17.5X10X4.5 12V 24V Solar Panel Battery Regulator Charge Controller MPPT Auto Tracking

 Features:

- Perfectly designed for solar power system, suitable for solar panel and storage battery power management
- Supports latest MPPT protocol, you can get higher power transfer rate, comprehensive battery protection etc.
- Built-in smart chipset, offers multiple circuit protections to your power system
- Exclusive smart power load setting allows you to control loaded devices freely from sunset to sunrise
- Product also equipped with DC power socket, you can easily connect both solar panels and power devices
- Please connect battery to controller first, then connect to solar panels

Specifications:
- Storage battery voltage: 12V / 24V auto adaptive
- Battery charging current: 30A /40A/50A/100A
- Solar panel: input 23V max for 12V batteries, input 46V for 24V batteries
- USB output: dual ports, DC 5V-2.5A max
- Size: 16.2*9.2*3.3 cm
- Weight: 250g

Package Included:
- 1 x solar panel controller
- 1 x user's manual

* please follow the manual to install the controller, solar panels and storage batteries.
* you may need to connect storage battery to the controller first, then connect controller to solar pannels.