Does aniphone 6 battery fitintno an ihpone4

[iMore Question]

I need to switch batteries from my iphone 6 to my iphone 4

 

[Just_Me_D]

iPhone 4: 3.7 V, 5.3 Wh (1,420 mAh) Lithium-ion battery[5]

iPhone 6: 3.82 V 6.91 W?h (1,810 mA?h) Lithium-ion battery[9]

 

[Tartarus]

It will not fit. The iPhone 6 battery is too big for the iPhone 4