↑Solar Panel Battery Regulator MPPT Solar Charge Controller 20A For Acid Li.

Feature: \n 1. High Efficiency: Adopting advanced MPPT maximum power point tracking technology, the solar charge controller tracking efficiency reaches about 99%, with DC to DC conversion efficiency is about 93%.\n2. APP Monitoring: The solar charge controller has Bluetooth function, allowing you monitor and adjust the controller parameters in real time through mobile phone APP.\n3. Heat Dissipation Structure: The whole machine is made of integrated shell with multi heat dissipation slots, fully covered with sealed thermal glue for completely water resistant.\n4. Versatility: Universal for 12V-24V system, default is 12V-24V adaptive system, you can also lock the 12V or 24V system, enhance system stability, reduce error operation. You can edit the battery charging and discharging voltage, and the discharge mode is adjustable.\n5. Multi Stage Design: Adopt 3 stage PWM fast charging technology, automatic judgement, fast charging technology, the battery is not overcharged. Can be set up :