Recent content by kettaneh

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...