The Ducame EN-EL19 Lithium-Ion Battery is a rechargeable battery for the Nikon Coolpix S3100 & S4100 cameras. Lithium-ion batteries will not suffer from the adverse memory effects that are normally associated with other battery types.
Specifications
Chemistry Lithium-Ion Capacity 3.7V Output Voltage 3.7V Dimensions Not Specified by Manufacturer Weight 0.8 lb (363g) (approx)
Reviews Ducame EN-EL19 Lithium-Ion Battery (750mAh) for Nikon Coolpix S2500 and S3100 Digital Camera