SKU: SUNB-5.0-G01-48-PC Category:


Home Energy Storage Systems Battery: SUNB-5.0-G01-48-PC

Rapidly improving battery storage systems are increasingly being used in tandem with photovoltaic panels. Extrasolar electricity may be stored for later use instead of being sent to the National Grid.

Solar PV systems may generate great power while the sun is shining. Conversely, your earnings will be lower as a result. However, this trend often doesn’t align with most families’ need to use electricity, which is often at night when you want the lights on and to use equipment like a dishwasher or TV.

All the power your solar panels generate goes into the National Grid if you don’t use it yourself. You could be paid for it, but it wouldn’t even come close to offsetting the money you’d save by producing your power.

Home Energy Storage Systems Battery is essential in this regard. If you can store the energy generated throughout the day, you can utilize more of the power you create and save money. You can put off running the washing machine if the sun is out.

Additionally, batteries can now export and import power directly to the grid, which helps in balancing supply and demand issues on a national level and reduces carbon emissions during peak hours. One may now participate in a worldwide “battery community,” sell power to neighbors or transfer energy in other ways.

Do I Need Battery Storage?

If you use very little power and want your money back soon, battery storage is probably not for you. But if you want to make the most of the power you produce at home, but you need to make the necessary adjustments. For instance, you can only generate a little more power than you need or save up the bulk of your daily electricity use.

You want to help improve the world’s energy infrastructure while decreasing your carbon footprint. As much as possible, you want to be “off the grid” or utterly self-sufficient in terms of energy.

To calculate the return on investment, you’ll need details on your yearly power use and the solar panels’ expected or annual generating capacity. Afterward, consider the potential export fees and the estimated installation costs for the battery type you pick.

What to Consider

The battery module is the initial component. Once you know how much power you need and how much you can generate, you can start thinking about what sort of battery storage system might work best for you. Here are some things to consider that may help you in your decision.

We must bear in mind the rapid pace at which battery storage technology is advancing. In addition, the technology and associated services are developing, becoming more intricate, and giving end users greater opportunities to participate in a decentralized electrical network actively.

1. Battery Type

Most household energy storage devices utilize lithium-ion batteries (also used in consumer electronics). These batteries are more compact, lighter, and last longer than their lead-acid counterparts. Their high energy density (kWh/kg) means they can store more electricity than their size would suggest and release that electricity more rapidly.

They also need less maintenance to maintain the battery’s health and have a lower energy loss rate compared to lead-acid batteries. Due to the higher cost, lead-acid batteries are often used in off-grid dwellings where large amounts of electricity storage are required.

2. The Battery’s Usable Capacity

The capacity of a battery is expressed in terms of the amount of energy it can store in kilowatt-hours (kWh). Usable capacity is smaller than total capacity since batteries should be partially drained.

3. Amount of “Cycles.”

Although possible, a full charge and discharge in a single cycle are very unusual. Due to the common practice of only partly charging batteries, a charge and discharge of 50% are considered half a cycle. Knowing the number of warrantied cycles (i.e., the number of cycles you are promised to acquire) allows you to estimate how many kWh the battery will produce; for instance, 10,000 cycles of a 12 kWh battery would produce roughly 120,000 kWh.

Over time, the battery will wear out, resulting in less usable energy for each charge. Standard warranties for modern batteries range from 6,000 to 10,000 cycles. While batteries may last much longer than this, a standard product warranty only covers the first decade of use.

4. Charge-to-discharge Ratio

Both the input and output power levels are reported in kilowatts (kW). A 2 kW output is often inadequate to power a kettle, dryer, or electric fire, so double-check the specifications of your battery. If you can’t get your hands on enough battery power when you need it, you’ll have to augment your supply with grid energy (the “bottleneck effect”). If you have a generator that can produce 4 kW but a battery that can only accept 2.5 kW, you will lose 1.5 kW of electricity (but can export to the grid).

5. Cost per kWh of Available Storage

Batteries may be purchased on the market for a wide variety of prices. When deciding between systems with comparable batteries, the price per kilowatt-hour storage capacity is a helpful indicator.

6. Power Outages

Some batteries won’t function as a backup source if the power goes off. If that’s the case, extra rewiring could be required, and you’ll want to ensure you have enough room to hold the backup. Is it necessary to have this?

7. AC or DC Coupling

A solar photovoltaic array and a battery bank both need an inverter. An AC-coupled system requires two inverters, one for the batteries and one for the solar panels, whereas a DC-coupled system needs one. The connection type influences the system’s efficacy and efficiency. We recommend hiring an expert to handle the installation. Here are a few pros and cons.

