Watt hours = 641.40
Ah hours = 13.13
I repeat: These figures are very good considering the battery's about 18 months old. When it was new I tested it and got about 660 Wh. So the loss is only 2% or 3%.
That said, this battery (and the four others purchased at the same time: batteries #s 11 through 15) have a lot more voltage sag than batteries #s 1 through 10.
So, when the battery has used up about 40% of its energy the voltage sag is sufficient to cause the bike to stall out when accelerating from a standing start. To avoid stalling one must accelerate from a standing start very gingerly.
Odometer reading 10871 km.
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