24V Outdoor Inverter Lithium Battery BMS: 7-String 15A-250A Li-ion Protection Board
24V Outdoor Inverter Lithium Battery BMS: 7-String 15A-250A Li-ion Protection Board
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$37.99 USD
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Product Parameters
If you need customized services, please consult customer service for details.
Electrical Characteristics
- Charge Voltage (Li-ion): N(strings) x 4.2V
- Discharge Current (A): 15, 20, 30, 40, 50, 60, 80, 100, 120, 150, 200, 250, 300, 400, 500
- Discharge Overcurrent Protection (A): 50 ±10, 60 ±10, 100 ±20, 160 ±30, 220 ±40, 360 ±50, 500 ±100, 1000 ±200
- Charge Current (A): 8, 10, 15, 20, 25, 30, 40, 50, 60, 75, 100, 125, 150, 200, 250
- Charge Overcurrent Protection (A): 20 ±3, 25 ±3, 45 ±5, 60 ±10, 80 ±10, 140 ±20, 200 ±30, 400 ±100
Protection Features
- Overcharge Protection:
- Detect Voltage (Li-ion): 4.25 ±0.05V
- Protection Delay: 1 second
- Release Voltage (Li-ion): 4.13V, 4.15 ±0.05V
- Balance Current: 30 ±5mA
- Overdischarge Protection:
- Detect Voltage (Li-ion): 2.7 ±0.05V
- Protection Delay: 1 second
- Release Voltage (Li-ion): 3.0 ±0.05V
- Short Circuit Protection: External load short circuit
- Self Consumption:
- Working Current: 100~200mA
- Sleep Current (over-discharge): 0uA
Temperature Range
- Working Temperature:
- Charge: -20~55℃
- Discharge: -40~70℃ (Customizable)
- Storage Temperature: -40~85℃
Package Includes
- 1 x Cable
- 1 x Battery Protection Board
(The appearance and weight of products with different currents may vary. Please refer to the actual product received. Thank you for understanding.)
Battery Protection Board Connection Guidelines
- Special attention: The wire cables of different manufacturers may vary. Ensure to use the matching cables. Note that the colors of B- and P- lines of different manufacturers can differ, so always check B- and P- markings.
- When connecting the sampling wire cable, do not insert the cable into the BMS. Connect the cable from the total negative electrode B- starting with the fine black line. The second wire (red) is connected to the positive pole of the first string of batteries and continue in sequence to the total positive B+.
- After connecting, measure the voltage between each pair of adjacent metal terminals on the plug's back side. Check respective voltages for ternary lithium, iron-lithium, and lithium titanate batteries before proceeding.
- Connect the BMS B-line (blue thick line) to the total battery negative electrode (length should not exceed 40cm).
- Then, insert the wire cable into the BMS.
Post-Connection Steps
- Ensure the voltage of battery B+, B- equals the voltage across B+ and P-. If they matches, the BMS functions correctly. Otherwise, re-check the wiring sequence.
- The positive electrodes of the charging and discharging end are directly linked to the total positive pole B+ of the battery. The wiring method for the same port BMS is for both negative poles to connect at P- point; for branch BMS, charge at C-, discharge at P-.
- If you encounter any issues, please contact customer service for assistance.