If you are interested in background see:
HRX217HZA - Starting and Charging and other questions.
So as you may know later models of the HRX with electric start have a charging system and do not require the battery be charged, the battery, housing and wiring is different. Some research indicates...
I have a HRX2173HZA (MAGA - 2077102) which I bought new in 2013 (May I think).
I thought it was the current model at the time.
I remember at the time reading references to some but not all of these actually charged the battery while running and am wondering it this one does. (Or even if that...