40A MPPT Solar Charge Controller - Multi-Voltage Auto-Detect - WiFi Bluetooth App, 0V LiFePO4 Recovery, Full Reverse Polarity Protection
A 40A MPPT solar charge controller that auto-detects 12V, 24V, 36V and 48V systems and is monitored by WiFi and Bluetooth app. Has 0V LiFePO4 recovery and reverse polarity protection.
Price range: See on Amazon
What we liked
- + Auto-detects 12V, 24V, 36V and 48V systems and delivers full 40A at 12V and 24V.
- + App monitoring over Bluetooth setup and 2.4GHz WiFi shows PV input, battery percentage and fault history.
- + Can reactivate a LiFePO4 battery shut down by its BMS using solar input alone, plus reverse polarity detection.
Trade-offs
- - There is no onboard screen, so you need the app to read its status.
- - Maximum PV input is 120V and the WiFi works on 2.4GHz only, so check your array voltage and signal.
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