Solar MPPT Controller, 100A — performance regulator for 12V/24V/36V/48V systems Key benefits Reliable MPPT charging that maximizes solar harvest and improves battery charging efficiency. Wide battery compatibility: works with sealed, gel, AGM, flooded, and lithium batteries and includes a lithium activation feature for easy setup. Robust build and cooling: diecast aluminum housing plus PVC components and an intelligent silent fan for effective heat dissipation and lower power loss. Scalable for larger installations: supports parallel connection of up to 12 units to increase total output and improve system reliability and management. Protects and extends battery life using a 3stage charging algorithm with bulk, equalization, and float stages to prevent overcharging. Main features Charging technology: MPPT for accurate maximum power point tracking. Rated charging current: 100A. Battery voltage range: 9 to 60 V. Operating system voltages: 12 V, 24 V, 36 V, 48 V. Maximum PV open circuit voltage: 160 V. MPPT tracking efficiency greater than 99 percent. Conversion efficiency up to 98 percent. Charging algorithm: 3stage charging including bulk, equalization, and float. Intelligent thermal design: diecast aluminum case and silent fan to reduce operating temperature and power consumption. Environmental operating range: temperature minus 35 to 45 degrees C; humidity up to 95 percent with no condensation; rated for operation up to approximately 3000 m altitude. Durable construction with aluminum alloy and PVC materials. Physical size: approximately 315 x 195 x 80 mm (12.4 x 7.68 x 3.15 in). Package contents 1 x Solar controller 1 x Temperature sensor 1 x Parallel terminal 4 x Screws 1 x Instruction manual Practical applications Recreational vehicles and motorhomes: reliable battery management for offgrid travel and overnight stays, optimizing solar input for longer battery life. Marine systems: compact, corrosionresistant construction and intelligent cooling make it suitable for boats and small yachts where efficient charging and quiet operation are important. Offgrid cabins and remote installations: current capacity and the option to parallel up to 12 units allow scaling for larger battery banks and energy needs. How to use Follow the included instruction manual for proper wiring, settings, and safety precautions. Select the correct battery type in the controller menu and use the lithium activation feature when connecting lithium batteries. Use the supplied temperature sensor for temperaturecompensated charging when recommended. For larger systems, connect up to 12 controllers in parallel using the parallel terminal following the manual instructions. Technical summary Item type: Solar controller Material: Aluminum alloy, PVC Rated charging current: 100A Size: approx. 315 x 195 x 80 mm Maximum PV open circuit voltage: 160 V Operating voltage: 12 V, 24 V, 36 V, 48 V Battery voltage range: 9 60 V Charging technology: MPPT Charging algorithm: 3stage (bulk, equalization, float) Conversion efficiency: up to 98 percent MPPT tracking efficiency: greater than 99 percent Temperature range: minus 35 to 45 degrees C Humidity: up to 95 percent, no condensation Altitude: approx. 3000 m This controller is intended for use in solar charging systems where efficient MPPT tracking, flexible battery compatibility, and scalable performance are required.