Top 10 PWM Solar Charge Controller 40a – Renewable Energy Controllers

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1. Renogy


Renogy Wanderer Li 30A 12V PWM Negative Ground Charge Controller Compatible with Lithium, Gel, and Flooded batteries and Renogy Bluetooth Module, Sealed

Renogy #ad - Optimized for a 12v system; Deep cycle Sealed, Flooded, Gel, and Lithium battery option ready. Then secure each cable by rotating the screws clockwise CW to the closed position.

Wanderer10a|30a installation notes: the default starting position of the wanderer controller terminal hatches are closed in the UP position that could mistakenly look like an open wire hatch. Make sure to first lower each terminal hatch by screwing the terminals counterclockwise CCW to expose the wire terminal hatch to the open position. Multiple led indicators for easy to read charge status and battery information. Simple install: fully open the hatch CCW, insert the appropriate wires, and completely close the hatch CW.
BrandRenogy #ad
ManufacturerRenogy #ad
Height1.76 Inches
Length6.45 Inches
Weight0.29 Pounds
Width4.31 Inches
Part NumberRNG-CTRL-WND30-LI
ModelCharge Controller



HQST Negative Ground 40A PWM Solar Charge Controller 12V 24V Auto w/LCD Display

HQST #ad - This hqst solar charge controller is a negative-ground charge controller, ensuring that negative connections are safe and compatible.

Backlit lcd displays system information and error codes, making it easier for users to adjust settings or self-diagnose issues. 5v 1a usb output can be used to charge mobile phones, tablets, and more. Protection against: reverse polarity, overload, over-current, load short-circuit, battery short-circuit, and over-heating. Features a backlit lcd for displaying system information and error codes, which also makes it easier for users to adjust settings or self-diagnose issues.
BrandHQST #ad
ManufacturerHQST #ad

3. Autoday-3C


Vehpro MPPT 40A-100A 12V/24V Auto Focus Tracking Solar Panel Regulator Dual USB Port Charge Controller 100A

Autoday-3C #ad - Mppt solar charge controller mppt10-60: compared with normal solar charge controller, this MPPT controller could increase efficiency by 10%-30%. Note: the regulator is only suitable for lead acid batteries: OPEN, AGM, GEL.

Any problem please contact with us, we will try our best to solve your problem and make you satisfied within 24 hours. When the battery voltage is low, the controller will automatically cut off the load from the system. It is not suited for nickel metal hydride, lithium ions or other batteries. This mppt controller has perfect soc function, and supply power to the loads. Prevent the battery from over-charging, control charge current, over-discharging and reverse charging to solar panels during nights. If the voltage of battery is back to normal and the load will restart working.
BrandAutoday-3C #ad
ManufacturerAutoday #ad
Part NumberAutoday-771

4. PowMr


PWM 40A Solar Charge Controller,Intelligent USB Port Display 12V/24V Auto Charge Regulator

PowMr #ad - Build-in full protection and 3-stage charging to prolong your battery's life. Three working mode to meet your different need. Fit for open, do not use other batteries including lithium batteries, AGM, gel lead acid, nickel-metal hydride batteries, etc. 40a pwm solar charge controller with 12v/24V auto work. Max input voltage: 48V, Max input power: 1040W. Dual usb output 5v/2. 5a, with large-screen LCD display with Power-off memory. Good heat sinking design, Easy to setting and connection.
BrandPowMr #ad
ManufacturerPowMr #ad

5. SolarEpic


EPEVER MPPT Solar Charge Controller 40A 150V PV Solar Panel Controller Negative Ground W/ MT50 Remote Meter + Temperature Sensor PC Monitoring CableTracer4215BN

SolarEpic #ad - This 40 amp mppt solar panel charger works with 600w solar panel on 12v battery system and 1200w on 24V Battery. A solid state relay is recommended if you are using a Power Inverter. Rs-485 communication bus interface and standard MODBUS interface available to meet various communication requirements, Temperature Sensor and PC monitoring Cable Attached.

Negative grounding mppt solar charge controller tracer4215bn, the Advanced MPPT Control Algorithm makes this 40 Amp MPPT Controller Tracking Efficiency higher than 99. 5%. 150v max pv input allow this charge controller handles more Solar Panels Wiring in Series to minimize PV current, 5 x 12V Solar Panel Connecting in Series will be applicable.

Work with all lead acid batteries, sealed AGM GEL and Flooded Battery, User mode allows buyer setting their own charging parameters. Max solar panel 1560w, multiple load mode allow you set the load on/off in different situation.
BrandSolarEpic #ad
ManufacturerEpsolar #ad
Weight4 Kilograms
Part NumberTracer4215BN-MT50
WarrantyWe offer 2 years limited warranty

6. Renogy


Renogy Rover 40 Amp 12V/24V DC Input MPPT Solar Charge Controller Auto Parameter Adjustable LCD Display Solar Panel Regulator fit for Gel Sealed Flooded and Lithium Battery

Renogy #ad - Conversion efficiency of 98%. Compatible with various deep cycle battery options: sealed, flooded, without causing damage to any component. Customizable charging voltages. Rs232 port allows the rover to communicate with the BT-1 Bluetooth module, which can pair with the Renogy BT smart phone app.

4-stage charging: Bulk, and short circuit. Die-cast aluminum design for heat dissipation and The capability of measuring the battery's temperature and remote monitoring. Electronic protection: overcharging, Boost, Gel, overload, and Equalization and LCD screen with programmable charging parameters.

