🔋 HQST MPPT Solar Charge Controller 20 Amp: Negative Ground Bluetooth LCD Display, 12V/24V DC Input Panel Regulator for Gel, Sealed, Flooded, and Lithium Batteries Review

【HIGH TRACKING EFFICIENCY】- Solar charge controller adopts advanced MPPT technology that ensures fast and stable track the maximum power point, high tracking efficiency of up to 99%, and peak conversion efficiency of 98%. Maximizing the energy from solar panels to charge your system. It auto detects 12V or 24V DC system voltages. 【MULTIPLE ELECTRONIC PROTECTION】- Negative Ground Controller offers overcharging/over-discharging/overload/overheat/short circuit/reverse protection. Maximum degree avoids the damage due to system fault or installation error. 【LCD SCREEN DISPLAY & REMOTE MONITORING】- 20A solar controller is equipped with an LCD screen and LED fault indicators, which can not only check device operating data and status but quickly determine system faults and modify controller parameters. Built-in Bluetooth module, you can download the PVChargePro app for remote monitoring that keeps 300 days of historical data. 【HIGH HEAT DISSIPATION EFFICIENCY】- Die-cast aluminum heat sink makes the heat dissipation efficiency higher, which can minimize the power loss from heat. Using temperature sensors to compensate for battery charging voltage can extend battery life and improve system performance. 【COMPATIBLE WITH MULTIPLE BATTERY TYPES】- The mppt solar charge controller is compatible with Flooded, AGM, Gel, Lithium batteries. User mode allows the buyer to set their charging parameters. 3-Stage Charging: boost, float, and equalization.