The BC-ZD1 Dual-Battery Charger for NP-FZ100 Batteries from Sony is an ideal and efficient way to charge two high-capacity NP-FZ100 batteries simultaneously, assuring you have ample power for use at events or in applications that require continuous operation over extended periods of time. The BC-ZD1 can fully charge two battery packs in 155 minutes using a separately available USB-C charger.