The product is a new 1450mAh battery specifically designed for Nokia 2660, 8210, 2760, and 2780 models. Why you need to change the battery？.
Battery for Nokia 2660 and 8210 2760/2780 BL-L4E Battery 1450mAh NEW
Brand new Replacement Battery For Nokia 2660 and 8210 BL-L4E 1450mAh 3.8V
new Replacement Battery For Nokia 2660 and 8210 BL-L4E 1450mAh 3.8V
New Nokia BL-4D 1200MAh Battery For Nokia N97 Mini E5 E7-00 N8 7500 PRISM 2660
