The Yuasa NPW45-12 12V 8.5Ah battery is a high-quality sealed VRLA AGM battery, designed to deliver reliable and consistent power for alarms, emergency systems, medical devices, toys, and backup power units (UPS).
The Arduino Uno is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs) and 6 analog inputs.
