Description
The DALY BMS Li-ion 6S 24V 20A Battery Management System is designed for 6-series lithium-ion battery packs made from compatible cells such as 18650 Li-ion cells. It helps monitor and protect the battery pack during charging and discharging.
This 6S 24V BMS provides essential protection against overcharging, over-discharging, excessive current, short circuits and temperature-related conditions. It also includes a cell balancing function to help maintain consistent voltage across the battery cells.
With a 20A continuous discharge current rating, the BMS is suitable for DIY lithium-ion battery packs and applications where dependable battery protection and management are required.
6S 24V Li-ion Configuration
This BMS is designed specifically for a 6S lithium-ion battery pack.
A 6S configuration consists of six lithium-ion cell groups connected in series. The nominal voltage of a typical 6S Li-ion battery pack is approximately 22.2V, commonly referred to as a 24V battery system.
Important: This product is designed for Li-ion batteries. Make sure your battery chemistry and 6S configuration match the BMS before installation.
Battery Protection Functions
Overcharge Protection
The BMS monitors the voltage of the individual cell groups and helps prevent the cells from being charged beyond their recommended voltage.
This protection is important for maintaining safe and reliable operation of the lithium-ion battery pack.
Over-Discharge Protection
The BMS also monitors cell voltage during discharge and helps prevent excessive discharge, which can damage lithium-ion cells or reduce battery life.
Over-Current Protection
The board is designed for a 20A continuous discharge current and uses high-voltage-resistant, low-internal-resistance power MOSFETs for current handling.
Short-Circuit Protection
The BMS includes short-circuit protection to help protect both the battery pack and the protection circuit when an abnormal short-circuit condition occurs.
Temperature Protection
Temperature protection is provided during charging and discharging to help protect the battery pack under abnormal temperature conditions.
Cell Balancing
The DALY 6S 24V 20A BMS includes a built-in cell balancing function.
Cell balancing helps maintain more consistent voltage levels between the six series-connected battery groups, supporting more stable battery pack operation and charging.
Heat Dissipation
The BMS uses a heat sink to help dissipate heat generated during operation.
Combined with the low-internal-resistance power MOSFET design, the heat sink helps the board handle its rated continuous current more effectively.
Low Power Consumption
According to the supplied product information, the total power consumption of the BMS is less than 50µA.
The low power consumption design helps reduce unnecessary battery drain while the BMS is operating.
Protective Conformal Coating
The PCB uses a conformal coating described in the supplied specifications as providing resistance against:
- Corrosion
- Water/moisture
- ESD
This coating is intended to provide additional protection for the electronic components and PCB.
Applications
The DALY 6S 24V 20A Li-ion BMS can be used for various lithium-ion battery projects and applications, including:
- 18650 battery packs
- DIY Li-ion battery packs
- 24V-class battery systems
- Solar battery projects
- Portable power systems
- Electric mobility projects
- Power tools
- Battery-powered equipment
- Other 6S Li-ion applications
Key Features
- Designed for 6S Li-ion battery packs
- 24V-class lithium-ion battery system
- 20A continuous discharge current
- Overcharge protection
- Over-discharge protection
- Over-current protection
- Short-circuit protection
- Temperature protection
- Built-in cell balancing function
- High-voltage-resistant MOSFETs
- Low internal resistance design
- Heat sink for improved heat dissipation
- Extremely low power consumption
- PCB conformal coating
- Designed for 18650 and compatible Li-ion battery packs
Technical Specifications
| Specification | Details |
|---|---|
| Brand | DALY |
| BMS Type | Li-ion Battery Management System |
| Battery Configuration | 6S |
| Battery Chemistry | Lithium-ion (Li-ion) |
| System Voltage | 24V-class |
| Nominal Pack Voltage | Approximately 22.2V |
| Continuous Discharge Current | 20A |
| Cell Balancing | Yes |
| Overcharge Protection | Yes |
| Over-Discharge Protection | Yes |
| Over-Current Protection | Yes |
| Short-Circuit Protection | Yes |
| Temperature Protection | Yes |
| Power Consumption | Less than 50µA |
| Heat Dissipation | Heat sink |
| PCB Protection | Conformal coating |
| Compatible Battery Type | Li-ion battery packs |
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