Hello,
I have a question, How can I calculate the working time for the following scenario:
I have 12V 7.2AH LEAD ACID SLA DEEP CYCLE BATTERY
Then I used DC 12V to AC 220V Power Inverter USB 1000W to give me AC
I connected one 100w lamp .. For how long it will work ? how can I...
Hello Schip666!
Thank you very much for taking time and answering on my questions.
1- it is very clear now .. this is why when I checked cheap 12v DC converters, most of them were 14+v !
2- I am searching more on it .. you helped me
Regards,
Kettaneh
Hello,
I have few questions about batteries and AC->DC adapters
1- in AC-DC converter:
if I have a device required 12v and 1amp .. will it hurt the circuit if I connect 12v but more amps ? I heard it draw only required currents .. is that true ?
2- in batteries:
why when we buy...