Pros of AC Coupling

  • You can find out how many kilowatt-hours your battery inverters and solar photovoltaic systems can produce together for a power boost.
  • It can be used independently if desired. The inverter’s performance improves with a cooler battery; thus, making the inverter cooler an excellent idea.

Cons of AC Coupling

  • The problems with solar photovoltaics and batteries are unrelated. Implications of AC coupling weaker transmission of electricity by 1-3% the price increases.

Pros of DC Coupling

  • Better transmission of electricity means less wasted energy.
  • Usually at a lower cost.

Cons of DC Coupling

  • Less power is available
  • When the inverter and batteries are placed in the same area, efficiency suffers.
  • When there is a problem with the solar panels, it might also damage the inverter and the battery.

8. Electric Cars

An electric vehicle, which is essentially a giant battery on wheels, may be set to recharge automatically whenever surplus power is generated at home. The high cost of electric vehicles and battery storage systems means that only some homes will have both. If you plan on using both, you should talk to the installer about how their capacities and discharge rates can affect one another.

9. Smart Grid Compatibility

In addition to storing energy produced by solar panels on a home’s roof, some batteries can be used to store extra power from the grid. A “smart” battery can store electricity from the grid when it is cheap and plentiful and then use that power when needed in the home or sell it back to the grid when demand and prices are higher.

It’s important to remember that not all batteries can provide “virtual power plant” (VPP) services that help balance the national grid and that there are still questions about the finer points of their operation, such as whether or not this “re-exported” electricity will be eligible for Smart Export Guarantee payments.

Features of the ESS Battery SUNB-5.0-G01-48-PC

This innovation works with both new and existing solar power systems. Choose between AC-coupled and DC-coupled systems depending on whether you’re hooking up to preexisting solar (AC) or installing brand-new solar (DC).

Both systems are modular and can store anywhere from 11 to 102-kilowatt hours of energy, making them flexible enough to power your entire home in an emergency. It is compatible with the vast majority of home solar power systems. It can be used with or without solar power, so you can get the batteries in place first and then add solar panels if you like.

You can monitor the battery life and consumption via a remote control or an online app. The technology works with both brand-new and existing solar installations. The AC vent is designed for indoor use only, but it can be used in tandem with an existing external generator. Your battery will only be able to recharge once the power is restored.

Most standard home appliances can run for 6-9 hours on a single ESS Battery. If larger appliances like air conditioners need to be powered during an outage, you’ll need at least two ESS batteries.

It also has better safety in lithium iron phosphate (LFP) batteries without cobalt: Excellent performance in terms of efficiency, durability, power density, and security. Smart BMS that provides complete safety.

It is reliable with good support for high discharge power, IP65 protection, air conditioning, and temperatures ranging from -20 degrees Celsius to 55 degrees Celsius.

It is flexible and suitable for businesses and households that want to increase their self-consumption percentage.

Battery-powered auto-networking with dynamic IP addressing and support for remote monitoring and software upgrades are on the horizon.

USB flash drive firmware update support.


Make use of non-polluting, non-toxic materials to ensure the module as a whole is safe.

Directly stacked floor-standing installation requires no drilling or complex wiring; high-power density stacking design.

Batteries for storing solar energy are rapidly improving and becoming more commonplace as the transition to renewable energy continues to accelerate. Up until recently, batteries were mainly used for off-grid solar systems.

However, with the massive advancement in lithium battery technology, there has been a tremendous increase in interest from people looking to store excess solar energy, increase self-consumption, and become more energy-independent.

In addition, since extreme weather frequently causes grid-wide blackouts, people and businesses are looking for ways to ensure a steady electricity supply even during prolonged outages.

Types of Home Battery

The rapid pace of technological development has contributed to uncertainty about which battery type is best for a given set of requirements, leaving many people feeling overwhelmed by the sheer number of battery options and energy storage systems available today. The existing battery configuration options add further diversity to the mix.

The best action is to consult a solar company and learn about your battery options. However, this is only sometimes the case, as some companies need more battery expertise and to become more familiar with the nuances of AC- and DC-coupled battery designs. The good news is that this is where we come in.

Clean Energy Reviews has provided installation and maintenance services for energy storage systems since 2014. They’ve created beneficial tools and in-depth reviews to help you choose the correct battery for your needs. However, many solar experts have extensive knowledge and can advise you on the best system for your needs or how to optimize an existing solar installation.

Three Main Categories of Batteries

  • In the past, lead-acid batteries were widely used for off-grid power systems, but this is no longer the case. Lithium-ion batteries are currently the most widely used and rapidly evolving type of battery.
  • Flow batteries, which are used in larger energy storage applications and are gradually improving, are the most common choice.
  • Conventional battery systems use deep-cycle lead-acid batteries. While lead-acid batteries were once the standard, lighter, more flexible, efficient, and longer-lasting lithium-ion batteries have taken over in recent years. Major companies such as LG and Samsung began releasing lithium battery systems in 2015, and the introduction of the Tesla Powerwall sparked widespread interest in residential storage batteries.

