This is Mini UPS using IC CD4047 Electro Suite, UPS (Uninterruptible Power Supply), is used to cope if the electricity goes out. Although not reliable as the original UPS, the circuit is a bit meaningless.
CD4047 Mini UPS
Posted By ElectroSuite.com on Thursday, August 18, 2011 | 11:02 AM
Blog, Updated at: 11:02 AM
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