Nikon Coolpix 4500 Battery and Charger - Coolpix 4500 Digital Camera and chargers
Nikon Coolpix 4500 Digital Camera Battery Lithium-Ion (7.4V 850 mAh) - Replacement for Nikon EN-EL1 Battery - Walmart.com
Amazon.com: Synergy Digital Camera Battery, Works with Nikon Coolpix 4500 Digital Camera, (li-ion, 7.4V, 850 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL1 Battery : Electronics
2x 750mAh Nikon Camera Battery EN-EL1 NP-800
Amazon.com : Kastar 2-Pack Battery Replacement for Nikon Coolpix 4300 Coolpix 4500 Coolpix 5400 Coolpix 5700 Coolpix 8700 Camera and Nikon ENEL-1 EN-EL1 Battery : Digital Camera Batteries : Electronics