

19″ rack mount LiFePo4 solar ESS 15S 16S 100A 200A Battery managment external BMS
$250.00 Original price was: $250.00.$190.00Current price is: $190.00.
External BMS is a 15S or 16S 48V /51.2v BMS is design for Lithium iron phosphate battery packs. And this Coremax external BMS design for solar energy storage system. Different from built in BMS, the external BMS will be a perfect solution both of DIY or battery pack factories. if you have a problem when using brand gsl, bsl battery, meritsunpower,genixenergy, gyll, jakiper battery, trophy battery, must ess, sok battery, signature solar, ufo, gso,sako,taico, seplos and youth power. This external BMS could be a best replacement for maintain. Just remove the old internal BMS and use Coremax external BMS out side of the battery packs.
Pros of an external BMS:
1) You can manually top/bottom balance individual cells.
2) An external BMS gives you a lot of useful metrics to measure individual cell health.
3) If a cell fails, you can replace it.
4) They are cheaper (substantially so).
The external BMS from Coremax is design for rack mount solar energy storage system. This BMS with built in different brand inverter communication protocols. In additional. CMX external BMS has heating function. If you are leaving in a place under 0 degreen. This external BMS could be a great choice for you to make battery storage system.
This BMS is not only suitable for DIY users, but also suitable for large quantity production factories. It can always provide you best protection on the solar energy storage systems.

external 16S BMS is widely used in lithium iron phosphate batteries for their efficient power balancing, over-discharge, over current, and short circuit protection. Our Battery Management System 48V is compatible with locomotion applications i.e.; wind energy storage systems, home energy storage systems, UPS backup power, communication base station power, emergency equipment, and DIY batteries, etc.
Detail Specifications
| Item | Programmable | |
|---|---|---|
| Monomer overcharge protection | ✔ | Yes |
| Monomer overvoltage release | ✔ | Yes |
| Monomer over-discharge protection released | ✔ | Yes |
| Overall over-charge protection | ✔ | Yes |
| Overall overvoltage protection released | ✔ | Yes |
| Overall over discharge protection | ✔ | Yes |
| Overall over-discharge protection released | ✔ | Yes |
| Over charge protection | ✔ | Yes |
| Charging overcurrent protection | ✔ | Yes |
| Discharge overcurrent 1 protection solution except | ✔ | Yes |
| Discharge overcurrent 2 | ✔ | Yes |
| Discharge overcurrent 2 protection release | ✔ | Yes |
| Short circuit protection | ✔ | Yes |
| MOS high temperature protection | ✔ | Yes |
| Cell temperature protection | ✔ | Yes |
| Ambient temperature alarm | ✔ | Yes |
| Current consumption | ✔ | Yes |
| Banlance function | ✔ | Yes |
| Capacity default setting | ✔ | Yes |
| Sleep function | ✔ | Yes |
Power Balancing:
- Power balancing 2.65V
- Balance release volt 2.65V
- Balance current 40±5mA
Over discharge protection:
- Over discharge detect volt 2.8±0.05V
- Over discharge detect delay 0.5V
- Over discharge volt release 3.0±0.05V


Over current protection:
- Over current detect volt 150mV
- Over current detect delay 9MS
- Over current protection Can be customized
Short circuit protection:
- Short circuit protection; External load short circuit
- Short circuit detect delay 250uS
- Short circuit detect release; Disconnect load
Resistance: Main circuit resistor ≤10mΩ
Self-consumption: Working current ≤100uA
Sleepy current: (When over-discharged) ≤20uA
Working temp: Temp range -20/+80ºC

Support Different inverter brand protocols like SMA, Luxpower, Deye, Victron, Growatt, Goodwe, Solis, sol ark, outback, and so on.
APPLICATIONS
- Battery backup – A simple, robust option for using clean energy to keep a building powered during power outage. lithium ion powerwall 100 amp hour 48 volt suitable for single use or in parallal.
- Self-supply – Obtain energy from Solar panels or AC grid, and work independence by storing excess solar energy for later use
- Time-of-Use – Store off-peak grid power for use when utilities charge the highest rates.
- Demand charge curtailment – Reduce the demand charge for businesses
- Off-grid – Use renewable house hold lifepo4 battery for solar storage energy to power your home during the day light, and stored excess energy for the night.
Computer Monitor Software

“CMX 48v 100ah lifepo4 battery for solar storage eliminated the most difficult challenges we face when building microgrids in remote tropical locations. The batteries are much easier to transport and they have a good chance of lasting the entire 20 years. This means CMX batteries generally pay for themselves in under 4 years!”
The tesla powerwall alternative from CMX is one of the best source I got from China. This powerwall with 5 kwh energy. When I use 2pcs for the small system works perfectly with my growatt 5000w inverter. Our customer love this Coremax powerwall so much and most important it can really last.
This is a perfect lithium 48v 100ah battery powerwall I have ever got from China. CMX use laser welding for these prismatic lfp cells and the BMS can communicate with my sol art 8000w and 12000w inverter. it shows all information. thanks guys. a cheaper alternative to tesla powerwall.


Professinal Package
Lithium batteries are DG goods. The shipping must according to MSDS and UN38.3 regulations. Coremax lithium batteries have passed all required rules. All batteries packed with foams in a brown carton box. Then fit into wood case or wooden pallet. The packing materials provide strong protections to inside batteries. Make sure customer receive batteries in a best condition.
How to ship lithium battery packs.
- 1. For small lithium batteries cells and small battery packs, we can ship by air or express.
- 2. For heavy shipment and higher wh/ batteries, we will shipping by freight. For large order, we ship by containers.
- 3. Coremax provides standard shipping to most area like USA and Europe. Shipping service include DDU. DDP. Please confirm with our sales team for the latest shipping rate.
Lithium ion batteries are different from normal shipment. It requires special shipping forwarder to take care of them. You are welcome to use your shipping agent. Before that, please confirm with your agent as these are DG shipment. We provide shipping service to most area and different country. As battery weight and detail address will cause a different shipping rate. Please contact us for the exactly shipping cost on your order.
About COREMAX
Through cooperation with famous university on constant research and development in new technologies on BMS and Lithium batteries, we are heading toward leader status in the BESS industry due to its high-end technology. With rich experience and knowledge, we offer competitive and reliable LiFePo4 battery systems to promote the brand image, which in-turn has a profound influence on the whole industry. Innovations in research and development provide the best returns for our customers while at the same time providing the inspiration for our further development. Through great management, talented and forward-thinking engineers, high-quality products and first-class customer service, we aims to provide the best vapor experience. To our delight, we have earned a reputation all around the world. We believe that based on honest business practices and stable development, we can be all you want. Our goal is that everyone has a great experience with us, in accordance with our slogan of all for your health. Operation Philosophy: Quality and customer service are the decisive factors in any enterprise future. With that in mind, we implement the policy: Customer first, Quality first. Our forward thinking strategy has made us a consistent source of innovation across the industry in E-cigarettes and our production flexibility has allowed us to keep pace with the changing demands.
Shipping
With strict operating delivery systems in place, customers in the UK, Western Europe, and the US can be delivery door to door service. There is no more additional works on custom clearance for small quantity order.
Customer Service:
As the LiFePo4 lithium battery storage system industry is expanding rapidly in such a short amount of time, there is a high demand for certain products that take weeks and even months to arrive at the retailer. We are looking for distributors from different country like USA, Australia, Germany, England, Lebanon and South Africa..










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