Both batteries only charged to 8.4 volts? ๐We shall see how long they last. My experience has been the rechargeable batteries charge a little higher than stated voltage. An one example example is *AA* rechargeable nicad batteries state that they are 1.2volts, with a fully charged maximum of 1.4volts. Most 3.7 lithium ion batteries top off at 4.2 volts on average. These supposed 9 volt batteries don't even reach their stated voltage metering out at 8.4 fully charged? Sending back for replacement to test and see if it's an inferior product.
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