EPEVER® IT-NC G3 MPPT Charge Controller – 50A,60A, 75A, 80A,100A 12/24/48VDC

EPEVER® IT-NC G3 MPPT Charge Controller – 50A,60A, 75A, 80A,100A 12/24/48VDC

SKU: 00-210V20-IT-NC
Category: MPPT
Manufacturers: EPEVER

Charging current 50A/60A/75A/80A/100A; Max Open Circuit Voltage: 200V; System nominal voltage: 12/24/48VDC Auto
Tracking efficiency of no less than 99.5%
Maximum DC / DC conversion efficiency of 98.1%; Efficiency at maximum load up to 98%.
Support battery types: Lead-acid battery: AGM, GEL, Flooded, User; Lithium battery (additional accessories from EPEVER such as Wifi / Bluetooth-Adapter, USB-RS485 cable are required for parameter settings of the lithium battery und USER)

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Smart Power Control. Built for High Demands.

The EPEVER® IT-NC G3 Series is a next-generation MPPT charge and discharge controller designed for high-performance off-grid solar applications. Whether installed in RVs, boats, remote monitoring systems, or small-to-medium solar arrays, this controller delivers intelligent energy management with unmatched reliability.

Engineered for demanding conditions, the IT-NC G3 features:

Up to 98.5% conversion efficiency with ultra-fast MPPT tracking (99.5%)
Wide voltage compatibility (12V/24V/48V) and high current capacity (up to 50A/60A/75A/80A/100A)
Lithium battery support with integrated BMS interface
Dual PV input (on the IT8420NC G3 Model and IT10420NC G3) for greater system flexibility
Advanced connectivity – RS485, CAN, Bluetooth, Wi-Fi, or 4G for real-time monitoring

The robust die-cast aluminum housing (IP43-rated), ultra-low power standby mode, and intelligent thermal management ensure long-term stability in any environment. With intuitive configuration via LCD, PC software, or mobile app, the IT-NC G3 series adapts effortlessly to both residential and industrial off-grid Needs.

*The controller starts charging the battery when the PV voltage is higher than 35V. The controller stops charging the battery when the PV voltage is lower than 25V.

Special features

Battery Versatility – Supports AGM, Gel, Flooded, LiFePO4, and other battery types.
High-voltage PV input – compatible with solar arrays up to 200 V open circuit (Voc)
Wide voltage compatibility (12V/24V/48V) and high current capacity (up to 50A/60A/75A/80A/100A)
Advanced Load Control – Direct DC load output and multiple load modes
Smart Connectivity – RS485, CAN (up to 6 units for expanded system capacity), Bluetooth, Wi-Fi & 4G-ready
Remote Configuration – Via LCD display, PC software, app, or remote
Advanced Monitoring – Offers real-time data logging, event history, and dynamic performance statistics.
EMC Class B Compliance – Meets rigorous electromagnetic compatibility requirements.
Ultra-Low Quiescent Draw – Conserves power with minimal idle consumption.
Output & Current Limitation – Customizable limits to adapt to diverse system requirements.
Battery Temperature Management – Thermal derating and battery temperature compensation
Consistent Full-Load Capacity – Delivers rated performance across the full operating temperature range.
Remote Parameter Control – Configure and monitor via PC software, mobile app, or IR remote control.
Comprehensive Protection Suite – Defends against overcurrent, overvoltage, short circuits, reverse polarity, thermal overload, low-temperature operation, and high-voltage transients both on PV and battery sides.

