Description
The DALY BMS LFP LiFePO4 8S 24V 20A is a fixed-configuration Battery Management System designed for 24V LiFePO4 battery packs. It is suitable for battery packs consisting of 8 × 3.2V LiFePO4 cells connected in series and includes a balance/sense cable for cell voltage monitoring and balancing.
This BMS is specifically designed for LiFePO4 chemistry and cannot be used with Li-ion, Li-Metal, or LTO batteries. It helps protect the battery pack against overcharging, over-discharging, excessive temperature, and short circuits.
The BMS supports commonly used cylindrical and prismatic LiFePO4 cells, including 18650, 21700, and 36500 formats, making it suitable for custom battery packs and various power applications.
Key Features
- Fixed 8S LiFePO4 BMS configuration
- Designed for 24V LiFePO4 battery packs
- Rated continuous discharge current: 20A
- Supports 8 × 3.2V cells in series
- Cell voltage monitoring and balancing
- Overcharge protection
- Over-discharge protection
- Short-circuit protection
- Temperature protection
- Balance current: 30 ± 5mA
- 9-wire balance/sense cable with connector
- Compatible with cylindrical and prismatic LiFePO4 cells
- Suitable for 18650, 21700, and 36500 cells
Applications
- 24V LiFePO4 battery packs
- Electric bikes
- Electric skateboards
- Solar power systems
- RV battery systems
- Household energy storage
- Power tools
- Camping boats
- Lawn and garden equipment
- Custom lithium battery packs
Protection Functions
- Overcharge Protection: Helps prevent individual cells from being charged beyond the specified voltage.
- Over-Discharge Protection: Protects the battery from excessive discharge.
- Temperature Protection: Provides protection during high- and low-temperature conditions.
- Short-Circuit Protection: Shuts down the battery circuit when a short circuit is detected.
- Cell Balancing: Helps maintain balanced voltage levels between cells during charging.
Battery Compatibility
- Battery Chemistry: LiFePO4 / LFP only
- Series Configuration: 8S fixed
- Cell Voltage: 3.2V nominal
- Battery Pack: 8 × 3.2V cells
- Nominal Pack Voltage: 24V
- Not compatible with: Li-ion, Li-Metal, or LTO batteries
Package Includes
- 1 × DALY 8S 24V 20A LiFePO4 BMS
- 1 × 9-wire balance/sense cable with connector
Specifications
| Specification | Details |
|---|---|
| Brand | DALY |
| Battery Type | LiFePO4 / LFP |
| Series Configuration | 8S |
| Nominal Battery Voltage | 24V |
| Continuous Discharge Current | 20A |
| Peak Current | 60 ± 10A |
| Main Circuit Resistance | ≤ 20mΩ |
| Charge Voltage | S × 3.75V |
| Charge Current | 10A |
| Overcharge Detection Voltage | 3.75 ± 0.05V |
| Overcharge Protection Delay | 1S |
| Overcharge Release Voltage | 3.65 ± 0.05V |
| Balance Detection Voltage | 3.5V |
| Balance Release Voltage | 3.5V |
| Balance Current | 30 ± 5mA |
| Over-Discharge Detection Voltage | 2.7 ± 0.1V |
| Over-Discharge Detection Delay | 1S |
| Over-Discharge Release Voltage | 2.7 ± 0.1V |
| Over-Current Detection Delay | 1mS |
| Over-Current Detection Condition | Off load |
| Short-Circuit Protection Condition | Short circuit external load |
| Short-Circuit Detection Delay | 250µS |
| Short-Circuit Relay Condition | Off load |
| Charging Temperature Protection | < -5°C or > 50°C |
| Discharging Temperature Protection | < 70°C |
| Working Current | 15µA |
| Sleeping Current | 20µA |
| Working Temperature | -20°C to 70°C |
| Sleeping Temperature | -40°C to 80°C |
| Weight | 1.1 oz |
| Dimensions | 1.6 × 2.4 × 0.4 inches |
| Balance Cable | 9-wire sense cable |
| SKU | BMS-034 |
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