17S 50A JBD Li-ion Smart BMS 

Product Description:

The 17S 50A JBD Li-ion Smart BMS is an advanced Battery Management System designed for 17-cell lithium-ion battery packs in series (about 63V nominal). It features comprehensive battery protection, passive cell balancing, and smart communication protocols including UART, RS485, and optional Bluetooth. Suitable for medium- to high-power applications, it ensures battery safety, performance, and real-time monitoring.

Key Features:

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

• 50A continuous discharge current capacity

• Smart communication support: UART, RS485, and optional Bluetooth module

• Full protection: overcharge, over-discharge, overcurrent, short circuit, and temperature

• Passive cell balancing to maintain cell voltage uniformity

• Supports multiple temperature sensors (NTC)

• Data logging and system calibration with built-in EEPROM

• Configurable via PC software and Android app

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: Around 30-60mA

• Overcharge Protection Voltage: ~4.20V ± 0.025V per cell

• Overdischarge Protection Voltage: ~2.8V ± 0.08V per cell

• Overcurrent Protection: Software configurable

• Short Circuit Protection: Yes

• Temperature Protection: Yes (NTC sensor support)

• Communication Interface: UART / RS485 / Bluetooth (external module)

• Software Support:

  • PC software (USB-to-UART adapter required)

  • Android app (Bluetooth module required)

Applications:

• Electric bicycles, scooters, motorcycles

• Solar energy storage and off-grid battery systems

• DIY 63V lithium-ion battery packs

• Portable power stations and UPS systems

• Smart battery management and monitoring systems