
Basic Descriptions
This 50kwh home battery system built in BMS with LCD display. Besides all basic protections, Coremax 50 kwh lithium battery bank compatible with Most popular brand inverters, like Sol ark 13Kw or even higher models. This Battery system built in a LCD shows the details of this battery pack including information:
- Rated 48v 1000Ah 50 kwh energy
- Display cells voltage and system voltage
- Temperature of cells and MOS/BMS
- Â Charging/Discharging current Display
- Capacity and State of Charge Display(SOC)
CMX as a leading server rack and Powerwall Home Battery Manufacturer in China. We focus on LiFePo4 battery, known as LFP battery, which is the longest lifecycles and safest chemistry of all kinds of lithium battery. Our home Battery Backup reach 8000 cycles at 100%DOD. Coremax offer very good price with top quality, our powerwall home battery is 10years warranty. our battery compatible with nearly all kinds of Inverters, SMA, Solar edge, Sunny island, Deye,Growatt, Goodwe, Outback etc. look for distributorse

Home Batteries
Home batteries are used to store energy from your solar panels to use overnight or at times when the weather is overcast. It’s an emerging area for many areas, and Coremax 50 kwh Solar energy lithium battery system resolve all problem while your solar panel can't generate enough power for your home applications. Or it will connecting energy for your over night electric needs. It is a perfect battery system when you need replace your retired lead acid or AGM batteries.Â
Thinking about energy independence and reducing the stranglehold electricity companies have over you? If you are, then COREMAX can help you achieve this goal with home battery systems and energy storage. That is solar energy battery power.
This 48v 50kwh battery storage system suitable for home and works perfectly to power on grid or off grid solar system. If you already have a hybrid inverter, please tell us the model, and we can make sure our battery system works and comunicate with your existing hybrid inverter. If you don't have an inverter yet. We can provide a perfect hybrid inverter 120v/240v split phase model. Can meet most of the residential needs. In additional, this battery system can power the AC DC hybrid air conditioner
Detail Specifications:
Item | Unit | Module Specification | Remark | |
---|---|---|---|---|
Nominal Capacity | Ah | 1000Ah | Â Discharge at 0.5C | |
Actual Capacity | Ah | 1000Ah | less then 250A | |
Configuration | - | 5pcs 16S1P 48v 200Ah 10KWH modulars | Â | |
Operating Temp. | Min. | ℃ | 0 (Charge).-20 (Discharge) | @ Temp Sensor |
Max. | ℃ | 55 | ||
Storage Temp. | Min. | ℃ | -20 |    |
Max. | ℃ | 55 |  | |
Nominal Voltage | V | 51.2 | Cell 3.2V | |
Max. Voltage | V | 58.4 | Cell 3.65V | |
Min. Voltage | V | 40 | Cell 2.5V | |
Nominal Energy Content | kWh | ≥ 50kWh |  | |
Weight | Kg | ≤500kg |  | |
Resistance Consistency (10s, 25℃, 30%SOC, BOL) | - | -15%/+10% DC-IR |  | |
Discharge Operation max current (10s, 25℃, SOC50%, BOL) | A | 500 | 120 Per 1 module | |
Charge Operation max current (10s, 25℃, SOC 50% BOL) | A | 500A | 90Per 1 module | |
Continuous Discharge Operation current (25℃, SOC50%, BOL) | A | 250A | 105 Per 1 module | |
Continuous Charge Operation current (25℃, SOC 50% BOL) | A | 250 Amps | 52.5 Per 1 module | |
Standard Charge (@ 25℃ ) | - | Constant Current: ≤0.5C Constant Voltage:3.65V End Condition(Cut off): ≥0.02C |  for cells | |
The state of charge(SOC) of the module | - | SOC 30%±3% | before shipping | |
Self Discharge Rate(SOC 100%, 25℃ , Loss/Month, @BOL) | % | Max 3 |  | |
Safety and Reliability | - | Compliance with QC/T 743 test standard | GBT Certificate @cell | |
Insulation | MΩ | Min 20MΩ/1000VDC, 25℃±5℃, RH50% |  | |
Cooling type | - | Natural(Passive) Convection | (Air Cooling) |

50kW On-Grid Solar System
An on-grid solar system is a solar power setup directly connected to the public grid. The electricity generated by this system is primarily used to fulfill the immediate power needs of your home or business. During periods when your solar panels are not generating electricity, such as at night, the utility grid seamlessly supplies your electricity requirements.
