40S 128V 50A Relay BMS for Lithium Lifepo4 Battery
Master Slave BMS for Solar Energy Systems, UPS, ESS, and 3/4 Wheel Applications
Key Specifications
- System voltage range: 30-60S (120-228V DC)
- Current rating: 50A
- Communication protocols: CAN, RS485, Dry Contact
- Design: Master & Slave all in one
- Dimensions: 410mm(W) × 232mm(H) × 128mm(D)
Unique Design
This is the latest product developed by GCE, featuring a unique market design that combines master and slave functionality in a single unit.
Compatible Battery Systems
Integrated BMS supports 30S-75S lithium battery packs, specifically designed for multiple strings of small capacity batteries less than 100Ah.
Technical Specifications
| Product Name | Integrated BMS (master slave together in one) |
| Model no. | RBMS07S60S50A |
| System voltage range | 120 - 228 V DC |
| Startup mode | DC start (optional AC and DC starter) |
| Number of battery strings | 60 S（4 x 15 S） |
| Balance type | Passive resistance equalization |
| Balanced current | 100mA ± 10mA (Single cell 3.4V) |
| Temperature Sampling | 12 Battery temperature(4*3), ± 2℃ accuracy |
| Voltage Sampling accuracy | Single cell ±20mV |
| Communication mode | CAN: 1 channel (communication with PCs / UPS)
RS485: 1 channel (communication with upper computer / PCS / UPS)
Bluetooth: optional (android app available)
GPRS: optional |
| Display mode | 6-digit LED indicator with fault/operation/SOC power indication |
| Hall sensor specifications | 50A/100A |
| Maximum load of power components | Steady-state：100A, transient state：150A/10S (Adjustable) |
| Operating Temperature | Charging: －10～75℃
Discharging: -20 to 75℃
Storage: -40 to +75℃ |
Product Features
- High integration with minimal installation space requirements
- Long life cycle (>3000 times at 80% DOD)
- Environmentally friendly (no heavy metals)
- Maintenance free with no memory effect
- Internal BMS with full protection features
- Master and Slave functionality integrated in one unit
Applications
- Home storage systems
- Island off-grid energy storage
- Micro-grid applications
- UPS power supply
- Power System 220V DC power supply
Company Profile
Hunan Group Control Energy Technology Co., Ltd. (GCE) is a high-tech company specializing in the research and development of BMS and lithium battery peripheral equipment. Our high-performance intelligent lithium battery management system adopts international leading technology, improving battery management efficiency and prolonging lithium battery service life.
Certifications
Packing & Shipping
Frequently Asked Questions
1. Are you a manufacturer or simply a trading company?
We are a manufacturer, and we sincerely welcome you to visit our factory.
2. Can I get some samples?
Yes, a sample order is available for quality checking and market testing.
3. What kind of cells are applicable to this Battery Management System?
LFP, NMC, LTO
4. How about the delivery time?
The lead-time usually takes about 15 to 20 working days accordingly to the specification of your order and quantity.
5. What are your terms of payment?
Advanced T/T is the main payment term, and other payment terms are negotiable. Please contact us, we'll discuss the details.
6. What are your warranty terms?
We offer a 3-year warranty for RBMS, 1-year warranty for PCB.
7. Can you produce BMS with customization requirements?
Yes, based on the order quantity, we can make some small adjustments.
8. How does your factory do regarding quality control?
Quality always comes first. All our products go through strict quality control processes from incoming material to the assembling process. Each product will be tested before packing & shipping.
9. What Trade Terms are available?
No limitation on the trade terms. We normally do EXW for orders amounts smaller than 20000USD, and FOB for the rest ones. Moreover, we can send BMS via DHL&UPS&FEDEX quickly and easily.
10. Is your BMS easy and convenient to install & test?
This is our 4th generation high voltage BMS. It's an overall BMS solution, meaning you don't need professional technology to install our high-voltage BMS to form a complete battery system.
11. What benefits do customers get?
Our high voltage BMS has complete battery charge and discharge control logic and balance function between batteries. We can also set various parameters of the system according to the actual needs of customers to ensure the stability, reliability and efficient performance of the system.
12. How to Contact with you?
You can contact with Cara for quotation. Whatsapp&Skype: +8617321496453, Email: cara@hngce.com
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