USB to 9 Volts Charger Cable for DFS, CTS and DTS model.

An accessories charger cable that converts USB to 9 volts for the gauge.  It can be used with DFS, CTS, and DTS models.  This accessory replaces or complements the 9-volt charger/adapter included with the set.  It provides a flexible option to charge your Nextech force gauge with your personal USB charger or power bank. Specification: Voltage = Input USB 5 volts, Output 9 volts Amperage = between 500 mA - 1000 mA (1 A) Pin Outside diameter = 5.5 mm (The outer ring is the Negative terminal) Pin Inside diameter = 2.1 mm (The inner tip is the Positive terminal)