Reply to "What to do when you buy a new to you MTH engine from eBay?"

First step: Pray hard.

Second step: Not having a charging port means it's a "5-volt" board. It may last for years, or for minutes. I would not invest in a supercap to replace the battery, because of the limited life expectancy of the 5-volt board. If the battery is white, replace immediately; actually, wouldn't hurt to replace it with a new battery

3/18/214:44 PM

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