SLA battery charging.
I have few batery lying in the shelf. Not charged. Its sealed lead acid battery. that means its sealed. its miniversion of car vehicle batery. Generally 4 vollts are standard. So i have 500 ma - small batery, 1 amp and 2 amp batery. All just not charged , deep discharged.The previous usage experience is that i have to regularly charge it. But, could not find the commercial charger circuit.
There is very strange theories as we have used this batery system 100 years.Ohh baghdad battery ? Anyway i will be makinhg a simple charger circuit and one is fully charged then will constantly tripple charge it.
For amazement look at the battery which might have used for GOLD-electoplating the Egyptian idols and possible to light up lamps.
Have a look at the baghdad battery.
And i opened my SLA batery.
Need to get the distilled water and a syringe to fill it up. You have to reverse connect it. Then fast charge it. Trickle charge it. And use it and recharge it.
I have to buy the distilled water or use the rain water. yes, i have plenty of rain water. i collect it during rainy season and keep it in bottle for a year long use to worhip my gods idols. Water tastes good.
Today is 19/August/2019.
I saw a vedeo where a person was rejuvenated the big SLA battery with rain water and a professional charger. Used syringes. Topped water. About two injections it needed.
Anyways. I do not have charger , so I did use my bench power source and gave 12v directly to this battery. It measured 0.2 volt a very bad condition. But I knew it needed water . It was charging and suddenly I hear a pop up sound . I looked but There was nothing . Transformer was hot ! Battery was hot. Then after some time measured the battery voltage . It was 2.2 volts. then show that seal was open and water was bubbling! Ok due to gas pressure it opened. Then , found it removed other rubber cap. Let it charge. It’s heat intensive process so use fan ! Once it’s workinb is tested will let you know.
I have few batery lying in the shelf. Not charged. Its sealed lead acid battery. that means its sealed. its miniversion of car vehicle batery. Generally 4 vollts are standard. So i have 500 ma - small batery, 1 amp and 2 amp batery. All just not charged , deep discharged.The previous usage experience is that i have to regularly charge it. But, could not find the commercial charger circuit.
There is very strange theories as we have used this batery system 100 years.Ohh baghdad battery ? Anyway i will be makinhg a simple charger circuit and one is fully charged then will constantly tripple charge it.
For amazement look at the battery which might have used for GOLD-electoplating the Egyptian idols and possible to light up lamps.
 |
| baghdad batery |
 |
| baghdad batery |
Have a look at the baghdad battery.
And i opened my SLA batery.
Need to get the distilled water and a syringe to fill it up. You have to reverse connect it. Then fast charge it. Trickle charge it. And use it and recharge it.
 | |
| 2. Cover opened |
 | |
| 1.SLA batery |
 |
| 3. Bottle opened |
Today is 19/August/2019.
I saw a vedeo where a person was rejuvenated the big SLA battery with rain water and a professional charger. Used syringes. Topped water. About two injections it needed.
Anyways. I do not have charger , so I did use my bench power source and gave 12v directly to this battery. It measured 0.2 volt a very bad condition. But I knew it needed water . It was charging and suddenly I hear a pop up sound . I looked but There was nothing . Transformer was hot ! Battery was hot. Then after some time measured the battery voltage . It was 2.2 volts. then show that seal was open and water was bubbling! Ok due to gas pressure it opened. Then , found it removed other rubber cap. Let it charge. It’s heat intensive process so use fan ! Once it’s workinb is tested will let you know.
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