EPSolar – EPEver XTRA4215N-XDS2

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(1 customer review)

DISCONTINUED: EPSolar – EPEver XTRA4215N-XDS2, 40 Amp MPPT charge controller, 12/24 Volt, 150 Volt DC input, with display

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SKU: EPS-163-110 Category: Tags: , , ,

The EPSolar – EPEver XTRA4215N is a 40 Amp MPPT charge controller with a build-in LCD display that can be used to change or set the charge parameters and show real-time production information. The controller can be used with 12 & 24 Volt battery banks. The solar DC input Voltage can be anywhere between the battery Voltage + 2 Volt, up to 150 Volt maximum open Voltage. The charge controller takes care of converting the Voltage down to the battery charge Voltage, and at the same time the current is converted up proportionally, up to 40 Amp maximum. It is entirely possible to oversize the solar PV input Wattage, the EP Solar charge controller will simply clip the output at 40 Amp if there is enough sunlight to produce that much (or more). The XTRA series charge controllers provide excellent value-for-money!

An USB-to-RS-485 cable can be used to connect the charge controller to a computer. EP Solar has software available to monitor and change settings of the charge controller via a computer.

An optional external battery temperature sensor, EP Solar RTS300R47K3.81A, is available as well.

If a remote display/controller is needed the MT50 can be used.

A load controller is built into the XTRA4215N, to provide a variety of on/off selections for lights (i.e. ‘on’ at dusk for XX hours, then ‘off’, and ‘on’ again YY hours before dawn, until dawn).

EP Solar sells their charge controllers under the “EPEver” brand name. That is the name you will see on the box, the charge controllers are all made by EP Solar.


  • Self-consumption less than 0.6 Watt
  • Compatible with lead-acid and lithium-ion batteries
  • Support 4 charging options: Sealed, Gel, Flooded and User
  • Maximum conversion efficiency of 98% and full load efficiency of 97.4%
  • Build-in display for showing working conditions and to change settings
  • Wide MPP operating voltage range of battery Voltage + 2 Volt up to 150 Volt DC
  • PC monitoring software available for real-time data checking and parameters setting
  • RS-485, RS-232 communication bus interface and Modbus communication protocol
  • 12 & 24 VDC automatically identifying system voltage or user-defined working voltage
  • Advanced Maximum Power Point Tracking (MPPT) technology, with at least 99.5% efficient
  • Multiple load control modes: manual control, light ON/OFF, light on+timer and time control
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Mnfr. model

Controller type

Max. Voltage

Battery Voltage


Max. current


Arc-fault (AFCI)

Ground-fault (GFCI)

Temperature range


1 review for EPSolar – EPEver XTRA4215N-XDS2

  1. Éric Bélanger (verified owner)

    I have 3x345w panels in series, with 2xbattle born in series= 24 volts system. Whenever my panels goes above 110v, this controller cuts the solar panels intake to 0w. Not a 150 volt controller as described. Instructions say it might cut at 25c with 135v. But even with a fan on it, its cutting solar intake in the main sunshine.

    • Rob Beckers (verified owner)

      We’ve been selling these for a while now Eric, and have not had this issue. Probably 500+ sold by now. We’ve not had any issue running three 60-cell panels in series, and then charge a 24V battery bank. So, I wonder if there is something else going on: For a 60-cell panel, the running Voltage while charging (MPPT Voltage) is around 30 Volt, or 90 Volt for 3 in series. This goes down as panels get warmer, it’s 90V at 25C, but usually panels are closer to 60C in the sun. When the batteries get full the charge controller will start tapering the current, by letting the Voltage rise. That’s how MPPT charge controllers work. So, when you see the Voltage go above 100V it would not be trying to do bulk charging at maximum current, at that point it is trying to lower the current, until it reaches the open-Voltage of about 37 Volt per panel, or about 111 Volt. At that point the current (and power) would be zero.


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