Features 1、Selected Material: Made of monocrystalline silicon and PET lamination material, the solar charger has high battery efficiency and stable and reliable long term output under the strict quality control. 2、Humanization Design: High transmission low iron tempered glass enhances stiffness and impact resistance and solar panel connector leads for easy plug and play. 3、Well Furnished: With large LCD display of controller, adjustable charging and discharging parameters, and power off memory function, the solar panel can clearly display status and data, easy to switch mode and parameter configuration. Controller completely has 3 stages charge management to improve system efficiency and prolong battery life. 4、Multiple Protection Functions: The solar panel has built in overcurrent, short circuit protection, open circuit protection and reverse connection protection, which are self recovery type, do not damage the controller. 5、Strong Compatiblity: Suitable for household, industrial, commercial, outdoor activities, car, yacht, battery, boat charger and any place where sunlight can be obtained to achieve efficient charging. Realize efficient charging, convenient and safe, environmental protection and energy saving. Item Type: Solar Panel Product Material: Monocrystalline silicon and PET lamination Weight: Approx. 715g / 25.22oz Solar Panel Type: Monocrystalline silicon Solar Panel Power: 30W Product Size: Approx. 38X28cm / 14.96x11.02in Solar Panel Open Circuit Voltage (VOC): 18V Solar Panel Maximum System Voltage: 18V Solar Panel LSC Temperature Coefficient: (010+/-0.01)%/C Solar Panel Volatile Organic CompoundsTemperature Coefficient:-(0.38+/-0.01)%/C Solar Panel Power VOC Temperature Coefficient :-0.47%/C Solar Panel Temperature Range: -40 ℃ to + 80 ℃ Controller Voltage: 12V / 24V automatic identification Controller Current: 50A Controller Maximum Photovoltaic Voltage: 12V battery, up to 23V; 24V battery, up to 46V (up to 50V without load) Controller Maximum PV Input Power: 660W(12V), 1320W(24V) Controller Standby Current: ＜10MA Controller USB Output: Double USB output, 5V / 2.5A(MAX) Controller Operating Temperature:- 35 ℃ to 60 ℃ Package List 1 x Solar Panel 2 x Photovoltaic Connector 2 x Copper Core 1 x Solar Panel Specification 1 x Controller 1 x Controller Specification