High efficiency and low price solar module 20w Electrical Characteristics BCT20-12 Maximum power at STC(Pmax) 20W Optimum operating voltage(Vmp) 17.2V Optimum operating current(Imp) 1.16A Open-circuit voltage(Voc) 21.6V Short-circuit current(Isc) 1.31A Short-circuit current temperature coefficient (0.065, 0.015)%/ C Open-circuit voltage temperature coefficient -(80, 10)MV/ C Peak power temperature coefficient -(0.5, 0.05)%/ C NOCT(Air 20 C;Sun 0.8kw/m wind 1m/s) 47, 2 C Operating temperature -40 C TO 85 C Maximum system voltage 600V DC Power tolerance 3% STC: lrradiance 1000W/m2,Module temperature 25,AM=1.5 Features: 1. Tempered glass laminated with aluminum frame 2.Complete solar products series, fast & convenient delivery, customized specification 3.The backside frames are equipped wth drainage holes,so we eliminate the risk that rain or snow water may accumulate in the frame lumen and freeze or even bend the frame in cold season 4.We supply OEM services, you can put your logo and picture on the solar panel if you have any other requirement. 5. We can design different watts panel according to customer's requirement 6.Excellent construction : Our modules have been encapsulated with the greatest care: They resist corrosion caused by rain, water and gas. Their anti shocking performance makes them resist hail and work under atrocious weather conditions where temperature changes quickly. APPLICATIONS: Solar panels can be used for a wide variety of applications including: * Remote power systems for cabins * Telecommunications equipment * Remote sensing * For the production of electricity by residential and commercial solar panel systems * Solar cooker for cooking purpose * Solar generator * Solar thermal system * Calculators * For Security systems * In street lights. Individual carton box and wooden pallet 2824pcs/20'gp 5824pcs/40'gp.