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| Exclusive Feature |
1. Intelligent control is realized by using microprocessor and dedicated control calculation.
2. Four load working modes: Pure lighting control, lighting control & timing control, hand operation and debug mode.
3. Scientific management of battery: as it is overcharged, the battery will get booster tension charge. As a result compulsory maintenance is available for the battery. In normal working state, the direct charge and floating charge are both available, so that the battery life-span is increased. Besides, the adoption of high precision temperature compensation makes the charging more accurate.
4. Comparing with the charging loops using diodes, the one that adopts double MOS series circuit control makes the voltage loss dropped by 50%. With the PWM fuzzy control in charging, the charge efficiency is improved a lot.
5. LED screen shows the working state of solar battery, storage battery and load. LED shows the adjusted parameter. In this way, users can learn the operation state in ream time. Besides, there are various choices for parameter; users can select the proper working mode based on the different conditions.
6. Various protections include over-charge, over-discharge and over-load, as well as unique electron short circuit protection and connection-reverse protection. All the protections are harmless to any parts and fuse. TVS thunder proof protection is also available. Non wire jumpers design improves the reliability and durability of the products.
7. Technical grade chips and precision components are adopted for all the controls. Therefore, the controller performs well in very low and high temperature, as well as humid environment. At the same time, with the use of crystal timing control, the timing function of controller is much more reliable.
8. Digital LED display and one button setup make the device easy to handle.
This is a smart solar charge controller which has advanced PWM technology .Solar charge controller is one of the important parts in the off-grid solar system.
| Product Details |

| Technical parameter |
| Model | KF Series | |
| System current | 5A 10A 15A 20A | |
| Solar energy input voltage | ≤46V | |
| Voltage | 12V ; 24V ; 12V/24V Auto | |
| No load losses | <5mA; | |
| Charging circuit voltage drop | Less than or equal to 0.20V | |
| Discharge circuit voltage drop | Less than or equal to 0.15V | |
| Over voltage protection | 17V;×2/24V; | |
| boost charge voltage | 14.6V; ×2/24V (time of duration: 10 minutes) | |
| Direct charge voltage | 14.4V;×2/24V (time of duration: 10 minutes) | |
| Float charge voltage | 13.6V;×2/24V | |
| Charge recover voltage | 13.2V;×2/24V | |
| Over discharge recover voltage | 12.5V;×2/24V | |
| Lower voltage indication | 12.0V;×2/24V | |
| Over discharge voltage | 11.1V;×2/24V | |
| Temperature compensation | -4.0mV/°C/2V(boost voltage, direct charge, float charge and charge return voltage compensation) | |
| Control method | PWM Smart Charging | |
| Working temperature | From 0°C to +45°C; | |
| Over-load and short circuit protection | Over-load protection: when the current of controller is 1.25 times of the rated current, the controller works for 30 seconds; 1.5 times of rated current, works for 5 seconds Short circuit protection: when the current of controller is more than or equal to 3 times of rated current, the protection starts. | |
| Circuit protection | Over-charge, over-discharge, short circuit and over-load protection | All the protections are harmless to any parts and fuse of controller |
| Anti- connection-reverse protection for solar battery and storage battery. | ||

| Packaging & Shipping |

Package
Carton Box for packaging, or Wooden Box advised for Samples to protect in transportations.
Shipping
1. Fedex/ DHL/ TNT/ UPS for samples, door-to-door.
2. By air or by sea for batch goods, for CFL, Air port/ Port receiving.
3. Customers specifying freight forwarders or negotiable shipping methords.
4. Delivery time: 7 days for samples; 10 to 25 days for batch goods.
| Payment Term |
| T/T | EXW | 30% T/T in advance, balance paid before dispatch |
| FOB | ||
| CNF(CFR) | 30% T/T in advance, balance paid against copy of B/L | |
| CIF | ||
| L/C, D/A, D/P, Money Gram, Western Union, Paypal (Optional) | ||
| Why Choose Xindun Power? |

| Guangdong Xindun Power Technology Co.,Ltd | |
Factory Location | Foshan,Guangdong,China |
| Industry Experience | 12-year manufacturer, 15-year trading, 7-year alibaba gold supplier |
Product Range | solar inverter, hybrid inverter, ups, solar charge controller, solar power system, mini solar dc system |
| Main Market | Africa, Middle East, Asia & South America. (Ukraine, Russia, Vietnam, Pakistan, Nigeria, Kenya, South Afriac, Ghana, Thailand, Philippines, etc.) |
| Factory | 6000 Square Meters, 60+ workers |
| Department | R&D, Production, Sales, Marketing, Purchasing, QA, After-sale service department |
| Certificate | ISO9001:2015, CE, IEC, etc. |
| Patent | Software Paten, Design Patent, Project Pantent |
| Our Service |
1. Professional and famous chinese manufacturer of inverter with over 10 years experience. Best production capability, best quality control, best service.
2. 3-years warranty for inverter, solar controller, dc mini system, ups;
3. Senior sales consultant provide one-on-one technical guidance and answer questions;
4. Provide comprehensive, systematic technical training and practical installation operation;
5. Xindun constantly updates new products to ensure the freshness of the market.
| Workshop |

| Production Process |

| EXHIBITION & CUSTOMER |

| CREDIBILITY |

| FAQ |
A: Are your inverters pure sine wave output?
Q: A Yes, All are true pure sine wave.
A: What kind of output you can do?
Q: Normally we produce inverter with 110V 115V 120V 220V 230V 240V, 50/60Hz self-adaption. If you have special requirements, please tell us for engineer consulting.
A: What' s the difference between low frequency and high frequency inverter?
Q: Low frequency inverter has various protections, strong ability to adapt to the environment. more reliable, with voltage regulation.
A: What's the difference between pure sine wave inverter and modified sine wave inverter?
Q: Pure sine wave output inverter is just as good as the Public power grid. Even better. Low repaired rate, long lifespan, Without harmonic pollution, enviromental-friendly and appliances protected.
Modified sine wave output has a negative impact on appliances and can't load inductive load, such as air contition, refrigerator and etc. Certain motor control circuits don't like the modified wave.
A: What appliances your inverters can load?
Q: Our inverter can be used in household, Office, agricultural appliances and other inductive load such as refrigerator, air conditioner, water pump, etc.
A: Can you print our company logo on inverters, nameplates and packaging?
Q: Yes, we accept OEM orders.
A: How to choose a right inverter?
Q: Tell us your demand, then our sales will recommend a suitable inverter to you.
A: How to solve the technical problem?
Q: 24 hours after-service consultancy just for you and to make your problem to solveeasily.
A: Do I Need A Power Inverter?
Q: Actually, no. This is the only component of a solar energy system that is not absolutely required. However, if you don't use one, you will not have 220 or 230 volts AC and will have use battery power alone. This might be acceptable in a small RV or cabin, but most people want to use normal AC appliances.
A: What's The Difference Between 12, 24, And 48 Volt Inverters?
Q: This refers to the input voltage from the battery bank. The main consideration is that at higher voltages the current is less so that you can use smaller wires between your solar panel array and your battery bank. Of course, when you decide on a system voltage, the Solar Panels, Inverter, and Battery Bank all need to use the same voltage.
A: What to do if the product is broken?
Q: If any product is faulty, you can send the picture or video to us, we sill study it and supply the spare parts of PCB board free for after sale service.
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