Nikon 7.4V 1150mAh Digital Camera Replacement Battery - CAM10409 at Batteries Plus
7.2V 2000mAh EN EL9 Battery+DC15 Car Charger for Nikon D40 D40X D60 D3000 D5000 Digital Camera as EN EL9A Batteries Replacement|Digital Batteries| - AliExpress
Nikon Genuine Original MH-23 Li-ion Battery Charger For EN-EL9 ENEL9 D60 D40 D40X DSLR Digital Camera Brand New Quick Charger
Nikon D40X battery: what are the options?
Nikon D40X DNI200 1150 mAh Digital Camera Battery - BattDepot United States
Amazon.com : Wasabi Power Battery (2-Pack) and Charger for Nikon EN-EL9 and Nikon D40, D40x, D60, D3000, D5000 : Digital Camera Batteries : Electronics
ZEDWELL Camera Battery Charger US/EU Plug For Nikon P7000 P7100 D5200 D5100 D3100 - Walmart.com
2x Pack - Nikon D40X Battery - Replacement for Nikon EN-EL9 Digital Camera Battery (1300mAh, 7.4V, Lithium-Ion) - Walmart.com
Amazon.com : Wasabi Power Battery for Nikon EN-EL9 and Nikon D40, D40x, D60, D3000, D5000 : Digital Camera Batteries : Electronics