New energy batteries do not guarantee power
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
A partially used battery will drain energy from a new one, reducing the total amount of battery power available. These questions and asnwers can be found here The trouble is that Duracell are likely (it''s in their interest) to put a less than glossy spin on mixing batteries but it''s hard to find a general answer that would contradict.