Delkin DD/ENEL5 Rechargeable Battery Equivalent to Nikon EN-EL5 Up to 1100 mAh capacity Equivalent to Nikon EN-EL5 Compatible with Nikon Coolpix digital camera models 3700, 4200, and 5200 Compatible with Nikon Coolpix digital camera models 3700, 4200, and 5200 Rechargeable Lithium-ion battery