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DALY Smart BMS Lithium-Ion 20S 72V 50A Battery Management System with UART, CAN, RS485 and Bluetooth Communication Support

DALY Smart BMS Lithium-Ion 20S 72V 50A Battery Management System with UART, CAN, RS485 and Bluetooth Communication Support

Quantity

10 Pcs MOQ

3 Day Global Shipping

Prices are subject to market fluctuations

We aim to keep pricing stable, but changes may occur based on external market factors.

Materials and care

HuaQiangBei In-Stock Supply Chain
100% Authentic Products
Rare Chip Sourcing

The DALY Lithium-Ion 20S 72V 50A Waterproof BMS is a high-quality Battery Management System designed for 20-cell Lithium-Ion battery packs. This smart BMS ensures the safe operation of your battery pack by providing protection against overcharge, over-discharge, overcurrent, and short circuits. It supports passive balancing to maintain voltage consistency across cells, thereby increasing battery efficiency and lifespan. With its waterproof design, it is ideal for use in e-bikes, solar systems, energy storage systems, and electric vehicles.

Key Features

  1. Supports 20 series Lithium-Ion cells (20S)
  2. 72V nominal battery system compatibility
  3. Smart BMS with Bluetooth, UART, RS485, CAN.
  4. Includes switch and buzzer for better protection support. 
  5. 50A continuous discharge current
  6. Full protection: overcharge, over-discharge, short circuit, temperature
  7. Passive balancing for enhanced battery life
  8. Compact and waterproof design for reliable outdoor usage

Specifications:

Parameter Value
Battery Type Lithium-Ion (Li-ion)
Series 20S (20 cells in series)
Nominal Voltage 72V
Continuous Discharge 50A
Charging Current 50A
Overcharge Detection 4.2V ± 0.05V per cell
Over-discharge Detection 2.50V ± 0.05V per cell
Overcurrent Protection 51A
Balance Function Yes (Passive Balancing)
Balance Voltage 3.70V per cell
Communication UART, RS485, Bluetooth, CAN
Waterproof Yes
Temperature Range -15°C to 60°C
Dimensions 125mm × 65mm × 13mm (typical)
IC Chip Integrated Smart Protection IC

 

Package Includes:

1 x DALY Smart BMS Lithium-Ion 20S 72V 50A Battery Management System Module

1 x Battery Connection Cable

1 x Bluetooth Module

1 x Buzzer/Alarm Module

1 x Switch with Connector

2 x Temperature Sensors(4 NTCs)

1 x Communication/Signal Cable

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