Noted: ♥Flexible solar panel with aluminum frame 📖This solar panel is not glas solar panel,it is made from flexible solar panel and aluminum frame.you can use Bracket to install it. it is more light than glass solar panel. 📖If you buy solar panels plus accessories (brackets), we will send you two packages due to oversize, please don't worry and be patient because you will receive them at different times. If you have any questions, please contact us, please do not refund easily, thank you. ❀Feature: ♥. High efficiency: cell efficiency is about 1.2 times that of conventional polycrystalline ♥. Using the latest component packaging technology, thinner, lighter, softer and longer life. ♥. The surface is made of PET and treated with a special process, which is more wear-resistant and improves the absorption efficiency of sunlight. ♥. With high light transmittance, safe and reliable, not afraid of high temperature, no danger of burning or explosion. ♥. The junction box has an IP67 waterproof design, which includes a bypass diode, and the circuit adopts input overcurrent protection and reverse protection design. ♥. The PV cables connectors for photovoltaic modules are used for outgoing cables. The outdoor use is safe, waterproof, high temperature resistance and weather resistance. PV connectors are easy to use, plug and play. ♥. This product is a solar module. It is recommended to be used with controllers and batteries. It can be used in a variety of scenarios such as RVs, households, camping, yachts, street lights and solar power stations. ❀Specification Maximum power(Pmax) 250W Output tolerance ± 3% Maximum system voltage 700V DC Open circuit voltage(Voc) 21.6V Maximum power voltage(Vmp) 18V Cell efficiency 21% Operating temperature（NOCT） 45±2℃ Temperature range -40℃～+80℃ Number of cells 36pcs Weight 3100g Size 1160*530*25 mm Standard Test Conditions ： lrradiance 1000w/m2，Temperature 25℃,AM=1.5 Attention: Please confirm your address and contact information, if you have any problem, please contact us by email, Our Email address: wish2@isolarpartner.com Our price doesn't including the import customs duties, the buyer should cooperate with the logistics company for the customs clearance.