2017 Prime won't charge above 22% on engine revving

the engine should charge it to 80% in charge mode. can't you plug it in at the dealer, or ask them to before you get there?

 

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No, the Prime is designed with two battery "zones" HV and EV. Once the EV portion is depleted, the Prime turns into a normal Prius Hybrid and only utilizes the smaller HV zone. While there is a Charge Mode that uses the ICE to put electrons back into the EV zone, there are very few situations where you would want to use it because of the MPG hit. The typical way to fill the EV zone is to plug in.

 

You don't have a tall enough hill to recharge the pack @Tim_HI. If your serious about this, have the dealership plug it in. About 4.5-5.5 hours on 110VAC or 2.5 hours on a L2 charger.

Good Luck....

PS If you hold-down the EV/HV button; that'll put the car into "force charge mode". It'll take a while and will only charge the pack to 80%. Before you buy the car, make sure the car comes with the charging cable and spare tire change tools.

 

Last time I ran the drprius battery test in the Prime the test was not exactly what I'd call functional for the Prime. I was able to finish the test by running EV mode all the way to --- than switch to charge mode when the app wants the driver to charge the battery. When I run the test it was still winter and the charge mode charging section of the test only took a couple of minutes, nothing like running the same test in a regular Prius which the test was built to test.
My results from running the test were not very good - high 50's % - but it also took me a few tries to get the test to complete, so I was happy to have been able to at least get that far.
@sylvaing posted much better results when he ran the test, that also was good to hear that the test can actually be run and completed in the Prime even though following the instructions in the app for that test don't work in the Prime.

 

And when I questioned Dr Prius about the support for a Gen4 Prius, I got the following, so I didn't really believe in its result.

I don’t think Dr. Prius App is fully calibrated for the 2017 Prime yet, we only have a chance to work on the Gen1 plug-in Prius, we need to find a test car and calibrate it, FYI.

So I used Dr Prius to record a CSV of a drive I did that included hard acceleration and braking. I drained about 40% of the battery in that test. I plotted each cell voltage and the max difference between all the cells for all data samples. My result showed the battery was in good health, which is also evident by my battery still having 42 km of range.

@Tim_HI, if you want, record a long drive with hard acceleration and braking with Dr Prius (that red dot on the right of the screen) and attach it here. I'll plug it in my spreadsheet and send you the result.

 

Yeah I hear ya about the low score, but the app is not a good indicator as it's not setup for the Prime yet and might not ever be. We'll just have to wait and see if Jack can make it work on both the regular Prius and Prime.

Just curious how long the charge part (after the engine kicked on) of the test ran for the Prius and the Prime.
I thought I'd be waiting a good half hour while in charge mode but it only took 3 or 4 minutes to finish.