Description
JBD Smart BMS SP24S004 – 8S–24S, 150A with UART, RS485, CAN Bus, and Dual NTC Sensors
The JBD SP24S004 is a fully featured Smart BMS designed for advanced lithium battery applications. With automatic series detection, high current support, and multiple communication interfaces, this BMS is ideal for custom high-performance packs used in e-mobility, solar storage, and DIY energy systems.
Model: SP24S004
Battery Type: Li-ion (NMC) / Li-Po
Supported Cell Count: 8S to 24S (automatic recognition)
Nominal Voltage Range: 24V / 36V / 48V / 60V / 72V
Continuous Discharge Current: 150A
Max Charge Current: 100A
Balance Type: Passive
Balance Current: 60mA ±5mA (at 4.20V)
Protection Features:
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Overcharge Protection:
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Trigger Voltage: 4.25V ±0.025V
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Release Voltage: 4.15V ±0.05V
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Delay: 1.0s ±0.5s
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Overdischarge Protection:
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Trigger Voltage: 2.80V ±0.08V
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Release Voltage: 3.00V ±0.05V
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Delay: 1.0s ±0.5s
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Overcurrent Protection:
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Level 1: 300A (500ms)
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Level 2: 400A (320ms)
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Short Circuit Protection: Enabled
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Temperature Protection: Supported via 2x NTC thermistors (10kΩ)
Communication & Software:
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Interfaces: UART, RS485, CAN
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App Support: Xiaoxiang BMS (Bluetooth module required)
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PC Software: JBDTools via UART-USB adapter
Monitor and configure parameters such as:
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Individual cell voltages
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Total pack voltage
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Charge/discharge toggling
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Current, temperature, and error logs
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Protection thresholds and calibration
Environmental & Mechanical:
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Operating Temp: -20°C to 70°C
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Storage Temp: -40°C to 125°C
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Humidity: ≤93% RH (non-condensing)
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Dimensions: 160mm × 60mm × 12mm
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Weight: ~250g
Included:
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1x JBD SP24S004 150A BMS
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Balance lead wiring harness
Applications:
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48V–72V battery packs for electric bikes, scooters, and carts
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Off-grid solar battery banks and mobile powerwalls
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DIY energy storage using 18650 or 21700 cells
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High-performance experimental power systems
This BMS is engineered for users who need reliable protection, deep configurability, and real-time visibility into their battery systems. Trusted by DIY builders and integrators who demand both performance and safety.
