need help with dc power supply - GSM-Forum

djxyt · 06-19-2015, 04:22

i want to check phone without battery. i try to use a dc power supply (psu) and i tested galaxy s2 i9100 i put the voltage on 3.7v and 1.65a just like its says on the battery. the phone powers on but after the loading screen its syas low battery and shut down what am i doing worng? please help and ps the phone work great with the battery i just want to know how to test phones with out battery

blpp · 06-19-2015, 05:07

dc power supply is not a perfect solution its for checking purpose only change voltage to 4.0 and try again

djxyt · 06-19-2015, 05:20

Quote:

Originally Posted by blpp

dc power supply is not a perfect solution its for checking purpose only change voltage to 4.0 and try again

first thank you very much for the replay. i set it to 4.0v and it worked longer then before but still after a minute its shut down by itself. can you explain why please?

blpp · 06-19-2015, 07:50

A full charge battery give you average 4.30 V and in battery you have three or four terminal for mobile perfect frequency voltage and current but in dc machine you have only + and - not bsi

06-19-2015, 04:22	#1 (permalink)
djxyt Junior Member Join Date: Jul 2014 Posts: 2 Member: 2220125 Status: Offline Thanks Meter: 0	need help with dc power supply i want to check phone without battery. i try to use a dc power supply (psu) and i tested galaxy s2 i9100 i put the voltage on 3.7v and 1.65a just like its says on the battery. the phone powers on but after the loading screen its syas low battery and shut down what am i doing worng? please help and ps the phone work great with the battery i just want to know how to test phones with out battery

06-19-2015, 05:07	#2 (permalink)
blpp Insane Poster Join Date: Sep 2013 Location: Didwana Posts: 83 Member: 2015492 Status: Offline Sonork: 100.1658476 Thanks Meter: 16	dc power supply is not a perfect solution its for checking purpose only change voltage to 4.0 and try again

06-19-2015, 07:50	#4 (permalink)
blpp Insane Poster Join Date: Sep 2013 Location: Didwana Posts: 83 Member: 2015492 Status: Offline Sonork: 100.1658476 Thanks Meter: 16	A full charge battery give you average 4.30 V and in battery you have three or four terminal for mobile perfect frequency voltage and current but in dc machine you have only + and - not bsi