*i edited this because i found the DJI battery i was using is the problem. it is simply not performing as well as my other DJi batteries, so i did another flight with the protek and confirmed the hyperion battery is actually giving a few more minutes.
224Wh/kg is very good for a high C battery. Would like to see a voltage graph on a typical long range flight
ok see below
although this battery by itself is a terrific performer, i had hoped for a little bit more out of it.
i charged it from 3.5v/cell to 4.35v/cell and it took 4900mah+. voltage per cell was within 0.02v of the dji battery (per the dji go app with the aircraft cooling fan on), so no issues there.
here are the airdata cell graphs. all of these are with the sunhans 3w amp on the aircraft.
here's the first actual flight test landing at 10% after 31 minutes 24 seconds
i thought maybe the
mavic 2 propellers might have hurt the performance, so i did it again with mavic platinum props
heres the 2nd flight test landing at 12% after 31 minutes 10 seconds
here's a comparison on the same DJI battery as the previous flight tests using a protek 4100mah
FORCED landing 10% 28 minutes 51 seconds
with any other dji battery than the one i used for this testing.. here is a typical flight for me using the protek 4100mah battery with the sunhans amp (and
mavic 2 props)
landing at 15% after 31 minutes 31 seconds - but that is with a lot of climbing and
2.5minutes flying into the wind in
sport mode.
i'm not 100% sold on the longevity of the proteks, so i'm still looking for other options.
my thoughts (i probably am not understanding much of what i'm about to get into, so please correct me where i'm wrong)
protek is advertised as 120c burst, but comes with 12awg leads which seem like they couldn't handle it. on the other hand, the hyperion G8 advertises 60c burst and comes with 10awg leads which seems more in line with the 30c discharge / 60c burst. furthermore, that hyperion advertises the actual discharge rating of 30c whereas protek does not mention the normal discharge rating is a concern.
protek makes no claims as to how many cycles they'll survive while hyperion while claims 90+% mAh capacity retention @300~500+ cycles.
lastly, putting money where their mouth is... the warranty - protek 90 days vs hyperion's one year.
Protek's warranty has the exclusion listed on the protek " Warranty will not cover items that have been modified." i'm glad hyperion's doesn't have that because i'm going to try to strip down this hyperion G8 as far as i can.