Model Number: SR Solar Of SRST-D50 Brand Name: SR solar Key Specifications/Special Features: 50W x 2 pieces solar streetlight (double lamp arm)Specifications:Solar panel: 140W x 2 piecesPoly batteries: 12V/200Ah x 2 pieces colloid-free maintenance deep cycleLED: 24V, 50W x 2 pieces

Controller: 24V/15A, wire 25m

Battery box: plastic, waterproof

Pole: up to 9m wall thickness of 3.5mm steel, galvanized aluminum poles, including bracket

Note: this is double lamp arm, installed in the middle of the road barrier

Product temperature: -30 +80°C

Working time: 10hours per day, 2 to 3 days or more backup time high brightness LED light

Has a low-temperature, the attenuation of the small, long-lifespan, high-brightness equal brightness is twice as low pressure sodium lamps

Battery lifespan: 5 years, solar panel lift more than 25 years, LED lamp lift more 70,000 hours of double lamp arm work is full power output before 6 hours, 6-hourbehind half the output power

Mean6-houroutput 100% power, then 6 hours output is 50%, because late at night, saving-energy, can reduce the lighting intensity