Morningstar Solar Charge Controllers - Standard (PWM) & MPPT

Sunsaver, SunSaver MPPT, ProStar, TriStar, TriStar MPPT, Relay Driver, SunKeeper, Dual battery controllers

The new TriStar MPPT 45 and 60 amp charge controllers are now in stock

Low Voltage Disconnect (LVD) - Do I need it?

Short answer is, probably not. LVD will disconnect the LOAD from the batteries if the batteries get too low (around 11 volts). About the only systems that normally use the LOAD terminals are places like remote and unattended sites, such as battery powered camera monitors or alarm systems. Those types of systems should have the LVD option, but most other systems - such as RV's, small cabin systems, any system that uses an inverter do not need it. It is usually a bad idea to run an inverter from the LOAD output, as surges can blow the controller.