USB dual battery charger, for EN-EL14, EN-EL14a batteries.
USB dual battery charger, for EN-EL15, EN-EL15a, EN-EL15b batteries.
USB dual battery charger, for EN-EL25 batteries.
USB dual battery charger, for NP-95 batteries.
USB multi battery charger, for DB-110, LI-90B batteries.