Charges over-discharged lithium-ion batteries. Error code detection for easy self diagnoses. Reverse protection: any combination of solar module and battery, Float, over-discharging, and Lithium. Automatically detect 12v or 24v dc system voltages Innovative MPPT technology with high tracking efficiency up to 99% and peak.
BrandRenogy #ad
ManufacturerRenogy #ad
Height2.85 Inches
Length6.81 Inches
Weight2.4 Pounds
Width9.37 Inches
Part NumberRNG-CTRL-RVR40



EPEVER MPPT Charge Controller 40A,12V/24V Auto Work Max PV 100V Solar Panel Regulator Charge Controller with LCD Display Negative Ground Upgrade for Gel Flooded Sealed Lithium Battery Tracer4210AN

EPEVER #ad - We have team and stock in us chicago, 12v/24v auto work, fast shipping and good Services 2018 New Released Tracer-AN MPPT solar charge controller is upgrade version then Tacer-A series, Support lead-acid batteries and Lithium Batteries too . International famous brands of st and ir's components of high quality and low failure rate are used, Charging power and current limitation function, which can ensure the product's service life, .

1 x temperature sensor as free gift Please feel free to contact with our team for techanical support, our engineer could help you find suggestion and solution. Epever 40a mppt charge controller tracer4210an, better funcations and advanced technology, common negative grounding. More Safety Protection. Compatible with lead-acid and lithium-ion batteries, real-time energy statistics function, overheating power reduction function;Multiple load work modes, With RS-485 communication bus interface and Modbus communication protocol. Monitor and set the parameters via mobile phone app or pc software, The communication port adopts professional protection chip, Battery temperature compensation function(only for Lead-acid battery), Full-load operation without any drop in capacity within the range of working.

Advanced mppt technology, advanced mppt control algorithm to minimize the maximum power point loss rate and loss time ; Wide MPP operating voltage range, with maximum conversion efficiency of 98%, perfecting system performance, with efficiency no less than 99.5%, high quality components, ultra-fast tracking speed and guaranteed tracking efficiency, Accurate recognition and tracking of multiple-peaks maximum power point ;.
BrandEPEVER #ad
ManufacturerEPEVER #ad
Height2.48 Inches
Length9.92 Inches
Width7.09 Inches
Part NumberTracer-AN



EPEVER 40A MPPT Solar Charge Controller 12V 24V Auto, 40 amp Negative Grounded Solar Charge Controller MPPT Max Input 100V, Lithium Batteries and Load Timer Setting, 520W/1040W for Lead-Acid

EPEVER #ad - Mppt controller 40a with blackligh LCD screen for displaing system information and working condition. 40a solar charge controller charging process has been optimized for long battery life and improved system performance. It includes a 4-stage battery charging Bulk, Boost, Float, and Equalization and temperature compensation increase your battery life and improve your system's performance.

It protect the battery from being over-charged by the solar modules and over-discharged by the loads. Multiple load control method, Gel, APP and MT-50 Negative ground controller featuring advanced mPPT technology with high tracking efficiency up to 99. 5% and peak conversion efficiency of 98%.

Die-cast aluminum design allows for efficient heat dissipation. Auto identifying 12V/24V DCsystem voltage. Also compatible with various Deep Cycle battery options: Sealed,. Mppt charge controller protection built-in against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current. Solar controller mppt support pc software, flooded and lithium. Maximizing the energy from solar panels to charge your system.
BrandEPEVER #ad
ManufacturerEPEVER #ad
Weight4.19 Pounds



EPEVER Latest MPPT 40a Solar Charge Controller, 12V 24V TRIRON 4210N Intelligent Modular-Designed Regulator with Software Moblie APP Updated Version of Tracer A/an Series

EPEVER #ad - Real-time energy statistic function, view/modify working parameters via APP or PC software via RS485 interface. Optional. Triron n series 40a mppt controller, an update series of Tracer A/ANSeries, can be integrated with different display and interface modules to meet a variety of functional requirements.

7 battery type selection sealedagm, lifepo4 lithium, lead-acid user, linicomnO2 Lithium, Flooded, Gel, Lithium User9~34V. Negative groud designed of this 40a modual mppt controller can be widely used for different applications, communication base stations, e. G. Street lighting systems and field monitoring, household systems, RV solar system etc. Four stages of chargingbulk, absorption, float, Equalization and all-around electronic protection prolong the lifecycle of batteries.

Dual 5v dc usb output interface of this mppt controller can charge your electronic devices directly. Can automatically identify and load the drivers of various modules. Three indicator with different color show your PV/Battery/Load working Status more Intuitive; FIve Button to adjust and browsing system's parameters in more simpler way.
BrandEPEVER #ad
ManufacturerBeijing Epsolar Technology Co., Ltd. #ad
Part NumberPD-10808



RICH SOLAR 40 Amp 12V/24V DC Input MPPT Solar Charge Controller with LCD Display Solar Panel Regulator for Gel Sealed Flooded and Lithium Battery Negative Ground

RICH SOLAR #ad - Innovative mppt technology with high tracking efficiency up to 99% and peak. Design die-cast aluminum design for heat dissipation and the capability of measuring the battery's temperature and remote monitoring.

Bluetooth rs232 port allows to communicate with the BT-1 Bluetooth module, which can pair with smart phone app. 12v/24v detect 12v or 24v dc system voltages automatically. Batteries compatible with various deep cycle batteries: Sealed, Flooded, Gel, and Lithium. Conversion efficiency of 98%. Protection electronic protection: overcharging, over-discharging, and short circuit. Customizable charging voltages. Reverse protection: Any combination of solar module and battery, overload, without causing damage to any component.
ManufacturerRICH SOLAR #ad
Height2.85 Inches
Length9.37 Inches
Weight5.11 Pounds
Width6.81 Inches
Part Number43217-120009