Here is a 12 volt lead acid automatic battery charger that shut off the ... For charging purpose, 18 volt DC is used while to power the circuit, 9 volt regulated DC from IC1 is used.

Filename	Size	Update
Battery Charger Altium Files\__Previews	0	2016-03-13
Battery Charger Altium Files\__Previews\BatteryCharg.SchDocPreview	35833	2016-03-13
Battery Charger Altium Files\__Previews\PCBCharger.PcbDocPreview	21503	2016-03-13
Battery Charger Altium Files\BatteryCharg.SchDoc	83456	2016-03-13
Battery Charger Altium Files\BatteryCharger.PrjPcb	41152	2016-03-13
Battery Charger Altium Files\BatteryCharger.PrjPcbStructure	54	2016-03-09
Battery Charger Altium Files\LM317T.PcbLib	103424	2016-03-09
Battery Charger Altium Files\LM317T.SchLib	4608	2016-03-09
Battery Charger Altium Files\LM3420.PcbLib	101376	2016-03-09
Battery Charger Altium Files\LM3420.SchLib	5120	2016-03-09
Battery Charger Altium Files\PCBCharger.PcbDoc	644608	2016-03-13
Battery Charger Altium Files\PCBCharger.PcbDoc.htm	4747	2016-03-13
Battery Charger Altium Files\PCBHeader.PcbLib	98816	2016-03-11
Battery Charger Altium Files\PCBHeader.SchLib	4608	2016-03-13
Battery Charger Altium Files\PHeader.PcbLib	98304	2016-03-11

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