Introduction
The PCM2012/3012 Series is a compact and intelligent MPPT solar charge controller designed for small off-grid PV systems. With advanced Maximum Power Point Tracking (MPPT) technology, it maximizes solar panel efficiency by converting excess voltage into higher charging current for improved energy performance.
General Description
PCM2012/3012 controllers support 12V battery systems with 20A and 25A charging current options, delivering up to 200W and 300W power capacity respectively. With a maximum PV input Voc of 50V, the series is compatible with higher voltage solar panels commonly available in the market. Featuring a large LCD display, user-friendly controls, and advanced COM port functionality for calibration and firmware updates, these controllers are ideal for reliable and efficient small-scale solar applications.
High-Efficiency MPPT Technology
The built-in MPPT feature continuously tracks the maximum power point of solar panels, ensuring higher charging efficiency and better energy conversion compared to traditional PWM controllers.
Advanced Connectivity & Customization
A front COM port allows access to advanced functions including firmware updates, calibration, and customized charging voltage settings for Type 05 batteries using optional PC software and RJ45/RS232 cable support.
Compact Design with Smart Display
The controller comes with a large and easy-to-read LCD display, intelligent charging management, and a compact design, making it perfect for small off-grid solar systems requiring dependable performance.









