 Unit
3. amzn.to/4alnTJU | NOCO Boost Plus GB40 1000A UltraSafe Car Battery Jump Starter, 12V Battery Pack, Battery Booster, Jump Box, Portable Charger and Jumper Cables for 6.0L Gasoline and 3.0L Diesel Engines, Gray
4. amzn.to/4cEydPk | BT100 Car Battery Tester 12V Load Tester Automotive Alternator Tester Digital Charging Cranking System Tester for Car Truck ATV SUV Boat Yacht
Or Click on Amazon link here and search for what you need: amzn.to/3xIOsqg