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It automatically adjusts the duty cycle of the DC/DC converter’s PWM drive signal according to changes. For linear circuits, when the load resistance is equal to the internal resistance of the power supply, the output power of the power supply is maximum. Photovoltaic cells and DC/DC converter circuits are highly nonlinear. However, for a short […]

The Importance of MPPT Solar Charge Controllers. When you look at many solar panels out there and start seeing their results, you will see voltages ranging from low to high, and voltage changes under normal operating parameters. Typical solar panels operate at more than 18 volts. Batteries are made to predetermined voltage ranges based on […]

power inverter  VA rating = Average Operating Load (Watts) / Power Factor (Efficiency – 0.8pf) To maintain more headroom for power fluctuations, it is recommended to purchase the best inverter with a higher VA rating. A modified sine wave inverter will work fine on most devices, albeit with some reduction in efficiency or power. Motors like refrigerator […]

PWM solar charge controllers are the most common, cost-effective, and easy-to-deploy charge controller solutions for small off-grid power systems. MPPT regulators have more electronics inside and are much more complex than PWM-type charge controllers. Components of the natural environment such as solar radiation levels, ambient temperature and humidity are constantly changing. Therefore, the energy of […]

At the current market price of $2/W for solar panels, the cost of solar panels in the system can be directly reduced to $650. In this case, in a larger system, the cost savings will be higher, including the cost of buying panels, cables, etc. As we said, they convert the current into a type […]

When the sun is strong, the output power of the photovoltaic cell increases greatly, and the charging current will soon reach the threshold, suspend the  Solar Charge Controller  charging, and switch to the constant current charging mode. When the sunlight becomes weak and it is difficult to maintain constant current charging, switch to the MPPT charging mode, […]

MPPT charge controllers require a higher price than  Solar Charge Controller  types, but have a wider range of applications, and in larger solar projects, mppt controllers are the only option. Choosing the right UPS and battery for your home depends entirely on your power requirements, based on the power requirements and the VA rating required of the […]

Generally speaking, higher cost batteries also perform better and last longer than other batteries of the same rated capacity. So, how do you know which ones to choose? Well, here’s a handy guide to picking a nice battery that won’t break the bank and will serve you well for the long haul. So, without further […]

Poor Watt is often misunderstood. Watts are basically just a measure of how much power a device uses or can provide when it’s turned on. A watt is a watt – there is no such thing as “watts per hour” or “watts per day”. The  inverter draws power from a 12-volt battery (preferably a deep cycle battery) […]

First on the list is a high-capacity  Hybrid Inverter . Our inverters have higher ratings and can handle loads in excess of 2KVA. HKV (High Capacity Inverter) is used in commercial places (gasoline pumps, dental chairs and small showrooms), or at home to run high-load appliances such as geysers, heaters, air conditioners, microwave ovens, etc. However, when […]

powmr has a long list of noteworthy features, and anyone looking to buy the next-gen should buy it. powmr is eco-friendly in many ways.  First, it uses lithium-ion batteries instead of old lead-acid batteries. Not only does it extend its lifespan by 3 times, but it is also maintenance free.  Second, the device […]

Many people believe that when they use a generator to charge a battery or electrical load, they need a transfer switch for an off-grid system. If you are using an  inverter/charger, there is an internal transfer switch to select between the inverter’s output and the incoming AC power. 1. Off grid solar panel charge controller. Solar […]

In addition to these benefits, using an innovative PWM solar charge controller on older technology means reducing solar system cost and battery handling issues. It also improves solar system reliability and reduces load disconnects. It also provides an opportunity to reduce battery size to reduce system cost. Yes, the name of the Powmr series offers  inverter with […]

Connect the “ferrite cable filter” to the TV power cable. More than one filter may be required. These are available at electronics stores including Radio Shack (Radio Shack part number 273-105). Some units come with special instructions to run them within the STATIC range of a pure sine wave  Hybrid Inverter  to ensure the cleanest a pure […]

Pure Sine Waves: They are compatible with almost all electronic devices, gadgets and appliances and produce powerful currents most similar to those provided by the grid. These are the most common choices as they are more likely to be compatible with whatever you need to plug in. If a traditional PWM controller is used, the […]

How to determine the size of MPPT solar charge controller. With the rapid advancement of technology, various types of MPPT solar charge controllers have appeared. When choosing a suitable MPPT solar controller, we should pay attention to 2 aspects: the current of the solar panel and the voltage of the solar panel. Theoretically, the use […]

There are few  power inverter , but the cheapest inverters are square waves. A square wave inverter can run simple things like a tool with a general purpose motor without issue, but otherwise it’s fine. Square wave inverters are already rare. Looking to use solar power, or upgrade your existing system? An inverter is a device that […]

The working principle of the MPPT charge controller. The MPPT control is generally completed by the DC/DC converter circuit. The photovoltaic cell array is connected to the load through a DC/DC circuit, and the maximum power tracking device continuously detects the current-voltage change of the photovoltaic array. They also have some wave parts that are […]

One of the most talked about online batteries for  inverter is the flat panel battery. These are the best inverter batteries for cities with frequent power outages. Speaking of plates, the positive and negative plates of FLAT PLATE batteries are geometrically flat. MPPT solar charge controllers can be perfectly combined with grid-connected solar modules. Another significant advantage […]

This means that if your solar panels typically produce 300 watts of electricity during the day, they will only produce about 1 watt in direct full moonlight. That’s nowhere near even the energy needed to run a super-efficient LED light bulb — in fact, it takes about 18 times as much power to run a […]