Description Specification: Size 800*400*3mm SLA Battery Voltage 18V Type of Solar Cell Monocrystalline Open Circuit Voltage(Voc) 18V Maximum Ystem Voltage 18V Temperature Range -40 ℃to 80℃ Features: 1. High cell efficiency with quality silicon materials for long term output stability and reliability.2. Strictly quality control ensure the stability and reliability, totally testing procedure to do quality control3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance4. Solar panel connector leads for easy plug and play use! Package included: 1 x Solar Panel1 x Connector Cover