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Solar Charge Controller LED 5A-20A
This is a highly intelligent charge controller with Maximum Power Point Tracking (MPPT). The optimal and intelligent “MPPT + SOC” charge control is implemented. The power switching components consist of low-loss MOSFET type transistors that have a long operating life and guarantee high performance. The extremely low own consumption makes it especially suitable for solar home systems, solar street lamp system, advertising lighting, traffic management system, and other professional applications etc. With the reverse polarity protection, lightning protection, electronic fuse and automatic detection of faulty battery, the controller is robust, maintenance-free and user-friendly.
● Solar home system
● Public security monitoring system
● Solar street lamp system
● DC signal light power supply system
● Small and medium size telecommunication station power supply system
● Small size solar power station system and solar DC power supply system
Rated Charging Current
Rated Load Current
PV Panels Configuration(Suggestion)(Imp≤Rated Current)
< 0.5%（system rated current)
Solar Battery Port Input Voltage Range
0 - 25V
0 - 50V
Rated Battery Voltage
Buck Charge Voltage
Float Charge Voltage
Charging Resume Voltage
Over Discharge Protection
21.6V±0.4V 3.2V ±0.3V
Over Discharge Resume Start Voltage
Discharge Circuit Voltage Drop
< 4 % (system rated voltage)
Overload, Short-Circuit Protection
125%(60s)/ 150%(10s) / short-circuit auto shut down；
Input Overvoltage Protection
PV Reverse Polarity Connection Protection
Switch control / PWM
-20℃ ~ +45℃
1000m with rated power (increase 100m, reduce power 1%) Max.4000m
-25℃ ~ +85℃
hanging vertical installation
Packing Dimension WxDxH(mm)
136× 100× 35
· Q. What is an UPS and What it is for ?
An uninterruptible power supply (UPS) is a device that allows your computer or telephone switch or critical equipement to keep running for at least a short time or longer time when the primary power source is lost. It also provides protection from power surges, spikes, brownouts, interference and other unwanted problems on the supported equipment.
· Q. How long the UPS to run when power goes?
This can take 3 paths.
1.You can pick a UPS that is rated for pretty much the full VA you need so it will be running at 100% of capability and will thus last 'n' minutes.
2.You can pick a UPS that is rated at a much higher VA value than you really need so, for example, is running at 50% of capability and will thus last for longer than the UPS from option 1.
3．You can use extra external battery packs to run for longer. If charging capability allows, the more and the bigger batteries you take with, the longer time UPS runs.
or using a generator after about 6 hours, it will be more cost-effective, with a short runtime UPS to bridge the generator start-up gap.
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