MPPT Solar Charge Controller 20A 12/24/36/48V Regulator Charger Off Grid System
Features:
 
Negative Ground, Max 170V PV input
Display daily generation and cumulative power generation
Support 4 charging options: Sealed, Gel, Flooded and User-defined
The tracking rate of maximum power is ≥99% and the maximum conversion rate is >98%
The components are premium brand, the theoretical design life  span is >10 years, and the high temperature resistance is >105℃
 
1、Display real-time power generation and current.
2、Display the daily power generation curve and current curve.
3、Chinese and English, multi-function LCD screen and operation menu.
4、Display fault records, to facilitate customer troubleshooting in a timely manner
5、Support lead-acid batteries, colloidal batteries and lithium batteries.
6、Intelligent maximum power point tracking technology increases efficiency 25%~30%.
7、Battery temperature sensor (BTS) automatically provides temperature compensation.
8、Perfect protection function.
9、 The latest MPPT algorithm is used to track the maximum  power point of solar power generation in real time. The charging  efficiency is over 98.5 % and the tracking accuracy is over 99.73 %.
10、Ultra-fast tracking speed, tracking 1 times per second.
 
 
 
Specifications:
 
Rated current: 20A
Cut-off current: 22A
Maximum solar panel voltage:≤170V
Minimum solar panel voltage: 3V higher than the voltage of full-charged battery (e.g. voltage of fully-charged 12V battery 14.6V+3V=17.6V)
Maximum solar panel power: Battery voltage * rated current = solar panel power (e.g. 12V*20A=240W)
Stabilized voltage precision:≤±1.5%
Constant-voltage charging: 14.5V (12V) 29V (24V) 58V (48V)
Float charging    Recovery to charging: 13.3V (12V) 26.6V (24V) 53.2V (48V) 
Undervoltage protection    Recovery to charging: 13V (12V) 26V (24V) 52V (48V) 
Undervoltage protection: 10.5V (12V) 21V (24V) 42V (48V)
For Lithium iron phosphate battery, Recovery to charging: 12.5V (12V) 25V (24V) 50V (48V)
For Lithium iron phosphate battery, Undervoltage protection: 10.5V (12V) 21V (24V) 42V (48V)
Input protection: Low voltage protection/high voltage protection/reverse polarity protection/short-circuit protection
Temperature protection: Stop work when the radiator temperature rises to 85°C.
Start conditions of the fan: When the radiator temperature hits 50°C/the charging current reaches 50% rated current
Environment humidity: 0-90%RH (without condensation)
Altitude: 0-3,000m
Working temperature: -20°C ~ +50°C
Storage temperature: -40°C ~ +70°C
Atmospheric pressure: 70-106KPa
Battery type: Lead-acid battery, Gel battery, Lithium iron phosphate battery
 
Packings:
 
1x 20A MPPT Solar Charge Controller
1x User Manual
1x Accessory
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WARRANTY

Warranty:  365 days

Technical support and service are provided for the inverter the whole life.

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Yueqing Reliable Electric Is a leading company in the development, manufacturing and marketing of advanced power inverter and systems for mobile power markets and PV industry since 2009.

The company’s power inverters convert and control raw electrical power from any renewable or back up ower source into high quality pure sine wave power.

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