Technical specifications

Manufacturer model	IT5420NC G3	IT6420NC G3	IT7420NC G3	IT8420NC G3	IT10420NC G3
Rated voltage	12/24/48VDC auto	12/24/36 / 48VDC auto	12/24/36 / 48VDC auto	12/24/48V DC or Auto	12/24/48V DC or Auto
Rated charging current	50A	60A	75A	80A	100A
Discharge current	50A	60A	75A	80A	100A
Controller operating voltage range	8～62V	8～62V	8～62V	8～62V	8～62V
Max. PV open circuit voltage	200V (@ lowest temperature) 180V (@ 25℃)	200V (@ lowest temperature) 180V (@ 25℃)	200V (@ lowest temperature) 180V (@ 25℃)	200V (@ lowest temperature) 180V (@ 25℃)	200V (@ lowest temperature) 180V (@ 25℃)
MPP voltage range	(Battery voltage +2and > 28V) ～ 144V (@ 25 ℃)	(Battery voltage +2and > 28V) ～ 144V (@ 25 ℃)	(Battery voltage +2and > 28V) ～ 144V (@ 25 ℃)	(Battery voltage +2and > 28V) ～ 144V (@ 25 ℃)	(Battery voltage +2and > 28V) ～ 144V (@ 25 ℃)
Max. PV input power	650W/12V; 1300W/24V; 2600W/48V	780W/12V; 1560W/24V; 3120W/48V	975W/12V; 1950W/24V; 3900W/48V	1040W/12V; 2080W/24V; 4160W/48V	1300W/12V; 2600W/24V; 5200W/48V
Own electricity consumption	98mA/12V; 60mA/24V; 46mA/48V	98mA/12V; 60mA/24V; 46mA/48V	98mA/12V; 60mA/24V; 46mA/48V	98mA/12V; 60mA/24V; 46mA/48V	98mA/12V; 60mA/24V; 46mA/48V
Temperature compensation coefficient	-3mV / ° C / 2V (Default)	-3mV / ° C / 2V (Default)	-3mV / ° C / 2V (Default)	-3mV/℃/2V (Default)	-3mV/℃/2V (Default)
Grounding	Common negative	Common negative	Common negative	Common negative	Common negative
RS485 interface	5VDC/200mA (RJ45)	5VDC/200mA (RJ45)	5VDC/200mA (RJ45)	5VDC/200mA (RJ45)	5VDC/200mA (RJ45)
Working environment temperature	-25℃～ +60℃(Derating when temperature is higher than 40℃)	-25℃～ +60℃(Derating when temperature is higher than 40℃)	-25℃～ +60℃(Derating when temperature is higher than 40℃)	-25℃～ +60℃(Derating when temperature is higher than 40℃)	-25℃～ +60℃(Derating when temperature is higher than 40℃)
LCD temperature range	-20℃ to +70℃	-20℃ to +70℃	-20℃ to +70℃	-20℃ to +70℃	-20℃ to +70℃
Storage Temperature Range	-30℃ to +70℃	-30℃ to +70℃	-30℃ to +70℃	-30℃ to +70℃	-30℃ to +70℃
Degree of protection	IP32(Controller Only)	IP43 (Controller & White Terminal Cover); IP32 (Controller Only)	IP43 (Controller & White Terminal Cover); IP32 (Controller Only)	IP43 (Controller & White Terminal Cover); IP32 (Controller Only)	IP43 (Controller & White Terminal Cover); IP32 (Controller Only)
Dimensions	307 x 202 x 134mm (without terminal cover)	320x263x143mm (352×212×149 mm without terminal cover)	320x263x158mm (320x212x149mm without terminal cover)	352 × 263 × 158 mm (ohne Abdeckung: 352 × 212 × 149 mm)	352x263x158mm (352x212x149mm without terminal cover)
Weight	4.86kg (without terminal cover)	5.93kg (5.71kg without terminal cover)	6.62kg (6.40kg without terminal cover)	7.79kg (7.55kg without terminal cover)	7.87kg (7.63kg without terminal cover)
Relative Humidity	5%- 95 % (N.C.)	5%- 95 % (N.C.)	5%- 95 % (N.C.)	5%- 95 % (N.C.)	5%- 95 % (N.C.)
Altitude	< 5,000M (Derating when altitude is higher than 2,000m)	< 5,000M (Derating when altitude is higher than 2,000m)	< 5,000M (Derating when altitude is higher than 2,000m)	< 5,000M (Derating when altitude is higher than 2,000m)	< 5,000M (Derating when altitude is higher than 2,000m)
Certification	EN/IEC62109-1, EN61000-6-1 / EN61000-6-3,47 CFR Part 15, Subpart B, IEC62321-3-1	EN/IEC62109-1, EN61000-6-1 / EN61000-6-3,47 CFR Part 15, Subpart B, IEC62321-3-1	EN/IEC62109-1, EN61000-6-1 / EN61000-6-3,47 CFR Part 15, Subpart B, IEC62321-3-1	EN/IEC62109-1, EN61000-6-1 / EN61000-6-3,47 CFR Part 15, Subpart B, IEC62321-3-1	EN/IEC62109-1, EN61000-6-1 / EN61000-6-3,47 CFR Part 15, Subpart B, IEC62321-3-1

Which charge controller of EPEVER support lithium battery?

The MPPT Tracer AN, XTRA N and Triron N series solar charge controllers can be configured to charge lithium battery storage devices. but the parameters of lithium battery must be set by app, PC software and MT50 display. It is important that these storage devices have their own battery management system (BMS), which does not require communication with the solar charge controller.

