LF LI Model Number AY-LS20S110A-H165 (16S-20S) Communication Interface RS485/CAN Charging voltage DC:51.2V~64VCC/CV(3.2V/Cell)16s~20s DC:67.2V~84VCC/CV(4.2V/Cell)16s~20s Maximal continuous charging current 110A Maximal continuous discharging current 110A Current consume in normal operation ≤20mA Current consume in sleep operation ≤100uA Balance voltage for single cell 3.6±0.05V 4.2±0.05V Over charge detection voltage 3.65±0.05V 4.25±0.05V Charge Over current detection current 130±3A Discharge Over current detection current 1 250±3A Discharge Over current detection current 2 350±3A Short Protection YES SOC 5%~8% Technical Specification Size L165 * W100 * T17 mm NTC 10K Temperature switch / ℃(the batteries temperature) Weak current switch YES Active balance / Heater / Braking Resistors / Other Parameter Low temperature protection when charge 0℃ Release temperature( low temperature protection) 5℃ Over temperature protection when charge 60℃ Release temperature( over temperature protection) 55℃ Low temperature protection when discharge -15℃ Release temperature( low temperature protection) -10℃ Over temperature protection when discharge 65℃ Release temperature( over temperature protection) 55℃ Operating Temperature Range -40~+85℃ Storage Temperature Range -40~+125℃ Temperature Parameter LCD display screen YES LED light board / Bluetooth mode / 4G / GPS / Optional Configuration 16S–20S 110A Smart BMSEngineered for Demanding Power ApplicationsOur 16S–20S 110A Smart BMS, designed for medium-to-high voltage lithium battery packs, combines intelligent ... - AYAA TECHNOLOGY CO., LTD
LF | LI | |||
Model Number | AY-LS20S110A-H165 (16S-20S) | |||
Communication Interface | RS485/CAN | |||
Charging voltage | DC:51.2V~64V CC/CV(3.2V/Cell) 16s~20s | DC:67.2V~84V CC/CV(4.2V/Cell) 16s~20s | ||
Maximal continuous charging current | 110A | |||
Maximal continuous discharging current | 110A | |||
Current consume in normal operation | ≤20mA | |||
Current consume in sleep operation | ≤100uA | |||
Balance voltage for single cell | 3.6±0.05V | 4.2±0.05V | ||
Over charge detection voltage | 3.65±0.05V | 4.25±0.05V | ||
Charge Over current detection current | 130±3A | |||
Discharge Over current detection current 1 | 250±3A | |||
Discharge Over current detection current 2 | 350±3A | |||
Short Protection | YES | |||
SOC | 5%~8% |
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Size | L165 * W100 * T17 mm |
NTC | 10K |
Temperature switch | / ℃(the batteries temperature) |
Weak current switch | YES |
Active balance | / |
Heater | / |
Braking Resistors | / |
Low temperature protection when charge | 0℃ | ||
Release temperature( low temperature protection) | 5℃ | ||
Over temperature protection when charge | 60℃ | ||
Release temperature( over temperature protection) | 55℃ | ||
Low temperature protection when discharge | -15℃ | ||
Release temperature( low temperature protection) | -10℃ | ||
Over temperature protection when discharge | 65℃ | ||
Release temperature( over temperature protection) | 55℃ | ||
Operating Temperature Range | -40~+85℃ | ||
Storage Temperature Range | -40~+125℃ |
LCD display screen | YES |
LED light board | / |
Bluetooth mode | / |
4G | / |
GPS | / |
16S–20S 110A Smart BMS Engineered for Demanding Power Applications Our 16S–20S 110A Smart BMS, designed for medium-to-high voltage lithium battery packs, combines intelligent communication, safety features, and strong current handling. This BMS offers reliable performance, safety, and control whether it is used in business backup systems, industrial-grade applications, or domestic energy storage. Technical Highlights: Battery Configuration: 16–20 series lithium cells are supported. Continuous Current: Perfect for systems needing constant high power, up to 110A Compatibility: Utilizes NMC, LTO, and LiFePO4 (LFP) chemistries Advanced Protections: Protections against overcharging, overdischarging, short circuits, overcurrents, overheating, and low temperatures Active Cell Balancing: Increases the battery pack’s lifetime and performance. Communication Protocols: Both RS485 and CAN are supported for integration with monitoring platforms, inverters, and EMS. User Interface: PC software and an optional Bluetooth app for remote configuration and real-time insights Thermal Management: Improved heat-dissipation design for steady operation under high loads Application Scenarios: Residential & commercial solar energy storage Off-grid and hybrid power systems Telecom tower battery packs Industrial backup energy solutions Medium voltage e-mobility systems Why Choose Us 20+ Years of Industry Experience With over 20 years of experience in battery management and power solutions, we are the most qualified to comprehend the needs of the evolving electric vehicle and energy storage markets. Innovative R&D Capabilities From integrated software platforms to ingenious BMS design, our dedicated R&D team never stops pushing the boundaries of technology to provide smarter, safer, and more effective products to the market. Proven Product Reliability Our BMS and power solutions undergo extensive testing in challenging conditions to ensure longevity, stability, and optimal performance in real-world applications such as motorbikes, golf carts, forklifts, and energy storage systems. Customization and OEM/ODM Services We offer a wide range of customization choices that address form factors, wireless modules, communication protocols, and battery types to meet your specific needs. Comprehensive Technical Support From pre-sales advice to after-sales servicing, our technical expertise is available 24/7 to help you with setup, integration, and troubleshooting. Certifications and Compliance Because we fully adhere to international standards such as CE, IEC62109, VDE, and CQC, every product we sell is of the highest quality and safety. Whether your business is a system integrator, an electric car manufacturer, or a supplier of battery packs, we are your trustworthy partner for scalable, intelligent, high-current BMS systems. We can power your next breakthrough. Our Certificates ![]() FAQ: Q:What is the difference between smart BMS and regular BMS? A: The features of smart active balance BMS: Smart active balance BMS performs better in terms of protection than standard BMS. By automatically adjusting the battery pack’s voltage and current, the smart active balance BMS may provide more accurate protection. Q:Can I run a lithium battery without BMS? A: Any Li-ion battery, LTO, or other chemistry always requires a BMS. Li-ion cells should never be operated unprotected; doing so poses a risk to people and property, and at best to the cells themselves. Q:What does BMS mean on a battery? A: Battery Management System, or BMS, is what a battery is. It is an electronic system that ensures safe and effective functioning by managing, protecting, and keeping an eye on a battery pack. Q:Do I need a BMS with a LiFePO4 battery? A: An important component of your battery system is a BMS. Without it, your LiFePO4 battery—especially LiFePO4 batteries—may sustain irreversible damage and possibly become dangerous. Q:Can you overcharge a lithium battery with a BMS? A: Lithium batteries are shielded from overcharging by the Battery Management System (BMS). An electronic system called a BMS keeps an eye on and controls a number of battery-related functions. Q:Do all lithium batteries have a built-in BMS? A: Certain lithium batteries, such those found in computers and cell phones, could not come with a BMS integrated into the battery pack. To monitor the battery and avoid overcharging or overdischarging, the device itself may incorporate circuitry or a separate BMS module in these situations. |