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EPSolar XTRA2210N MPPT Solar Charge Controller 20A 12/24V Max. PV Voltage 100V

Original price was: $272.00.Current price is: $271.98.

SKU: 274313065601 Category:

EPEVER / EPSOLAR XTRA2210N MPPT Solar Charge Controller 20A 12/24V Max. PV Voltage 100V

XTRA series are advanced maximum power point tracking (MPPT) charge controllers, for off-grid photovoltaic systems.

In order to maximize the energy harvest from PV arrays and simultaneously minimize the power loss within a wide range of operating conditions, XTRA series apply an advanced smart algorithm which results in up to 30% higher efficient charging, compared to a conventional pulse width modulation (PWM) charge controller.

Xtra series controller have limit protection function on charging current &charging power, as well as auto derating power operation at high temperature; the above protection ensure the stability of system even at exceeded rated PV power and over temperature conditions. 

Protection class IP32 and isolated RS485 communication port further improve the controller’s reliability under different application requirements. 

XTRA series controllers incorporate a self-adaptive three-stage charging algorithm based on a digital control circuit, which effectively prolongs the lifespan of battery and significantly improve the system performance. It also has extensive electronic protection for overcharge, over discharge, PV & battery reverse polarity and etc. to ensure the sustainability and durability of the off-grid solar system.


  • Advanced MPPT technology & ultra-fast tracking speed is up to 99.5 % guaranteed 
  • Maximum DC/DC transfer efficiency is as high as 98 %, full load transfer efficiency is up to 97.4 % 
  • Wide MPP operating voltage range Low temperature protection and self activate function for lithium battery charging 
  • Limit charging power & current over rated range 
  • Real-time energy statistics function Multiple load work modes 
  • Comprehensive electronic protection 
  • Compatible with lead acid and lithium-ion batteries 
  • Over temperature protection and power degrading in higher temperature 
  • High quality and low failure rate components of ST or IR to ensure service life 
  • Isolated RS485 communication port with 5V/200mA protected output, with standard Modbus protocol 
  • Monitor and set the parameters via APP or PC software 
  • Dustproof and waterproof design with IP32 protection class 
  • CE certification (LVD IEC62109, EMC EN3/1-6-61000) 
  1. If using Lithium battery,customer should ask help for “PCsoftware” to set the lithium battery parameters 
  2. Ingress of solid objects:Protected against solid objects over 2.5mm 
  3. Ingress of liquids: Protected against falling drops of water, if the case is disposed up to 15 from vertical

Technical Specifications


System Nominal Voltage: 20A

Rated Charge Current: 20A

Battery Voltage Range: 8~32V

Max. PV Open Circuit Voltage 100V, 92V

MPPT Voltage Range: (Battery voltage +2V)~72V

Max. PV Input Power (W/V): 260/12, 520/24

Equalization Voltage: Sealed: 14.6V; Flooded: 14.8V; User: 17~9V

Boost Voltage: Gel:14.2V; Sealed:14.4V; Flooded:14.6V; User: 17-9V

Float Voltage: Gel /Sealed /Flooded: 13.8V; User: 17~9V

Low Voltage Reconnect Voltage: Gel /Sealed /Flooded: 12.6V; User: 17~9V

Low Voltage Disconnect Voltage: Gel /Sealed /Flooded: 11.1V; User: 17~9V 

Self-consumption: ≤35mA(12V), ≤22mA(24V)

Discharge circuit voltage drop:  ≤0.23V

Temperature Compensate coefficient: -3mV/0 C/2V (Default)

Grounding: Common negative grounding

RS485 interface: 5VDC/200mA (RJ45)

LCD backlight time: 60S (Default)


Working environment temperature (full rated power with no derating): -25℃~+50℃(LCD);-30℃~+50℃(No LCD)

Storage temp. range: -200 C~+700 C

Relative humidity: ≤ 95% , N.C. 

Enclosure: IP33

Pollution degree: PD2


Safety: EN/IEC62109-1 

EMC(Emission immunity): EN61000-6-3/EN61000-6-1

FCC: 47 CFR Part 15, Subpart B

Performance & function:  IEC62509

ROHS: IEC62321-3-1


Dimension (mm): 217×158×56.5

Mounting dimension (mm): 160×149

Mounting hole size:  Φ5mm

Terminal: 6 AWG (16mm2)

Recommended cable: 10 AWG (6mm2)

Weight: 0.96kg

  1. When selecting lithium battery type, the system voltage can’t be identified automatically
  2. At minimum operating environment temperature
  3. At 25℃ environment temperature
  4. When selecting lithium battery type, the temperature compensation coefficient is 0, and can’t be set
  5. The parameters are 12V system at 25 ºC, ×2 in 24V system at 25 ºC, ×4 in 48V system at 25 ºC
  6. The controller can full load working in the working environment temp. range, When the internal temperature reach to 81℃, the reducing charging power mode is turned on 
  7. 3 – protection against solid objects: protected against solids objects over 2.5mm 
  8. 2 – protection against liquids: protected against direct sprays up to 15 ° from the vertical 


System Voltage






Charging Mode

MPPT (Maximum Power Point Tracking)


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