About CMX Powerwall
CMX lifepo4 48v 200ah lifepo4 powerwall battery (LFP-lithium iron phosphate) is an environmental-friendly backup power storage bank system. It is made of cathode lithium ion LiFePo4 materials, A grade prismatic battery cell and BMS (battery management system) and processed by self-developed core technologies.
This bateria 10kwh lifepo4 48v 200ah Powerwall is a cheaper tesla powerwall alternative the latest HBESS battery system. It features high energy and power density, and of course a long lifespan. Its easiness of installation and expansion reflect the real requirements of the end users and strong technical capability. So far, it has served over 6000+ families.
The Powerwall battery is a home energy storage system that can store energy directly from the grid, or it can store electricity generated by renewable energy sources such as wind and solar energy. CMX powerwall available in 24V and 48V backup batteries, with individual storage capacities ranging from 5kWh to 10kWh, to meet the power needs of private homes and small businesses.
Basic Specifications
- 51.2v for 48v solar inverter
- Rated 10.24 kwh at 10000w max power
- Built in 3.2v 100Ah LiFePo4 cells 16S2P
- Built in BMS with LCD screen and resistor
- Communicate with inverter by rs485/CAN
- Support 16 pcs connect in parallel max
- Wall mount design easy installation
- Over 20 years life cycle design
Coremax developed this 48v 200ah deep cycle battery for home energy storage users. No matter you are build a trid tie or offgrid system. Coremax 48v 200Ah powerwall could be a best choice. The rated energy 10kwh, can support max 16pcs connect in parallel. So, if you are build 10kwh, 15kwh, 20kwh, 30kwh or even more energy powerwall. Coremax 48 volt powerwall is the right choice.

Detail Specifications
Item | Unit | Module Specification | Remark | |
---|---|---|---|---|
Nominal Capacity | Ah | 200Ah @ 0.5C | ||
Actual Capacity | Ah | ≥200Ah @ 0.5C | ||
Configuration | - | 16S2P | ||
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 | ≥ 10kwh @ 0.5C | ||
Weight | Kg | ≤90 | ||
Resistance Consistency (10s, 25℃, 30%SOC, BOL) | - | -15%/+10% DC-IR | ||
Discharge Operation max current (10s, 25℃, SOC50%, BOL) | A | 100Amps | 120 Per 1 module | |
Charge Operation max current (10s, 25℃, SOC 50% BOL) | A | 100 A | 90Per 1 module | |
Continuous Discharge Operation current (25℃, SOC50%, BOL) | A | 100A | 105 Per 1 module | |
Continuous Charge Operation current (25℃, SOC 50% BOL) | A | 100 A | 52.5 Per 1 module | |
Standard Charge (@ 25℃ ) | - | Constant Current: ≤0.5C Constant Voltage:3.65V End Condition(Cut off): ≥0.02C | ||
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) |


STORING SURPLUS ENERGY IN BATTERIES FOR LATER USE | SIMPLE. RELIABLE. EFFICIENT
This 48v 200ah lifepo4 battery chemistry is the safest cell technology on the market, inside with 16S gotion lfp (Guoxuan cells). CMX in particular offer higher capacity cells, higher density cells and monitor individual cell voltage rather than overall pack voltage. The 10 kwh lifepo4 48v 200ah power wall bank utilise prismatic cells rather than conventional soft pouch cells which minimise heat build-up and thermal hotspots. This 10kwh power wall built in circut breaker, if there an short circut outside , the breaker works as an additional protection for your solar storage system. In addtional, we have included the LCD screen monitor to this 48v 200 ah lifepo4 powerwall
WHY USE POWERWALL
1. Powerwall 10 kwh new energy power is acceptable, and making full use of clean energy. The output power of solar energy and wind energy can be effectively smoothed. The impact to the power grid and users, which is consulted by intermittency of new energy can be effectively overcome.
2. Providing uninterrupted backup power to users. Can satisfy the requirement of users under the extreme environment, such like the power failure caused by earthquake and flood.
3. 10 kwh lifepo4 48v 200ah power wall storage bank Saving electricity for users by peak-shift. Under the price of peak valley, if the power consumption is big in the rash hour, this system can help to save expenditure by storing electricity during the electricity troughs, and using in the peak time.

