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Solar Large Power Controller - China

price: contact company for price

EP48-100/200/300 is a kind of intelligent PV controller designed for

large scale off-grid PV generating system. With the function of managing

charging or discharging it can control multi-channel solar cells matrix.

According to the trend of battery pack it can automatically control the

connection or snap in turn for solar cell matrix, in which using solar

cells effectively and granting the safety and reliability for battery

pack operation.


1. Total cathode control mode and multi-channel solar panel array input control are adopted.

2. Adopting 32-bit processor. High accuracy in controlling voltage.

3. Backlash function detecting each-channel charging voltage to avoid oscillation of switch.

4. Complete isolation between control circuit and main circuit for extreme anti-jamming capability.

5. Multiple parallel is available.

6. Adopting touch screen, Chinese and English menu display, alarm display function.

7. Historical record and password protection function.

8. Electricity consumption AH accumulative function, including PV generating capacity, load consumption and batteries power.

9. All-round protection functions against charging overvoltage, over temperature, battery under voltage, wrong connection, overload, short circuit, panels’ wrong connection, reverse charging in night.

10. Supporting RS485/232 communication for remote monitor.

11. Temperature compensation and environmental temperature/humidity monitoring function.

Company Contact:

  • Phone: +86-25-58875561

  • Address: Xiaoliu industrial Park, NO.22 North Liuzhou Rd., Nanjing, China

  • Email: Email

Published date: May 22, 2013 -

  • Business Description: Established in March.2011, Jiangsu EWT new energy technology co.,ltd is

    a professional company engaged in R&D, production of inverters and

    controllers in new energy industry, program solution design, as well as serving integrated system program. Located at Pukou high technology industrial development zone, Nanjing, Jiangsu province, the company occupies complete infrastructure, manufacturing base and R&D center.With broad market prospects, the products and services will be widely applied in solar power and wind power program.

    The company considers quality as its life, which leads it to serve the market with integrity and pragmatism. Following People connected, to create a grand future; Technology first, to build a green earth as principle and adhering cultivation and introduction to intelligence development strategy, EWT has launched strategic cooperation agreement with many renowned domestic universities. Committed to be a high tech corporation with core intellectual property rights, the company is reinforcing innovation of technology and management constantly and to achieve the influential corporation in new energy profession.

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