BMS-1K - Uncategorized Impact - Free user manual and instructions
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| Brand | Impact |
| Model | BMS-1K |
| Type | Battery Management System (BMS) |
| Supported Battery Chemistry | Lithium-ion, LiFePO4 |
| Cell Configuration | 4S to 16S (series) |
| Voltage Range | 12 V to 48 V |
| Continuous Discharge Current | 100 A |
| Peak Discharge Current | 150 A (for 10 seconds) |
| Max Charging Current | 50 A |
| Balancing Current | 100 mA |
| Protection Features | Overcharge, Overdischarge, Short Circuit, Overcurrent, Temperature |
| Communication Interface | CAN Bus |
| Display | LED Indicators (Status, Fault) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 15 mm |
| Weight | 200 g |
| Operating Temperature Range | -20 °C to 60 °C |
| Storage Temperature Range | -40 °C to 85 °C |
| Mounting Type | Screw Terminals |
| Standby Power Consumption | < 5 mA |
| Certifications | CE, RoHS |
| Warranty | 1 year |
Frequently Asked Questions - BMS-1K Impact
What battery chemistries does the Impact BMS-1K support?
The BMS-1K supports Lithium-ion and LiFePO4 batteries. Always confirm compatibility with your specific cells.
How do I wire the BMS-1K to my battery pack?
Connect the B- terminal to the battery negative, P- to load negative, and C- to charger negative (if separate). Ensure proper cell connections to the balance leads according to the wiring diagram.
What is the maximum number of cells the BMS-1K can manage?
It supports 4 to 16 cells in series. Do not exceed 16S to avoid damage.
How do I interpret the LED indicators?
A solid green LED indicates normal operation. Flashing red indicates a fault (overvoltage, undervoltage, overcurrent, or short circuit). Refer to the user manual for detailed fault codes.
What should I do if the BMS enters protection mode?
Check the battery voltage and connections. If overcurrent or short circuit triggered, remove the load and reset. Let the battery rest; some protections auto-recover. If persistent, inspect for damaged cells.
Can I use the BMS-1K with a 12V battery?
Yes, but ensure your battery configuration is within the supported cell count. A 12V lithium pack typically uses 4S (4 cells in series).
Is the balance current sufficient for large capacity packs?
The balancing current is 100 mA, suitable for most packs up to 200 Ah. For larger packs, consider an external balancer.
Does the BMS-1K support communication with a BMS monitor?
Yes, it communicates via CAN Bus. You can connect it to a compatible display or controller for real-time data (voltage, current, temperature).
What are the recommended torque settings for the screw terminals?
Tighten terminals to 2.5 Nm. Do not overtighten to avoid damaging the PCB.
How do I update the firmware on the BMS-1K?
Firmware updates are done via the CAN bus using the manufacturer's software tool. Download the latest firmware from the Impact website and follow the instructions.
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