xxx I agree, but then the only option open to you is don't use a phone, because just about every modern phone known to man has a battery inside it, and invariably its Lithium-ion based.
The battery in any phone not just a P6a, may not combust today, or next week, month, year, or ever, but it has the potential to do so.
The moment my P6a shows any signs of battery problems (heat, swelling, poor charging, poor capacity )it will be mechanically shredded.