MPPT110D WiFi 12V 24V Auto MPPT Solar Charge Controller Overview A programmable MPPT solar charge controller designed for 12V and 24V battery systems with automatic voltage recognition. Fast and accurate maximum power point tracking, configurable battery profiles, and WiFi connectivity for monitoring make it suitable for off grid solar setups, RVs, boats, and remote power applications. Key benefits Fast, accurate MPPT tracking: Proprietary algorithm locks the MPPT point within 10 seconds with over 99 percent tracking accuracy and peak conversion efficiency up to 98 percent. This improves energy harvest from PV arrays. Broad battery compatibility: Supports user default, sealed, flooded, GEL, LiFePO4, and generic lithium battery types with programmable charge parameters. Flexible system voltage: Automatically recognizes 12V and 24V systems and accepts solar panel open circuit voltages up to 100V. Clear status and monitoring: Built in LCD with wide operating range and WiFi capability for remote monitoring and configuration. Robust operating range: Wide temperature and storage limits plus protection class IP30 for indoor installations. Key functions and performance System rated voltage: 12V 24V auto Battery recognized voltage range: 9V to 32V Max PV open circuit voltage: 100V MPPT performance: locks MPPT in 10 seconds, tracking accuracy greater than 99 percent, peak conversion efficiency 98 percent Static current draw: 45 mA at 12V, 37 mA at 24V voltage disconnection: 16V Discharge loop voltage drop: 0.16V Light control activation voltage: 5V Temperature compensation: 4 mV per C per 2V at 25C LCD operating temperature: 20 C to +70 C Controller operating temperature: 20 C to +55 C Storage temperature: 30 C to +80 C Working humidity: 90 percent, no condensation Protection class: IP30 Grounded type: Positive grounded Battery charging set points and timing Equalize charge Maintenance lead acid: 14.6V GEL: not applicable Flooded lead acid: 14.8V Duration: 2 hours Absorption charge Maintenance lead acid: 14.4V GEL: 14.2V Flooded lead acid: 14.6V Duration: 2 hours Float charge Maintenance lead acid, GEL, Flooded lead acid: 13.8V Low voltage reconnection LVR Maintenance lead acid, GEL, Flooded lead acid: 12.6V Low voltage disconnection LVD Maintenance lead acid, GEL, Flooded lead acid: 10.8V Connections and wiring Terminal wiring capacity: 10 mm2 for smaller units, 16 mm2 for larger units (approximate equivalents 7 AWG and 5 AWG) Positive grounded type Low voltage drop across discharge path: 0.16V Available unit sizes and mounting Option A Dimensions: 155.5 x 127 x 42.5 mm Hole size for installation: 117 x 100 mm Mounting hole diameter: 5 mm Terminal wiring: up to 10 mm2 Net weight: 0.360 kg Option B Dimensions: 174.5 x 145 x 50 mm Hole size for installation: 135 x 110 mm Mounting hole diameter: 5 mm Terminal wiring: up to 10 mm2 Net weight: 0.525 kg Option C Dimensions: 195 x 160 x 60 mm Hole size for installation: 150 x 120 mm Mounting hole diameter: 5 mm Terminal wiring: up to 16 mm2 Net weight: 0.835 kg Option D Dimensions: 215.5 x 174 x 65 mm Hole size for installation: 164 x 160 mm Mounting hole diameter: 5 mm Terminal wiring: up to 16 mm2 Net weight: 1.125 kg Use scenarios Off grid home or cabin solar system: Optimize panel output and charge a bank of sealed, flooded, or GEL batteries with programmable charging stages and temperature compensation. Mobile power for RVs and boats: Automatic 12V 24V recognition, compact footprint, and low standby draw preserve battery state of charge while maximizing energy harvest. Remote telecom or monitoring sites: Reliable MPPT tracking and WiFi monitoring help maintain remote battery health and provide data for maintenance scheduling. What makes this controller stand out Rapid and accurate MPPT algorithm that increases energy harvest from solar arrays Configurable charging profiles for common battery chemistries including LiFePO4 and lead acid variants Wide environmental tolerances and compact installation options to fit many system sizes Clear raw specifications for voltage limits, charge set points, and physical dimensions to simplify system design and wiring Specifications summary Rated system voltages: 12V 24V auto Battery voltage range: 9V 32V Max PV Voc: 100V MPPT accuracy: greater than 99 percent Peak MPPT conversion efficiency: 98 percent Static loss: 45 mA at 12V, 37 mA at 24V Protection class: IP30 Grounding: positive grounded Operating temperature: 20 C to +55 C Storage temperature: 30 C to +80 C This MPPT110D WiFi controller is suited for a broad range of small to medium solar systems where efficient MPPT tracking, flexible battery support, and reliable charging control are required.