17S 50A DALY Li-ion BMS 

Product Description:

The 17S 50A DALY Li-ion BMS is a reliable Battery Management System designed for 17-cell lithium-ion battery packs in series (approximately 63V nominal). It provides comprehensive battery protection and passive balancing to ensure safety, stability, and longevity of your battery pack. With a continuous discharge current of 50A, this BMS is ideal for medium-power applications such as electric vehicles, energy storage systems, and portable power solutions.

Key Features:

• Supports 17S (63V nominal) lithium-ion battery packs

• 50A continuous discharge current

• Protection against overcharge, over-discharge, overcurrent, and short circuit

• Passive cell balancing to maintain voltage consistency across cells

• Temperature protection support (NTC sensor required)

• Compact, durable design suitable for various battery applications

• Optional separate charge and discharge port configuration

Technical Specifications:

• Battery Type: Lithium-ion (3.7V nominal per cell)

• Series Configuration: 17S

• Nominal Voltage: Approximately 63V

• Maximum Charge Voltage: ~71.4V (4.2V × 17 cells)

• Continuous Discharge Current: 50A

• Balance Current: Approximately 30–50mA

• Overcharge Protection Voltage: ~4.20V ± 0.05V per cell

• Overdischarge Protection Voltage: ~2.7V ± 0.1V per cell

• Overcurrent Protection: Yes

• Short Circuit Protection: Yes

• Temperature Protection: Yes (requires NTC sensor)

Applications:

• Electric bikes, scooters, and motorcycles

• Solar and off-grid energy storage systems

• DIY 63V lithium-ion battery packs

• Portable power stations and UPS systems

• Battery management for power tools and electric vehicles