The BRCA are hardly at the forefront of technology with the '1C rule' then. At 2C, lifetime will be reduced, though not by that much.
I use (in 1/8) Hyperion batteries that are rated for 5C (and I've charged them at 3-4), and reports suggest that lifetime is not really reduced unless regularly charged at over 3C.
Trakpower did always say the 100 cycles in race conditions, 200+ in practice. Not 1000.
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