Renogy 40A MPPT Charge Controller with Bluetooth BT-2, 12V/24V Auto MPPT Solar Charge Controller with LCD Backlit Display, Temp Sensor, for Gel Sealed Flooded and Lithium Battery

Renogy

[Innovative MPPT Design]: Renogy Solar Charge Controller features advanced MPPT Technology with up to 99% high tracking efficiency, peak conversion efficiency of 96% and Lithium-reawakening feature. It is the best charging solution even in cloudy environments where the max power point of the solar panels will fluctuate all day. [12V/24V Automatically Detect]: Renogy Charge Controller supports 12V /24V Automatic System Recognition (for non-lithium batteries). Renogy MPPT Charge Controller supports four types of Deep Cycle Batteries: Gel, Flooded, Lithium-Iron Phosphate (12.8V), and Sealed/AGM Battery.Backlit LCD displays system information and identifying error codes. [Full System Protection]: Renogy 40A MPPT Charge Controller safeguard your solar system. MPPT controller with self-diagnostic capability can assess and protect against reverse polarity, battery overcharging, battery over-discharging, overload, short-circuiting, and reverse current. [4-Stage Safely Charging]: Features 4-stage charging (Bulk, Absorption, Float, and Equalization) of Lead Acid Batteries and 2-stage charging (Bulk and Absorption) for Lithiuim batteries as well as Lithium Reactivation. [Remote Control]: Bluetooth BT-2 can be easily connected with the RS485 communication port, and follow the App instructions. User get real-time and historical data via Bluetooth Module and Renogy DC Home App. Bluetooth 4.2 and BLE technology provides fast and uninterrupted communication. The Bluetooth Module is powered by solar energy, and the ultra-low-power dedicated chip will allow signal range up to 82ft.