Replacement Battery For Nikon ENEL8

the Nikon EN-EL8 is a rechargeable lithium-ion battery used in various Nikon cameras.
 
It offers an ultra-high capacity of 850mAh and is compatible with Nikon Coolpix S1 and S2 cameras, as well as Kodak KLIC-7000. 

Typically more affordable than the original battery.

Widely available

Some may even offer higher capacities (mAh) for extended shooting times.