I am trying to create battery charger using this circuit below. However based on the multimeter output it shows that the voltage generated from the circuit is about 220 volt. However when i connect it to the battery the increment the battery gets is only 0.002 volt from 2.46 volt to 2.46. So this lead to the thinking that although the AC produce 220 volt but when there is load being attached to it then it will reduce according to the voltage required by the object connected to it. To confirm this i have test light bulb that is using 240, 220, and 230 volt they also light up. This seems to confirm that the voltage apply to the object is based on its power rating i.e. voltage, amp.
Please advise if am i missing something here because i don't quite 100% certain about my thought. Thank you
Please advise if am i missing something here because i don't quite 100% certain about my thought. Thank you