The Solarmax NT30 is a 30A PWM solar charge controller designed for automatic 12V or 24V off-grid systems. It features a digital LCD screen, dual USB outputs (5V), and built-in protections against overcharging, reverse polarity, and short circuits to help extend battery life.

Key Specifications

Rated Current: 30A charge and load currentSystem

Voltage: 12V/24V auto-recognition

Charging Technology: PWM (Pulse Width Modulation)USB

Output: 5V / 2A (or up to 3A depending on the sub-revision)

Overcharge Protection: 14.4V (28.8V for 24V)

Float Charge: 13.7V (27.4V for 24V)

Core Features

• LCD Display: Shows real-time system status, voltage, and load settings.

• Automatic Protections: Guards against reverse polarity, short circuits, overloads, and low voltage disconnect.

• Temperature Compensation: Adjusts charging parameters automatically for changing weather.

Installation Order

1. Connect the battery to the controller first.

2. Connect the solar panels second.

3. Connect the DC load last ((Always disconnect in the reverse order).