Keywords: En-el4.jpg en wikipedia 2012 January 8 This is the retail packaging for the Nikon EN-EL4 Battery Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User FSII using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2006-12-30 Original uploader was BetaOp9 at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia BetaOp9 Original upload log page en wikipedia En-el4 jpg 2006-12-30 07 11 BetaOp9 264×350× 54055 bytes <nowiki>This is the retail packaging for the Nikon EN-EL4 Battery </nowiki> 2006-12-30 07 01 BetaOp9 532×800× 207455 bytes <nowiki>This is the retail packaging for the Nikon EN-EL4 Battery </nowiki> Nikon batteries Lithium-polymer batteries |