New 18650 battery at best show capacity of 3600HPQ 18650 battery using Gen 3 unoptimized silicon with graphite still retain capacity above 3600 after 300 cycle is amazing. If retention is above 500 will be mind blowing. You have to understand battery above 80 percent is still solid. I can see this batteries retain 80 percent capacity after 2000 cycles. We will big news coming very soon God willing.