Amazon.com : 2x Pack - Nikon EN-EL9 Digital Camera Battery and Charger Replacement with Car & EU Adapters (1300mAh, 7.4V, Lithium-Ion) - Compatible with Nikon D3000, D5000, D40, D60, D40X, EN-EL9, EN-EL9a,
Nikon EN-EL9A Battery Rechargeable lithium ion battery for select Nikon digital SLRs at Crutchfield
Amazon.com : Nikon EN-EL9 Rechargeable Li-ion Battery for Nikon D40 and D40x Digital SLR Cameras : Electronics
Kastar 2-Pack EN-EL9a Battery Replacement for Nikon EN-EL9 EN-EL9a Battery, Nikon D5000 SLR Digital Camera, D40 SLR Digital Camera, D40X SLR Digital Camera, D60 SLR Digital Camera, D3000 SLR Camera - Walmart.com
Amazon.com : STK EN-EL9 EN-EL9a Battery Replacement for Nikon D3000, D5000, D40, D60, D40X : Digital Camera Batteries : Electronics
Genuine Original Nikon EN-EL9 Lithium Ion Battery Pack and MH-23 Quick Charger | eBay
HL-EL9a (EN-EL9)
Amazon.com : Nikon EN-EL9 Rechargeable Li-ion Battery for Nikon D40 and D40x Digital SLR Cameras : Electronics