Promaster ProMaster EN-EL4A Battery - Nikon D3, D3x, D3S, D2H, D2Xs, D2HS - ASAP Photo and Video
Dual Battery Charger for Nikon D2Hs, D2Xs, D3, D3X, EN-EL4, EN-EL4a, E – SMAVtronics
Amazon.com: Kastar EN-EL4a AC LCD Dual Fast Charger Compatible with Nikon Camera D3, Nikon Camera D3S, Nikon Camera D3X, Nikon Camera F6 : Everything Else
EN-EL4a Battery - Battery Age and Calibration: Nikon FX SLR (DF, D1-D5, D600-D850) Talk Forum: Digital Photography Review
Nikon D3 Performance: Shooting
EN-EL4 EN EL4 EL4a EN-EL4a Battery and Fast Charger for Nikon D3S, D3, D2Z, D2H, D2Hs, D2X, D2Xs, D3X, F6 cameras _ - AliExpress Mobile
Nikon D3 Performance: Shooting
Original Battery Charger AC Adapter MH-21 For Nikon D2Hs D2X D2Xs D3 D3S D3X | eBay
Original EN-EL4a Battery Charging Quick Charger MH-22 For Nikon D3 D3S D3X D2X | eBay
Amazon.com: Kastar EN-EL4a AC LCD Dual Fast Charger Compatible with Nikon Camera D3, Nikon Camera D3S, Nikon Camera D3X, Nikon Camera F6 : Everything Else