How to Wire Truck to Charge Camper Battery
Introduction: 12 Volt Battery Charge
To watch all these following steps in just 5:24 minutes, in a proper arrangement with neat and clean editing, see this video.
Step 1: Removing the Cover
Take the replaced battery and open its cover with the help of a screw driver or whatever you find comfortable.
Step 2: Removing the Inside Caps
These batteries are made up of six cells combined in series. Below the cover you will find six caps there. Remove all the caps out and pierce them to let allow passing the air/vapor out.
Step 3: Filling the Distill Water
Fill the distill water in all wholes equally. You have to use a normal distill water for this. You can buy this normal battery distill water from any phenol or acid sellers.
Step 4: Confirming the Battery Status
After filling the distill water (do not fill the holes full, fill each of the holes 70-80% only) refit all the pierced caps like before. By following these steps you can recharge even a fully dead battery like this.
Step 5: Current Required for Charging the Battery
To charge this battery, you need a power supply range between 13 to 15 volt and its current should be 1.5 ampere or more
Step 6: Connect the Charger to the Battery
Now connect the battery to the charger with the above mentioned power supply ratings.
Step 7: Battery Is Charged Now
To charge it properly you need to feed the above mentioned power supply for more than 5 hours. For some reasons I could charge it only for 3:15 hours. After charging if preforms like a new battery.
Step 8: Back Up Test
After charging it, I recorded a live back up test of this battery to know its real backup time.
I recorded the bulb's light intensity for five seconds after every ten minutes difference. I started the back up test at 3:00pm. After then notice the difference after every 10 minute delay.
If you want to see this presentation in a video, then click here.
Step 9: The Intensity of Light for 1st Ten Minutes...
Step 10: The Intensity of Light for 2nd Ten Minutes...
Step 11: The Intensity of Light for 3rd Ten Minutes...
Step 12: The Intensity of Light for 4th Ten Minutes...
Step 13: The Intensity of Light for 5th Ten Minutes...
Step 14: The Intensity of Light for 6th Ten Minutes...
Step 15: The Intensity of Light for 7th Ten Minutes...
Step 16: The Intensity of Light for 8th Ten Minutes...
Step 17: The Intensity of Light for 9th Ten Minutes...
Step 18: The Intensity of Light for 10th Ten Minutes...
Step 19: The Intensity of Light for 11th Ten Minutes.
Step 20: Finally the Over All Back Up Result Is Positive.
Now it is proved that for first 50 minutes the bulbs light intensity was very good. After that it goes poorer. One thing should be noticed here, that the bulb I used was an incandescent (having filament) bulb. If we use LEDs in place of this bulb then we can increase this back up just double or even more.
To watch this whole process in a very neat and clean video format, click here.
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How to Wire Truck to Charge Camper Battery
Source: https://www.instructables.com/How-to-Make-Use-of-an-Old-or-Rejected-Battery-With/