4S Smart BMS Active Balancer For Sodium Ion Battery Bluetooth 300A Max Discharge
This BMS is specifically designed for sodium-ion batteries, with customized voltage protection parameters that match the electrochemical characteristics of Na-ion cells.
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Basic Configuration |
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|---|---|
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Function |
Configuration |
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Number of strings supported |
4S |
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Continuous current |
50A-300A |
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Number of NTCs |
2 built in, 4 external |
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Balance Function |
Active balancer 1A-3A |
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UART (non isolated) |
Standard |
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Switch function |
Optional (With/ Without) |
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Charging current limit |
Optional (With/ Without) |
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Battery packs in parallel |
Yes |
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History record |
Optional (With/ Without) |
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LCD display |
Optional (With/ Without) |
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Bluetooth |
Optional (With/ Without) |
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Heating function |
Optional (With/ Without) |
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CAN communication |
Optional (With/ Without) |
| RS485 communication | Optional (With/ Without) |
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Electrical parameters |
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|---|---|---|---|
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Item |
Symbol |
Content |
Criterion |
| Over charge Protection | VCU1 | Over charge detection voltage | 4.0+0.025V (settablel) |
| tCU1 | Over charge 1st detection delay time | 1+0.5S (settable) | |
| VCL1 | Over charge 1st release voltage | 3.70+0.05V (settable) | |
| Over discharge protection | VDL | Over discharge detection voltage | 2.0+0.08V (settable) |
| tDL | Over discharge detection delay time | 1+0.5S (settable) | |
| VDU | Over discharge release woltage | 3.70+0.1V (settablel | |
| Continue current | ICHG | Continue charge current | 50A-100A (settable) |
| IDIS | Continue discharge current | 50A-300A (settable | |
| Over current protection | OCIOV1 | Charge overcurrent detection current 1 | 300A (settable) |
| ODIOV1 | Discharge overcurrent detection current 1 | 1000A (settable) | |
| Short current protection | ISHORT | Short circuit detection current | Yes |
| tSHORT | Short circuit delay time | 500US | |
| Over Short current release | / | Over current & short current release | Load disconnection |
| Balance function | VBAL | Balance detection voltage | 3.0v (settable) |
| Balance release current | 2000mA | ||
| Temperature protection | NTC | NTC discharge temperature protection | 40-85 (settable) |
| Internal resistance | RCHG | Resistance in charge | <50mohm |
| RDIS | Resistance in discharge | <50mohm | |
| Current consumption | ISTB | Current consume in normal operation | <2250uA |
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