What Role Does a Home Battery Play

The cost-effectiveness of a battery system is a hotly debated topic. Due to the high initial investment and long return period, they are not an excellent financial investment. But as solar feed-in tariffs (credits you get for feeding more solar power into the grid) decrease, the numbers begin to stack in favor of batteries. Try out our no-cost solar and battery calculator to compare the benefits and costs of various battery systems.

Buying a battery is often driven by something other than financial considerations. There are many practical reasons for homes and businesses to invest in battery storage, including

  1. The feel-good factor and emergency backup power.
  2. Many positive aspects can be attained by installing a home battery system.
  3. Cut back on coal and gas use and associated emissions and pollution.
  4. Have a backup power source ready in case of outages.
  5. One way to save money is to use less energy from the grid.
  6. Reduce your reliance on the power grid by storing any extra solar energy you produce.
  7. Assisting the grid during peak times and stabilization services to lower demand during those times.

The use of batteries in residential applications is not without its drawbacks. It can significantly increase the system’s starting price and require a hybrid inverter or other monitoring equipment. It needs to be moved to a more secure location from the sun’s direct rays and given more room to breathe.

What Size of Battery Do I Need?

Because most (lithium) battery systems are modular and scalable, you can usually find a battery that is the right size for your needs. The capacity of a battery is measured in kilowatt-hours (kWh). For lead-acid batteries, the amp-hour was the standard unit of measurement, but with the advent of lithium-ion batteries, the kWh unit has become the de facto standard (Ah).

The second thing you need to know is your home or business’s average daily electricity consumption. Since kWh is also the standard unit for measuring electricity usage, your bill should give you a reasonably accurate picture of your daily electrical needs.

Since kilowatt-hours (kWh) are the standard unit for measuring electrical use, your bill should give you a good idea of your daily consumption. On average, a family of four consumes 20 kWh daily; however, this number can be higher or lower depending on the season.

If you use a lot of electricity between 4 and 9 at night, consider switching to a different service, depending on your provider. The cost of electricity typically skyrockets during this time of year. Through our experience installing and monitoring home battery systems, we’ve determined that the sweet spot for battery size is between 6 kWh and 10 kWh.

However, the ideal battery capacity for maximum self-consumption is increasing for modern, all-electric homes and those with in-house electric car chargers. Since every house is different, there is no universal solution; luckily, our team of experts can help you figure out what you need. Please fill out the contact form to get started.

Scalability ( 1 battery group) 1 2 3 4
Energy (kwh) 4.91 9.82 14.73 19.64
Usable Energy (kwh) [1] 4.42 8.84 13.26 17.68
Charg/Discharging Current (A) Recommand 48 96 192 192
Max 96 192 250 250
Peak (2 mins, 25℃) 150 300 300 300
Depth of Discharge (%) 90%
Dimension (W×D×H, mm) 430×339×440 430×339×760 430×339×1080 430×339×1400
Weight (kgs) 50.7kgs 98.7kgs 146.7kgs 194.7kgs

Additional information

Battery Chemistry


Battery Module Energy (kwh)


Battery Module Voltage (V)


Battery Module Capacity (Ah)


System Nominal Voltage (V)


System Operating Voltage (V)


Depth of Discharge (%)


Master LED Indicator

5LED (SOC: 20%~100%), 3LED(working, alarming, protecting)

IP Rating of Enclosure




Working Temperature

Charge: 0~55°C/Discharge: -20~55°C

Storage Temperature

0°C ~ 35°C



Cycle Life

≥6000@25±2℃,1C/1C, 80%EOL

Installation Location

Floor Mounted

Communication port

CAN2.0, RS485



Life Cycle Power During Warranty Period



IEC62619, IEC61000, CE, UN38.3


Cobalt Free Lithium Iron Phosphate (LFP) Battery: Safety and long lifespan, high efficiency and high-power density. Intelligent BMS, providing complete protection.


Support high discharge power, IP65, natural cooling, wide temperature range: -20℃ to 55℃.


Modular design, easy to expand, Max.32 units in parallel, Max. capacity of 157kwh.
Suited to residential and commecial applications for increasing the self-consumption ratio.


Battery module auto networking, Automatic IP addressing, Easy maintenance, Remotely monitoring and upgrade,Support USB drive upgrade the firmware.


Use environmental protection materials, the whole module non-toxic, pollution-free.

Stacking Design

High-power density, Stacking design, floor standing installation, directly stacked, no drilling, easy wiring.

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