Different chemistry to the PD. LiNiCOMnO2. The PD has Lithium Nickel Cobalt Aluminium core and the PF has a Lithium Nickel Manganese Cobalt Oxide core. The PF chemisty should be better for longer high drain applications and should be less prone to damage over time.
The latest high drain 18650 li-ion cell released by Panasonic!
New generation of NCR18650PD!
Maximum 10A constant discharge current!
1. Minimum Capacity: 2750mAh (0.54A discharge at 20°C)
2. Typical Capacity: 2900mAh (0.54A discharge at 20°C)
3. Nominal Voltage: 3.6V
4. Discharge End Voltage: 2.5V
5. Standard Charging Current: 1.35A
6. Charging Voltage: 4.20±0.03V
7. Standard Charging Time: 4.0hours
8. Max. Continuous Discharging Current: 10A
9. Internal Resistance: less than 35mΩ
10. Weight: less than 47.0g
it just shows that any improvement they can make they will and panasonic is staying busy in the R&D dept
Have you gotten ahold of the PF's yet Larry?
Anyways, Larry is reputable and supporting a member is always a good idea. He only sells genuine cells. +REP for making quality Panasonic cells available to our members