ODDTOOLS 40A MPPT Solar Charge Controller, 12V / 24V Auto DC Input, Solar Panel Regulator Charger with Bluetooth Module, 98% Charging Efficiency for Sealed(AGM), Gel, Flooded and Lithium Battery Charging

Suitable for various environments and devices, from home solar systems to mobile photovoltaic systems, and supports a maximum solar panel power of 12V 520W / 24V 1040W; compatible with various common deep-cycle sealed batteries such as AGM, gel, flooded, and lithium batteries.

Equipped with a built-in Bluetooth module, allowing users to remotely view essential data within a 20-meter range, making the mppt solar controller more convenient for users to monitor and adjust the device's operational status.

The automatic regulation algorithm supports current-limiting charging mode, ensuring stable operation even in extreme temperatures ranging from -20℃ to 50℃ (-4°F to 122°F) or when the charging power is excessively high.

This charge controller 12V/24V features comprehensive protection functions, including battery reverse connection protection, PV reverse connection protection, PV short-circuit protection, overcurrent protection during charging, and TVS lightning protection, among others.