Industrial Grade 12 Volt Solar Panel Voltage Regulator Pwm Solar Regulator 40A

PWM 12/24V Auto 40A Solar Charge Controller SR-HP2440

Features of SR-HP2430/2440

1. Automatic identification system voltage
2. Charging program options for sealed, GEL and flooded lead-acid batteries and lithium batteries are available.
3. An upgraded 3-stage PWM charging algorithm is adopted. Application of an equalizing charge to the battery periodically or when over discharged, can effectively prevent the battery from non-equalization and sulfuration, thus extending the battery's service life (with the exception of GEL and lithium batteries).
4. With temperature compensation employed, charging parameters can be automatically adjusted (with the exception of lithium batteries).
5. A wide range of load working modes facilitate the product's application to different types of street lights and monitoring devices.
6. The product provides overcharge, over-discharge, overload protection, as well as short-circuit and reverse-connection protection.
7. By virtue of an advanced load starting method, large-capacitance loads can be started smoothly.
8. A range of parameter settings and power-down saving functions are available ,thus requiring no repeated setting.
9. The product provides a dot matrix graphic LCD screen and a human-machine interface with 2 keys.
10. The user-friendly design of browser and dynamic interfaces ensures convenient and intuitive operations.
11. (An optional communication function) provides a RJ12 data port (output of TTL232 level or bluetooth signals), with the data adopting the standard Modbus protocol, can be used together with our upper computer Monitoring software or mobile phone APP.
12. Boasting an industrial grade design, the product can function well in various tough conditions.
13. TVS lighting protection is adopted.

Controller parameters

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1) Please be noted that the price in our website is merely the reference price and the actual one is subject to our final confirmation!
2) Any problem, requirement and suggestion, please contact us freely, we'd be very pleased to be at your side.

Company Information:
Q: Do you produce all the products yourselves?
Yes, we have our own Solar Panel Factory, all the products we are selling are designed and manufactured by ourselves.

Battery:
Q: How long is the life-span for solar lighting product?
Usually it is 2 years. However it is about 5 years by replacing the battery.

Q: Battery is a sensitive goods, is there any difficult to ship the samples by courier or by air?
Please rest assured that we have partnership with excellent shipping forwarder, therefore we can promise fast & smooth delivery.


Q: What is the application for your product?
They can apply to home lighting, phone charging, camping, reading, outdoor sports lighting ect.

CQC Department:
Q:How is your Quality Control?
We specialized in solar lighting products for 10 years, the quality of the products are pass strict inspection, and we have one year warranty!

How is your Products Control?
Test and quality assurance. Our defective rate is 0.2% .Customer could purchase our products with safety.

Customer Service
Q. How is the after sales service?
A huge team which is in charge of after-sales service, also a service hotline dealing with the complains and feedback s from buyers..

Q. How can you guarantee the exclusive sale for OEM & ODM service?
Product mould contract, non-disclosure agreement, exclusive sale agreement will be signed before starting the OEM & ODM project.

Q. How to apply refund?
A. Once the PI has been confirmed and ordered goods are ready, a refund will not available for a canceled order. But a refund would back to you in time the case that we could not offer the products required in stock due to the shortage or unavailability.

Q. Can I come visit your showroom and ffactory?
1) Welcome to visit our office and shop directly before establishing long-term business relationship.
2) We'd very like to help you book the hotel and pick you up from the airport, or the railway station. Please inform us if you have any scheduling in China.
3) Many clients from USA, UK, Germany, Saudi Arab, France, Russia etc has paid a visit in our showroom, so now, is your turn?

FAQ:

Q: what kind of certificates you have for your solar controllers ?
SRNE:Our solar controller has CE,ROHS,ISO9001 certificates approved.

Q: Are you a manufacturer or trading company?
SRNE:We are a state-level high-tech enterprise that integrates pluralism, R&D and manufacturing as one with PV controller,PV
inverter,PV energy storage oriented.And we have our own factory.

Q: Can I buy one sample for testing?
SRNE:Sure,we have a 8 years experience R&D team and in timely after sale service,can help u fix any technicial problem or confusion.

Q: How are about the delivery?
SRNE:
Sample:
1-2 working days
Order: within 7 working days depending on the order quantities
OEM Order: 4-8 working days after confirming the sample

Q: How're about your customers service?
SRNE:All solar controllers will be tested strictly one by one before leaving factory,And the defective rate is
below 0.1%.we do try our best to provide a good customer service.