sony bc-trx battery charger open box never been used

Description

The
Sony BCTRX Battery Charger
is a portable battery charger that iscompatible with Info-Lithium X, G, N, D, T, R, and K-series battery packs. Itis capable of fully charging a battery in as little as 90 minutes and itfeatures a retractable plug and compact design for traveling.
SONY website says that the BC-TRX BatteryCharger is compatible with seven types of battery, including NP-BX1, NP-BN1,NP-BN, NP-FG1/BG1, NP-FD1/BD1/FT1, NP-FR1 and NP-BK1.SONY lists your battery tobe a NP-FW50
Shipped with USPS First Class.