HQST MPPT Solar Charge Controller 20 Amp Negative Grounded Controller with Bluetooth LCD Display, 12V/24V DC Input Solar Panel Regulator for Gel Sealed Flooded and Lithium Battery
- 【HIGH TRACKING EFFICIENCY】- HQST 12V 20 amp Solar charge controller adopts advanced MPPT technology that ensures fast and stable track of 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. The max load output current is 20A. If it exceeds the 20 amp DC load (240 watts), the overvoltage protection will turn off the output.
- 【PARALELL CHARGE FUNCTION】- 2 HQST MPPT controllers of the same series(M2420N/M2440N/M4860N) can work together to charge the same battery with the parallel charge cable (not included), to meet high power charging requirements and 2 controllers should set the same battery pack voltage. Our negative grounded controller offers overcharging/over-discharging/overload/overheat/short circuit/reverse protection. The maximum degree avoids the damage due to system fault or installation error.
- 【LCD SCREEN DISPLAY & REMOTE MONITORING】- 40A solar controller is equipped with an LCD screen and LED fault indicators, which can check device operating data and modify controller parameters. Built-in Bluetooth module, you can download the ‘’ChargePro 2.0'' (new version) or the "PVChargePro'' (old version) app for remote monitoring that keeps 300 days of historical data. PS: the app of android version needs to turn on location and Bluetooth to connect.
- 【HIGHER HEAT DISSIPATION EFFICIENCY & FULL-LOAD WORKING】- Die-cast aluminum heat sink makes the heat dissipation efficiency higher, which can minimize the power loss from heat. Filling inside the controller with gel is for better PCBA cooling conduction and prevents water and other damages, extending the controller service life. With the premium IC and better PCBA, this controller can work under full load even in high temperature environment.
- 【COMPATIBLE WITH MULTIPLE BATTERY TYPES】- The mppt solar charge controller is compatible with Flooded, AGM, Gel, and Lithium batteries. User mode allows the buyer to set their charging parameters. 3-Stage Charging: boost, float, and equalization. HQST provides a 1-year warranty and lifetime technical support. Any questions, please feel free to contact us through amazon email.
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Return Policy
• We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product.
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• All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed• Please contact us before returning.
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