●Notes to buyers ①Designed for 12V/24V batteries, please dont connect to higher voltage batteries. ②The PV can not exceed 60V. ③Connection sequence: first connect the battery, then connect the solar panel. ●【100% Efficiently MPPT Charging】Bateria Powers newly upgraded 20A MPPT solar charge controller can automatically monitor the 12V and 24V DC system voltage, and the tracking efficiency is up to 100%, which means it can charge your battery to the maximum, compared with other products. Can help you save 20%-30% of the charging time. ●【Mini & Portable with LCD Display & LED Indicate Light】The controller is equipped with an LCD display and LED indicator light, which is convenient for you to monitor the working condition of the solar panel and battery. In addition, this controller is compact and convenient in appearance. Compared with other controllers, it saves 30% of the space. It is also very convenient to carry and connect when used outdoors. ●【Mini & Portable with LCD Display & LED Indicate Light】The controller is equipped with an LCD display and LED indicator light, which is convenient for you to monitor the working condition of the solar panel and battery. In addition, this controller is compact and convenient in appearance. Compared with other controllers, it saves 30% of the space. It is also very convenient to carry and connect when used outdoors. ●【High Security】The controller has a built-in protection system and intelligent 3-stage charging (Equalize, Float, Boost), which means that the solar energy can be used to the maximum extent, and it can also fully protect your battery (Over Charge Protection, Over Temperature Protection, Over Voltage Protection, Over Current Protection, Short Circuit Protection, Discharge Protection, Reserve Polarity Protection), it is safer to use. ●【Plug&Play】SAE connector quickly connects or disconnects, plug and play, convenient and practical. At the same time, the package contains two additional 130mm SAE Extension cables, which can be extended or DIY your solar system. ●【Excellent Waterproof Performance】This controller has good waterproof performance, so even if you use it outdoors, you dont have to worry about inclement weather making it unusable. (Reminder: In order to prolong the service life, we do not recommend soaking the controller in water.)