Set of 4 Solar Charge Controllers: 2 MPPT + 2 PWM

Description

I have 4 functional solar charge controllers. 1 - Solar charge controller with MPPT technology, rated at 20, 40 or 60A maximum, featuring a multi-state display still protected by its original protective film; also supports Bluetooth or Wi-Fi communication with tablet/smartphone for monitoring photovoltaic panel status, battery status, and battery discharge when connected loads are drawing current; includes temperature sensor; like new, still in original box with invoice and warranty. 2 - Another MPPT controller, rated at 30A maximum, with display. 3 - PWM controller, rated at 10A maximum, supporting independent charging of two batteries simultaneously, even if they use different battery technologies; numeric LED display. 4 - PWM controller, rated at 100A maximum, very powerful, with multifunction LCD display. No interest in exchanges or buybacks. May be sold separately. Will not respond to inquiries regarding offers or details already described. Transaction in person in São João da Madeira. Travel distance charged per kilometer. Shipping possible with advance payment.