If I win I'll try to take a snap shot of the voltage sag & possible fire of a Max Cramps pack loaded to their "C" rating 6.5 x 150 = 975amps.
My "big" meter will take 1000a DC for 10 seconds.
Lets see their "true C ratings"
This should generate 8190 watts, at 0.00862 ohms.
If Max Cramps truly has a "Lifetime Warranty" this should fit with in the scope of their ratings and warranty.