Morningstar GenStar MPPT 100

Last updated: October 24, 2026

Morningstar GenStar MPPT 100
3.8/5#23 of 46 in MPPT solar charge controllers
3.8

For off-grid homes and remote sites that want one controller with full networking, a load output and Morningstar’s fanless reliability. Hard to justify for a simple RV or cabin system.

  • 100 ACharge current
  • 12/24/48 VBattery
  • 200 V maxPV input
  • 99%Efficiency
  • 5 yearsWarranty
Check price at Amazon$1,422Check price at NAZ Solar Electric$1,348

Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Handles about 8,000 W of panels on a 48 V bank, with room to oversize
  • Bluetooth, Ethernet and a built-in screen with no extra modules
  • A 30 A load output can run lights or other DC loads directly
  • Fanless, with a five-year warranty
Cons
  • Costs far more per amp than most MPPT controllers
  • Shunt, BMS and relay features are paid add-on modules
  • Heavy at over 14 lb

The Morningstar GenStar MPPT family

Every Morningstar GenStar MPPT model we rank, smallest first. Ratings compare each against its own type.

ModelCharge currentRatingPrice
Morningstar GenStar MPPT 6060 A3.8/5$992
Morningstar GenStar MPPT 8080 A3.8/5$1,172
Morningstar GenStar MPPT 100 (this one)100 A3.8/5$1,348

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model numberGS-MPPT-100M-200V
Charging
TypeMPPT solar charge controller
Charge current100 A
Battery voltage12/24/48 V
Lithium profileYes
Custom profileYes
Temperature sensorIncluded
Peak efficiency99%
Standby draw200 mA
Inputs
Max PV voltage (Voc)200 V
Max PV power (12 V)1,350 W
Max PV power (48 V)5,400 W
Monitoring and build
BluetoothBuilt in
DisplayYes
Load outputYes
Coolingpassive (fanless)
Water resistanceIP20
Dimensions360.4 x 222 x 170.2 mm (14.2 x 8.75 x 6.70 in)
Weight16.4 lb
Warranty5 years
Released2023-06

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