Just saw you can get a non-hardpack 6s 3700 20C Orion pack for €60 bucks - i.e. half the price of getting the two 3s hardpack Wolfpacks... Guessing you can't use non-hardpacks in cars?...

Wish I could just buy a straight-up 5s battery for €80-100 or so, instead of two 3s for €60 apiece..