Advantage of COREMAX
- 1.CMX provide OEM&ODM manufacturing with various design and one-stop battery solution.
- 2.A grade Cells and solid BMS. Reliable quality; Factory direct price; Complete production lines.
- 3.Timely and professional pre-sales service and after-sales service.
- 4.100% test before shipment; Solid package; Fast delivery and stable shipment.
- Built in 16S gotion prismatic Grade A cells. Super long life cycles
- Built in DC circut breaker in this 10 kwh powerwall
- Built in Screen LCD monitor to help check battery system ealier.


Advantages of home battery systems
- Reduce emissions - Reduce pollution and demand from coal and gas dependent power grids
- Be blackout safe - Provides backup power during a blackout or emergency
- Reduce cost - Save money by using less energy from the grid
- Become energy independent - Store your excess solar energy to reduce your grid usage
- Reduce peak demand - Supporting the grid during peak times and provide grid stability services
Wholesale Price
Looking for wholesale bulk order on this bateria 10kwh and OEM production? Please contact with Coremax directly for distributor price.
Wilmer Gigstad –
Ok. Let’s talk about a typical European city/town with low-rise apartment buildings and either street-side parking or detached parking lots. There’s about a 3:1 ratio between apartments and detached homes, so by far this is the most common scenario:There’s either no electricity sockets available at parking, or the wiring is sized to supply 1 kW per car for 30 minutes – enough to defrost and heat the engine in the morning. Not for continuous use – that is prohibited. The sockets are also in terrible condition being old and subject to the elements all the time with vandalism being common, so you’re somewhat risking a fire leaving anything plugged in anyways. At work is the same deal. The housing company refuses to tear up the parking lot and install real charging points because it would cost money and they’d have to provide alternative parking. The city or municipality won’t install charging points along the streets because it gets voted down each time – you’d have to increase taxes. You cannot buy or rent a home that comes with a parking lot with charging except for brand-new development that is non-affordable to most.The only way you can charge is by periodically driving to a fast charger and sitting there for 1-4 hours and twiddling your thumbs. Fortunately, the nearby Lild has two charging points since one of them is typically broken or already occupied.
Jay Murrieta –
Hello Mr. Hussain,The model is 51.2V160Ah, max charge and discharge current is 320A, that is what 2C means.2 times the nominal capacity, 320A equals 2 times 160.It has a higher charge and discharge current, it may be used in EVs or LSVs.Unlike lead-acid car batteries, it can also be used for energy storage.If the battery is not broken, I think it already has the BMS, and you can use it in a home solar system.It is recommended to figure out the BMS functions and settings before use and make sure it is working properly.Andy
America Mcburrough –
I’m confused about the concern for the grid with electric cars. But maybe I’ve done the math wrong:it takes about 0.346 kWh / mile to move an electric car (current average of ev’s)about 200 million licensed drivers in USabout 14,000 miles driven per driver(all the above numbers from “simple” Google searches, so they might only be approximate)Multiply it out – a little under 1000 terawatt hour of electricity for a yearThe US uses about 4000 terawatts of electricity a year right nowWhat am I missing? Yes, increasing the grid by 25 is not insignificant, but it’s not a disaster.And that’s to replace every car. And it assumes mileage doesn’t get better.And it won’t happen overnight.
Dudley Odgen –
Having not been able to get my hands on a spec for this unit, I am wondering if this may have a good application for low voltage DC installations such as remote bus stops or shelters where peak demand is low but consistent. I would assume there is a way to tap at 24 or 48 volt DC which is great for LED lighting. Does it still need a charge controller or is that internal? A nice looking outdoor rated package would certainly cut down on enclosure costs and there are tons of applications even in urban settings where getting electricity to the last leg is either cost prohibitive or unsightly.
King Hein –
Make energy pricing more responsive to actual demand and supply. People, and automated systems, would then be incentivized to buffer the system.
Carl Edworthy –
This powerwall works well with my 12kw sol ark inverter. it can communicate with this inverter very well.4pcs in parallel a perfect system. consider add some more pcs. and I also consider about the rack mount unit from coremax.