BMS LFP 4S 80A SMART CAN DALY (42e4)

DALY Smart BMS LiFePO4 4S 12V 80A Common port with Balance

Product Data Sheet

The DALY BMS LFP 4S 80A SMART CAN is a high-performance smart Battery Management System designed for 12.8V LiFePO4 battery packs. Engineered with advanced CAN Bus communication, robust construction, and comprehensive protections, this BMS ensures reliable performance for high-drain applications like electric vehicles, solar inverters, industrial backups, and off-grid power systems.

Technical Specifications

• Battery Configuration: Smart BMS LiFePO4 4S 12V 80A Common port with Balance
• Continuous Discharge Current: 80A
• Over-Voltage Protection: 3.8V
• Charge Current: 40A
• Charge Voltage: 14.6V
• Short Circuit Protection: Yes, with auto recovery
• Temperature Protection: Over-temperature and under-temperature protection
• Features: Overcurrent, overcharge, over-discharge, and temperature protection

Key Features

• 80A High Current Support
  Supports high power applications including 1000W+ motors, solar charging, and large ESS setups.

• Smart Monitoring with CAN/RS485/UART
  Connects to PC, BMS software, or other microcontrollers for real-time control and status reading.

• Full System Protection
  Includes protection from overcurrent, overcharge, undervoltage, thermal fault, and short circuit.

• Configurable Firmware
  Easily fine-tune settings like cutoff voltages, delay times, temperature limits, and balance control.

• Temperature-Responsive Safety
  Dual NTC sensors safeguard against thermal runaway, improving longevity and stability.

• Industrial-Grade Design
  Rugged aluminum casing, soldered contacts, and compact layout optimized for field installation.

Application Areas

• Electric Vehicles – E-scooters, e-bikes, e-rickshaws
• Solar Off-Grid Storage Systems
• DIY Battery Projects – Robotics, drones, energy banks
• Residential & Industrial Backup UPS Systems
• 12.8V Power Tools and Mobile Power Units

With the wide application of lithium batteries in the lithium battery industry, requirements for high performance, high reliability and high cost performance are also put forward for battery management systems. This product is a BMS specially designed for lithium batteries. It can collect, process and store the information and data of the battery pack in real time during use to ensure the safety, availability and stability of the battery pack.

Using professional high-current trace design and technology, it can withstand the impact of ultra-large current. The appearance adopts the injection molding sealing process to improve moisture resistance, prevent the oxidation of components, and prolong the service life of the product. dust proof, shockproof, anti-squeezing and other protective functions. There are complete overcharge, over-discharge, over-current, short circuit, equalization functions. The integrated design integrates acquisition, management, communication and other functions into one