I've got several packs, but they generally tend to live in the car ie one pack stays in my DEX210, one in my BMax etc. That means I normally use just the one pack each meeting.
However it is a good idea to have at least one backup pack in case something goes wrong. Doesn't happen often but better to be safe/
You don't need £100 packs. I've just ordered some Turnig Nano-tech 5100mAh 65C saddles from Hobbyking for £30 which will work fine. Lots of people running cheaper sourced packs at club meets, you just can't use them for regionals.
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Yz4 - Yz2
DEX210 - Cobra 4210- DEX410
RC10 Team - Manta Ray - RC10T
Mini Trophy - Blizzard - Wheely King
Tz4 - GT24B
BMRCC
Emergency back-up race controller
(but only if nobody better is available)
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