The Nikon EN-EL3e Rechargeable Lithium-Ion Battery from Lightbulb Rentals provides 7.4V, and can store 1410mAh of power - that translates into over 200 shots on a charge. The battery is compatible with Nikon D50, D70, D70s, D80, D90, D100, D200, D300, D300S, and D700 SLR Digital Cameras.
Anton/Bauer Tandem-70 On-Camera AC Power/Charger$30/day
Battery: Hyper Core Pro-X, Gold Mount (150w)$30/day
Profoto Car Charger 1.8A for B1 500 AirTTL$5/day
Sony NP-FW50 Battery (W-Series)$6/day
DJI TB-50 Smart Battery$30/day
Gold Mount Battery Plate for FX3 (15mm)$10/day
BlockBattery SLI – 600 D$100/day
Nikon EN-EL 14 Battery Charger$15/day