70 Amp 12-120V MPPT Solar Charge Controller

$346.97

| 2 review(s) | Add your review

Cost-effective 70A MPPT solar charge controller for sale online. This solar power charge controller suppots lead-acid, lithium and LiFePO4 battery. LCD display in 70 amp MPPT solar charge regulator shows total power the system generated, the status of the system, battery voltage, charge status, pv voltage and charge current. MPPT solar regulator with IP21 protection level. This type of solar energy controller often used in fishing boat and farm solar power system.

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Delivery date: 6-12 days

SKU: ATO-MPPT-BDZ-70A

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Overview
Specs
FAQ
Reviews

Overview

A 70A solar charge controller is a device used in solar power systems to regulate the voltage and current coming from solar panels before it is stored in batteries. This type of charge controller prevents batteries from overcharging, which can damage them, and ensures efficient energy storage. It is suitable for larger solar setups that require handling significant power, often used in off-grid systems or for larger solar arrays. Solar controller is critical for optimizing the performance and longevity of solar power system.

Features:

Battery compatibility. MPPT pv charge controller can be used with different types of batteries, including lead-acid (sealed, AGM, gel) and lithium-ion.
Fan cooling. The builtin fast speed fan guarantees its continuous performance in cool charging.
Unattended operation. With built-in lithium battery activation function. This 70 amp MPPT lithium solar charge controller can work without battery connected.
Multiple protection. This solar charge controller has high temperature protection, overload protection, short circuit protection, under voltage protection, over voltage protection, over current protection and overcharge protection.
Maximum power point tracking. The primary feature of a MPPT controller is its ability to identify the maximum power point of a solar panel's power output. This allows the controller to adjust the electrical operating point of the modules, ensuring that the system operates at the highest efficiency possible.

Details:

LCD Display

LCD display in 70 amp MPPT solar power controller provides real-time monitoring of system parameters like voltage, and battery status, enabling users to optimize solar energy usage, enhancing user control and convenience. It also helps in visualizing performance metrics, ensuring efficient energy management. Additionally, the LCD screen often features intuitive interfaces, making it user-friendly for beginners.

Cooling Fan

It dissipates excess heat generated during high current operations, ensuring stable and efficient energy conversion. This reduces thermal stress on internal components, minimizing the risk of damage and improving reliability. The fan allows the 70A MPPT solar charge controller to operate at higher power levels without derating, thus maximizing the solar system's energy harvest.

High Efficiency Chip

A high-efficiency chip in MPPT 70A solar energy regulator optimizes energy conversion from solar panels to batteries, reducing energy loss and maximizing power output. This leads to faster battery charging, increased energy harvest, and improved overall system performance. It enhances the controller's ability to operate efficiently at different voltages, prolongs battery life by ensuring proper charging and improving durability.

70A MPPT Charge Controller Connection Terminals:

70a MPPT solar charge controller connection terminals

70A MPPT Solar Controller Wiring Diagram:

70 amp MPPT solar charge controller wiring diagram

Applications:

Solar Roof

Solar Awning

Solar Power System

Solar RV

Specs

Model		ATO-MPPT-BDZ-70A
Rated charging current		70A
Maximum input power of solar panel		996W/12V; 1932W/24V; 2890W/36V; 3864W/48V; 4830W/60V; 5796W/72V; 6762W/84V; 7728W/96V; 8694W/108V; 9660W/120V
Battery type	Lead acid	12V/24V/36V/48V/96V auto + adjustable 12V/24V/36V/48V/60V/72V/84V/96V
	Gel	12V/24V/36V/48V/60V/72V/84V/96V adjustable
	LiFePO4	single voltage 3.2V*number of strings (2-45 strings)
	Li-ion	single voltage 3.7V*number of strings (2-45 strings)
	user	adjustable limit voltage for equal charge, float charge, and DC discharge: 8V-170V
PV maximum open circuit input voltage		230V
PV minimum working input voltage		greater than the battery pack charging voltage +6V
Charging mode		MPPT automatic maximum power tracking
With the lithium battery activation function		with photovoltaic input, there is charging voltage (activate lithium battery), can be used without battery DC output
Start charging		PV voltage is greater than +3V of battery voltage (low current charging on rainy days)
The charging current is adjustable		0-70A
DC output		0-60A
Working temperature		-10 ℃~45 ℃
Quiescent dissipation		≈2W
Efficiency		≈99%
Protection level		IP21
Altitude		0~3000m
Net weight		2.6 kg
Product size		265218100 mm

FAQ

What factors affect the performance of MPPT solar charge controller?

The performance of a Maximum Power Point Tracking (MPPT) controller is influenced by several factors. First, the accuracy of the tracking algorithm is crucial, as it determines how effectively the MPPT solar power controller can find and maintain the maximum power point (MPP) under varying conditions. Second, the dynamic response of the MPPT controller affects its ability to quickly adapt to changes in solar irradiance or temperature, which is essential for maintaining optimal power output.

Additionally, environmental factors such as temperature, shading, and the quality of the photovoltaic (PV) modules play a significant role. Temperature fluctuations can alter the voltage-current characteristics of the PV modules, while shading can cause multiple local maxima, complicating the tracking process. The efficiency of the power electronics used in the controller also impacts overall performance, as energy losses can occur during conversion.

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Existing reviews

Well built 70 amp MPPT solar charge controller

It's a well built, solid 70 amp MPPT solar charge controller. I've got about a dozen charge controllers I've run up and tested so far, most are OK, but I expect this one might be a bit better overall. Time will tell.

From: Reyes Wood | Date: 1/6/2025 12:48 AM

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Good value for money

I really like this 70 amp MPPT solar charge controller. Just what I need. The panel is clear and I can see the data directly. It has been used for five months so far, and no problems have been found. My friend came to my house last week and thought this solar controller was great. He's going to buy one.

From: Keran Harris | Date: 11/3/2024 7:59 PM