Any surplus electricity produced by the on-grid solar system beyond what you consume is automatically sent back to the utility grid. To facilitate this process, an on-grid solar system typically includes components like a distribution panel, a net metering setup, and an on-grid solar inverter. It's important to note that this mechanism operates only when the primary government grid is accessible.
50kW Solar System Off-Grid
In contrast, an off-grid solar system operates independently without reliance on a utility grid. A 50kW off-grid solar system consists of solar panels, an off-grid solar inverter, solar batteries, and other essential solar components. This technology offers significant advantages, particularly in providing extensive power backup during blackouts or during nighttime hours.
During daylight, solar panels harness sunlight to generate electricity for immediate use, and any excess energy is stored in solar batteries. These batteries store surplus energy for future utilization, ensuring a reliable power supply even when the sun isn't shining. Off-grid solar systems are ideal for remote areas without access to the government grid or for individuals who prefer to generate their own electricity autonomously.
50kW Hybrid Solar System
A hybrid solar system combines the best of both on-grid and off-grid solar systems. It can connect to both the public grid and solar batteries. When the grid is available, the hybrid system can draw electricity from it, and any excess power generated can be fed back into the grid. In times when the grid is not available, the system can seamlessly switch to using stored energy from solar batteries to power your load.
Solar batteries play a crucial role in a hybrid system by storing surplus energy generated during sunny periods for later use, especially during power outages or when the solar system's output falls short of demand. This hybrid configuration offers versatility and reliability, making it a smart choice for those who want the benefits of solar power while ensuring a continuous power supply, both when the grid is up and during its absence.



Other Features
- -Safety
CMX LFP battery modules are a practical and economical battery system based on Lithium-iron-phosphate technology (LFP or LiFePO4). - -scalable
Available in standard 5kWh modules, the LFP battery modules can be easily scaled in multiples up to 200kWh in a single installation, making them suitable for a range of applications. - -Efficient
Coremax LFP battery modules feature a round-trip efficiency of 92%, low self discharge rate of 3+ years, and unlike traditional lead acid battery.
This 48v 1000 ah solar battery bank is scalable energy storage based on 5 pcs 48v 200ah CMX48200SR. The system include LiFePO4 solar 48v 1000Ah bank 50 KWH System and the server rack cabinet(price above is not include rack cabinet).
CMX solar battery, Compatible with Most of the popular brand inverters, like sol ark 13kw, 12kw. By connecting this storage battery system with you existing solar controller or energy storage hybrid inverter system very easy. You can store any excess solar energy that your system generates. Without a solar battery connected to your Solar PV system, any excess energy is sent back to the Grid. A Solar Battery allows you to store your extra solar energy to be used at any time, for example at night when your Solar Panels won’t be generating as much. Take your Solar Energy further and make the most of your Green investment, with a Coremax lithium battery storage system.
Highlights
- Long lifetimes - 8000 cycles @80% DOD (dependant on actual DOD, usage & temp.) and low self-discharge rate
- Easily scalable and stackable 5kWh modules
A self-designed BMS protects the cell from overcharge, over-discharge, over current, short circuit . - Built-in accessible DC breaker On/Off switch - increases safety .
- Communication Protocol: RS232/RS485/Canbus
- Simple rack-based installation system
- LCD display available
This 48 Volt 50 kwh battery pack design for Solar Power Systems Battery Storage. 48 volt 1000Ah is built-in high quality BMS battery management system, which can manage and monitor cells information ,including voltage, current and temperature etc. Also, our BMS can balance cells charging and discharging to extend cycle life. Multiple batteries can connected in parallel to expand capacity and power in parallel for larger capacity and longer power.

