HOW TO FIX VOLTAGE ISSUE WITH MAKESKYBLUE 60A MPPT Solar Charge Controller with Wifi function

60A MPPT Solar Charge Controller
100% MPPT controller
Intelligent Maximum PowerPoint Tracking technology
Built-in DSP controller with high performance
Automatic battery voltage detection 12V/24V/48V
Three-stage charging optimizes battery performance
Multi-function LCDs
Output limited current protection
Overcharge protection
Over-temperature protection
Easy to be mounted on the wall
No need for an extra device to be in parallel
No limited quantity to be in parallel
Suitable for battery types of sealed lead acid, vented, and Gel battery