13S 50A JBD Li-ion Smart BMS (With Balance, Protection, and Communication)

Product Description:

The 13S 50A JBD Li-ion Smart BMS is an intelligent Battery Management System designed for 48V lithium-ion battery packs (13 cells in series). It offers a full suite of protective features, cell balancing, and support for smart communication interfaces including UART, RS485, and optional Bluetooth. Ideal for applications requiring both reliability and advanced monitoring, such as electric vehicles, solar storage systems, and high-efficiency energy solutions.

Key Features:

• 13S (48V nominal) lithium-ion battery support

• 50A continuous discharge current

• Smart communication support: UART / RS485 / optional Bluetooth module

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

• Passive cell balancing for consistent battery performance

• Monitoring via PC software and Android app (with Bluetooth module)

• EEPROM for data storage and system calibration

• Supports multiple NTC temperature sensors

• Optional separate charge/discharge port design

Technical Specifications:

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

• Series Configuration: 13S

• Nominal Voltage: 48V

• Maximum Charge Voltage: 54.6V

• Continuous Discharge Current: 50A

• Balance Current: Approximately 30-60mA

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

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

• Overcurrent Protection: Configurable via software

• Short Circuit Protection: Yes

• Temperature Protection: Yes (NTC sensor support)

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

• Software Support:

  • PC software (USB to UART adapter required)

  • Android mobile app (Bluetooth module required)

Applications:

• Electric bicycles and scooters

• Lithium battery storage systems (solar/wind/off-grid)

• DIY battery packs and portable power stations

• Energy backup systems (UPS)

• Smart energy management projects