Lithium Polymer or Lithium Ion

Mike63

Esteemed Pedelecer
Oct 23, 2008
809
64
Hi...I'm looking to buy a bike...the battery is Lithium Ion but I see the newer models are Lithium Polymer.

Is there a big difference ?

thanks....Mike
 

flecc

Member
Oct 25, 2006
53,560
30,849
They are all lithium-ion Mike, polymer referring to a type of construction rather than the chemistry. Polymer batteries are lighter.

For a fuller explanation, I typed out the whole story in the battery FAQs:

Lithium battery names
.