a few electronics questions!!!!!!!?
hey there all the experienced electricians:
1) i have a 6v 4.5ah sealed rechargeable lead battery. how can i SAFELY recharge it without an expensive Commercial charger? i have access to transformers, aswell as 6v solar pannels. will these work? what voltage and amperage will i need?
2) how can i raise the voltage of an output?
3) do resistors lower voltage, amperes, or both?
1. You can charge it with a DC supply, if you have a transformer with a secondary of more than 6 volts and some rectifiers, and the proper resistor to limit the current. The 6 volt solar panel won’t work, you need at least 7-8 volts. BUT, without a reliable means of detecting the state of the charge of the battery, you run the risk of overcharging it and damaging it. There are lots of articles on charging lead acid batteries on the internet, read a few of them.
2. need more details. What kind of output.
3. They can lower voltage or current or both or neither, it depends on the circumstances and how they are used.
.
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