Lithium ion polymer (lithium polymer)

Positive characteristics

• No voltage depression (“memory” effect).

• Even higher storage density than lithium ion (up to 300% of NiCd storage density).

• Doesn't have to be in a cylindrical shape.

• Environmentally friendly.

Negative characteristics

• Must not be over discharged.

• Reduced capacity under heavy loads (Peukert Effect).

• Can be recharged “only” a few hundred times (less than NiCd or NiMH).