dc solar system 12v30W usb battery dc rca socket Portable power supply

Specifications 2015 New Design battery: Power station USB Battery 12v20ah 30W DC solar system USING TIME: 1) Using time for 3W*1pcs LED lamp: 40-50 hours; 2) Using time for 15W solar fan: 11-12hours   SOCKET: 5V USB Socket: 2pcs 12V DC Socket: 1pcs RCA Socket: 2pcs     Using range: This product is suitable for some lack of power religions and countries .  Without electricity and special emergency , phone ,12v TV, digital camera ,fan,MP3/MP4/MP5/GPS,radio,personal computer, camping products etc.   Maintenance free USB storage battery continue Nice People Power brand excellent quality . Features : 3-5years use life. many times of charge and discharge , high efficiency and favorable price .       Characteristic and functions :   1. When the charging insert charger DC charging interface.   2. The RGB interface for three parallel to the output 12v , with short circuit protection function.   3. Single AV interface, output 19 v4a, charging for PC , with short circuit protection function.   4. USB5V interface can output 5 v2a, with short circuit protection function.   5. LCD display components can display the current power change.   6. When loading the load automatically lit LCD back light, LCD display the current state, automatically shut down after 10 seconds back light and liquid crystal display (LCD).   7.When there is load access is automatically output, when load all removed, after twenty seconds automatically shut down output, at the same time, the liquid crystal display will be automatically closed.   8.This machine has protection function of the battery , when the supply voltage is lower than 10.5 V output power supply automatic cut off, and close the output.   9.The function of 19 v / 12 v machine the inner core is positive , outer core is negative.    11.  Charging way: There are two ways to charging for it, one is use the solar panel, another way is use 2ah charger to charging.   Production Flow   Quality Testing   Cooperated Customers   Company Information        Our teams are comprised of marketing,sales,production,packing,quality control product lines. Our  foctory has 17 years professional manufactuer battery experience.Our batteries sell to more than 100 countries in all over the world.         NICE PEOPLE POWER CORPERATION LIMITED is a professional manufacturer of all kinds of batteries with well-equipped testing equipment and strong technical force.         NICE PEOPLE POWER manufactures and sells environmentally friendly batteries include 12V ,6V,4V,2V Sealed Lead Acid batteries(SLA) ,Gel batteries,OPZV battery,car batteries and motorcycle batteries. The factory is A High-Tech Enterprise headquartered in Huadu district,Guangzhou,China, with its reliable product and quality services, NPB battery won high praise form users at home and abrod.   service quality   Limited Guarantee and Service Commitment   Product Quality 1.We are liable to remedize or replace the batteries for any defects in materials andworkmanship if they come from our factory and stay within the legitimatewarranty. 2.We will response to your failure-report within 24 hours with a solution ,and willdispatch technician to field if it is necessary. 3.We offerlife-long service to every single of our batteries(free of charge if covered bywarranty),and technical instruction included. Follow-up Service 1.Our technicans are available for your on-site installation guidance andengineering. 2.We are ready to answer your questions about our products(remote or on-site)untilproblems are solved and deliver   technical trainging upon your specific demand.   Nice People Power Battery Factory is in guangzhou China, Welcome visit our factory and check the qualiy. Contact People: Coco Mob:+86-13726716368 Facebook: https://www.facebook.com/coco.gao.330 Skype: cocogao28