What are grounding specifications for Lithium Battery Solar System?

The controllers of EPEVER are divided into the common positive and common negative. If the common positive BMS and negative ground controller are used together, it would cause damage to the controller or lithium battery. Therefore, when configuring a lithium battery solar off-grid system, please select the corresponding controller according to the BMS specifications (a lithium battery with a common anode selects a controller with a common anode.)

Can the charge controllers of EPEVER be connected in parallel?

Only the MPPT Tracer 50A-100A charge controllers support up to 6 units in prallel by using a parallel adapter (PAL-ADP-50AN). After adding the parallel adapter, the charging current of each controller can be adjusted automatically in real-time. The charging operation status of the controller is automatically adjusted according to the battery charging state to improve the redundancy of the entire photovoltaic system.

What is multi-stage charging (bulk charging, constant charging and float charging)?

Bulk charging In this stage, the battery voltage has not reached constant voltage (Equalize or Boost Voltage) yet. The controller operates in constant current mode, delivering its maximum current to the batteries (MPPT Charging). When the battery voltage reaches a preset value, it will switch to Constant Charging. Constant charging When the battery voltage reaches the constant voltage setpoint, the controller will start to operate in constant charging mode, and this process is no longer MPPT charging. In the meantime, the charging current will drop gradually, and the process is not the MPPT charging. The Constant Charging has 2 stages, equalize, and boost. These two stages are not carried out constantly in a full charge process to avoid too much gas precipitation or overheating of the battery. Among them, equalize charging starts only on the 28th of each month. a) Boost charging The Boost stage maintains 2 hours in default (user can adjust the constant time and preset value of boost voltage according to demand). When the duration reaches the set value, the system will switch to floating charging. b) Equalize charging Some types of batteries benefit from equalizing charges regularly, which can stir electrolytes, balance battery voltage, and accomplish chemical reactions. Equalizing charge increases battery voltage, higher than the standard complement voltage, which gasifies the battery electrolyte. The equalizing charging time is also 2h by default (settable). Equalize charge and boost charge are not carried out constantly in a full charge process to avoid too much gas precipitation or overheating of the battery. Floating charging After the Constant voltage stage, the controller will reduce the charging current to the Float Voltage setpoint. This stage will have no more chemical reactions, and all the charge current transforms into heat and gas at this time. Then the controller reduces the voltage to the floating stage, charging with a smaller voltage and current. It will reduce the temperature of the battery and prevent the gassing and charging the battery slightly at the same time.

What’s the advantage of the Remote Battery Voltage Sensor (only for charge controller 50A-100A)?

Remote Battery Voltage Sensor (RBVS) can eliminate the impact of the voltage drop on the battery connection wire. And it collects more accurate battery voltage to achieve accurate voltage control of the battery.

How to set lithium battery parameters in “USER” mode?

When selecting the “User” type to set the parameters of the lithium battery, the following precautions must be followed: 1) The control voltage parameters must be set by referring to the specifications of the lithium battery protection board, and the accuracy requirement of the lithium battery protection board is not greater than 0.2V. If the deviation is greater than 0.2V, which causes an abnormality in the system, EPEVER shall not directly or indirectly be liable for any loss or danger. 2) The temperature compensation coefficient is changed to 0; 3) The equalized voltage and the boosted voltage are the same, and the time is the same; 4) Each voltage point must follow the following logic. a. Overvoltage Disconnect Voltage > Over-Charging Protection Voltage(from BMS) +0.2V; b. Overvoltage Disconnect Voltage > Overvoltage Reconnect Voltage ≥ Charging Limit Voltage ≥ Equalize Charging Voltage = Boost Charging Voltage ≥ Float Charging Voltage ＞ Boost Reconnect Charging Voltage; c. Low-voltage Reconnect Voltage ＞ Low-voltage Disconnect Voltage ≥ Discharge Limit Voltage; d. Under-voltage Warning Reconnect Voltage ＞ Under-voltage Warning Voltage ≥ Discharge Limit Voltage; e. Low-voltage Disconnect Voltage ＞ Over-discharge Protection Voltage(from BMS) +0.2V; Warning: Please choose a lithium battery controller for lithium battery applications. It is not recommended to use a non-lithium battery controller to charge the lithium battery. If the system fails due to the use of a mismatched controller, EPEVER shall not directly or indirectly be liable for any loss or danger.

How long is the manufacturer's warranty for charge controllers?

2 years