Haven't used my Spark in 20 days now (longest period yet!).
Directly after i used it one hour August 25th the voltage on the battery was 13,1 volt (100%).
The next day 13,0 volt (100%).
A week later 12,8 volt (100%).
Two weeks later 12,6 volt (90%)
Now 20 days later it's at 12,4 volt (60%).
Directly after i used it one hour August 25th the voltage on the battery was 13,1 volt (100%).
The next day 13,0 volt (100%).
A week later 12,8 volt (100%).
Two weeks later 12,6 volt (90%)
Now 20 days later it's at 12,4 volt (60%).