The LiitoKala 4S-12V100A Smart BMS integrates passive balancing, Bluetooth monitoring, and robust safety features for 48V LiFePO4 batteries. It optimizes cell voltage balance, extends battery lifespan, and enables real-time performance tracking via mobile apps. Designed for solar systems, EVs, and energy storage, its 100A continuous discharge rating suits high-demand applications while preventing overcharge/over-discharge risks.
Deespaek 48V 100Ah Golf Cart Battery
How Does the LiitoKala BMS Enhance Battery Safety?
The BMS employs multi-layer protection against overvoltage, undervoltage, overcurrent, and short circuits. Its passive balancing function equalizes cell voltages within ±20mV, minimizing capacity fade. The aluminum alloy casing dissipates heat efficiently, maintaining thermal stability even at maximum 100A discharge rates. Built-in temperature sensors trigger automatic shutdowns if cells exceed 60°C.
The system implements progressive response protocols for different fault scenarios. For minor voltage deviations (50-100mV), it initiates gradual balancing over 2-3 charge cycles. Severe imbalances (>300mV) trigger immediate charging suspension. The short-circuit protection reacts within 200 microseconds, faster than most mechanical breakers. A redundant voltage monitoring IC cross-checks primary sensor data to prevent false triggers.
| Protection Feature | Threshold | Response Time |
|---|---|---|
| Overcharge | 3.75V/cell | 15ms |
| Over-discharge | 2.50V/cell | 20ms |
| Overcurrent | 150A | 500μs |
What Bluetooth Capabilities Does This BMS Offer?
Through the LiitoKala app (iOS/Android), users monitor real-time parameters including individual cell voltages, pack temperature, cycle count, and SOC. Historical data graphs reveal performance trends, while customizable alerts notify users of abnormalities. Firmware updates via Bluetooth ensure compatibility with evolving battery technologies.
The app’s dashboard displays essential metrics through color-coded indicators, with drill-down menus for technical details. Users can export battery health reports containing capacity retention percentages and balance efficiency metrics. A unique feature allows setting geographic usage zones – if the battery moves beyond predefined coordinates (useful for anti-theft), the BMS initiates lockdown mode. The Bluetooth 5.0 chip maintains stable connections through moderate obstructions, though signal strength decreases by 45% when passing through metal enclosures.
Deespaek Battery Energy Density
| Data Parameter | Update Frequency | Measurement Accuracy |
|---|---|---|
| Cell Voltage | 2 seconds | ±5mV |
| Pack Temperature | 5 seconds | ±1°C |
| State of Charge | 1 minute | ±3% |
“The LiitoKala 4S-12V100A redefines entry-level BMS expectations. Its ±5mV voltage detection accuracy rivals premium brands, while the 15ms response time to faults sets an industry benchmark. The true innovation lies in its adaptive balancing algorithm – instead of continuous balancing, it initiates correction only during charging phases, reducing energy waste by 40%.”
— Dr. Ethan Zhao, Battery Systems Engineer
FAQs
- Can this BMS handle lithium titanate (LTO) cells?
- No. Designed exclusively for 3.2V LiFePO4 chemistry. LTO’s 2.4V nominal voltage would trigger undervoltage errors.
- What’s the Bluetooth range?
- Standard BLE 5.0 range: 30m line-of-sight. Metal enclosures reduce effective range to 8-10m. Use Wi-Fi extenders for remote monitoring.
- How to reset the cycle counter?
- Hold the “Reset” button on PCB for 10 seconds while disconnected from power. Requires disassembling the battery pack – consult manual for void-warranty warnings.