Kastar 3-Pack EN-EL4a Battery 11.1V 3200mAh Replacement for Nikon EN-EL4, EN-EL4a, EN-EL4e Battery, MH-21, MH-22 Charger, Nikon Camera D2, Nikon Camera D2H, Nikon Camera D2Hs, Nikon Camera D2X - Walmart.com
Amazon.com: Wasabi Power Battery for Nikon EN-EL4, EN-EL4a and Nikon D2, D2H, D2Hs, D2X, D2Xs, D3, D3S, D3X, F6 : Electronics
Amazon.com: Kastar 1-Pack EN-EL4a Battery 11.1V 3200mAh and AC LCD Dual Fast Charger Compatible with Nikon Camera D2, Nikon Camera D2H, Nikon Camera D2Hs, Nikon Camera D2X, Nikon Camera D2Xs Camera :
EN-EL4 EN-EL4a EN-EL4e Power Battery Charger MH-21 For NIKON D3x D3 D2X D2Hs F6 | eBay
2800mAh EN-EL4A ENEL4A EN-EL4 ENEL4 Camera Battery + AC Charger For Nikon D3S D2H D2Hs D3 D2Xs D2X D300 F6 D2Z D3X F6 Grip L15 - AliExpress