RFQ About Home Battery Solar System
Can I add a battery to my existing solar panels?
There are two ways add batteries based on existing solar system. We can do it as AC or DC retrofit. All based on your installation. The batteries we are talking about are all based on DC, which means they can be retrofitted to any solar PV system on the market.
If you not clear, please check with your inverter provider or installation electrician.
What are the advantages of a battery?
You can store your solar power to use when you desire, meaning you are less dependent on grid power, which makes you more self-sufficient. Some batteries can also protects against blackouts, which can be a big concern for some people. They might have a generator, but they want to replace the generator with a battery.
What's a kWh?
Kilowatt hours (kWh) are a measure in thousand-watt steps of how much energy an appliance uses in an hour. A 1,000 Watt microwave running on maximum for one hour uses 1 kWh. So does a 100 Watt light bulb if it’s on for 10 hours.
A 1000 watt microwave oven uses 1 kWh in one hour.
A 1000 watt microwave oven uses 1 kWh in one hour.
This means that with 13.5 kWh of stored power, the Tesla Powerwall 2 could technically run your 1000 microwave for 13.5 hours. In reality, you may only use it for 30 minutes and use lights, the TV and other appliances as well.
But if you used less than 13.5 kWh of electricity daily, the Powerwall 2 could supply you with enough power for one day, if it were fully charged.
Keep in mind that although the Powerwall 2 can store enough energy to last 13.5 kWh, it outputs a maximum of 5 kW of energy at any one time. So you need to make sure you aren’t running more than 5 kW of appliances at once. If you were running 5 kW of appliances all at once and continuously, then the Powerwall would last less than three hours.
Thinking about energy independence and reducing the stranglehold electricity companies have over you? If you are, then COREMAX can help you achieve this goal with home battery systems and energy storage. That is solar energy battery power.
FAQs
Can a solar system that produces 50 kWh per day power an entire home?
Whether a 50 kWh per day solar system can power an entire home depends on the specific energy needs and consumption habits of the household. It is essential to evaluate the daily energy usage of the home and compare it to the output of the solar system. While a 50 kWh system can be sufficient for some households, others may require additional energy sources or storage solutions to meet their demands effectively.
How much space is needed for a 50 kWh per day solar system?
The space requirements for a 50 kWh per day solar system depend on the efficiency and size of the solar panels used. Typically, such a system may need approximately 300 to 500 square feet of roof space for panel installation. However, if roof space is limited or unsuitable, ground-mounted systems can be considered as an alternative solution.
Allan Ferraz –
The standout feature of this battery bank system is its impressive 50kWh storage capacity. This substantial amount of energy storage allows homeowners to store surplus solar energy generated during the day and use it during periods of high demand or during power outages. With such a large capacity, it offers excellent flexibility and reliability in ensuring a continuous power supply.
The rack mount design adds to the system’s convenience, making it easy to install and integrate into existing solar setups. It optimizes space utilization while providing a secure and organized solution for housing the battery bank system. The robust construction ensures durability and stability, offering peace of mind that the system will withstand various environmental conditions.
The Coremax Home Battery Home Solar Lithium LiFePO4 Battery Bank System utilizes advanced LiFePO4 lithium-ion battery technology. This chemistry is known for its high energy density, long cycle life, and superior safety features. The use of LiFePO4 batteries ensures efficient energy transfer, minimal degradation over time, and enhanced overall system performance.
Furthermore, the system incorporates a reliable battery management system (BMS) to monitor and regulate the charging and discharging processes. This helps optimize battery performance, prolong lifespan, and protect against potential hazards such as overcharging, over-discharging, and overheating. The BMS enhances the overall safety and efficiency of the battery bank system.
With the Coremax 48V 1000Ah Home Battery Home Solar Lithium LiFePO4 Battery Bank System, homeowners gain greater control over their energy usage and reduce their dependence on the grid. The ample storage capacity, along with the compatibility with home solar systems, allows for optimal energy management and increased self-sufficiency.