USB 2.0-to-Serial RS232 Provides an external plug-and-play RS-232 serial communication for computers, notebooks, and handheld computing devices that support the

Specification Input Voltage: 5-35V Rated Output Current: 3A Output Voltage: Continuously adjustable from 1.25 V to 30V Battery charging methods

Specification Input voltage range: 5 ~ 5.5V Charging cut-off voltage: (4.2v/4.35v) ± 0.5% Charging current: 2.4a ± 5% Boost output

The 3 Series 40A 18650 Lithium Battery Protection Board 11.1V 12.6V with Balance for Drill Motor Lipo Cell Module comes