The ProFoto Car Charger 1.8A for B1 500 AirTTL from Lightbulb Rentals charges the B1's Lithium-ion battery from a car's 12V (cigarette lighter) accessory outlet in just 2 hours.
Quad Charger: Anton/Bauer, Gold Mount (14.4V Only)$30/day
V-Mount Battery: Hypercore Pro-X (98Wh, 14.8v)$20/day
Sony NP-FZ100 Battery (Z-Series)$5/day
Battery: Canon BP-A30$20/day
Anton/Bauer MPS Dionic 270 Gold Mount Battery (270Wh, 14.4V)$40/day
Dual Charger: V-Mount$15/day
CORE CXAM-15 Gold Mount Battery Plate for SONY FX3 (w Slide Function/ 2 PTAP)$10/day
Canon BG-E11 Battery Grip$29/day