^ I meant modern. That is a rare exception, 10-20+ years ago IIRC. Can you list any current, or even last half decade, cordless consumer/contractor grade tools that have 18650, LiFePO4 in them? Even an example, is going to be the small minority.
Most pouch pack (assuming that is what you are referring to in "newer flat style") Li-Ion cells used in consumer devices aren't LiFePO4 either. LiFePO4 is barely ever used in consumer grade products today except for things like vehicles and power (solar) storage where they have to withstand more recharge cycles, being more important than higher power density.
Most pouch pack (assuming that is what you are referring to in "newer flat style") Li-Ion cells used in consumer devices aren't LiFePO4 either. LiFePO4 is barely ever used in consumer grade products today except for things like vehicles and power (solar) storage where they have to withstand more recharge cycles, being more important than higher power density.
