4S 40A 18650 Balanced BMS with Protection Board
The 4S 40A 18650 Balanced Battery Management System (BMS) with Protection Board is designed to manage and protect a 4-series (4S) lithium-ion battery pack, typically using 18650 cells. This BMS ensures the safe operation of the battery pack by balancing the charge among cells, preventing overcharge, over-discharge, and overcurrent conditions. It is ideal for use in battery packs for electric vehicles, power tools, and other high-power applications.
Key Features:
- Suitable for 4-series (4S) lithium-ion battery packs
- Supports a continuous discharge current of up to 40A
- Provides cell balancing to ensure uniform charging
- Protection against overcharge, over-discharge, and overcurrent
- Short-circuit protection
- Built-in temperature protection
- Compact and lightweight design
- Battery Configuration: 4S (4-series)
- Continuous Discharge Current: 40A
- Overcharge Protection Voltage: Typically 4.25V ±0.05V per cell
- Overdischarge Protection Voltage: Typically 2.8V ±0.05V per cell
- Balance Current: Typically 30mA
- Balance Voltage: Typically 4.2V ±0.05V per cell
- Overcurrent Protection: Activated at 60A (±5A)
- Short-Circuit Protection: Yes
- Operating Temperature Range: -20°C to +60°C
- Dimensions: Varies by manufacturer
- Weight: Varies by manufacturer
- Electric Vehicles: Provides reliable battery management for electric cars, bikes, and scooters.
- Power Tools: Ensures safe and efficient operation of battery-powered tools.
- Energy Storage Systems: Manages and protects battery packs in solar and renewable energy storage solutions.
- Portable Devices: Enhances the safety and performance of high-capacity portable battery packs.
- Connect the BMS to the battery pack according to the wiring diagram provided by the manufacturer.
- Ensure proper insulation and secure connections to prevent short circuits and other hazards.
- Install the BMS in a well-ventilated area to allow heat dissipation and prevent overheating.
- Monitor the battery pack during initial use to ensure proper operation and protection features.
- Regularly check the connections and condition of the BMS to maintain optimal performance.
- Follow the wiring diagram carefully to avoid incorrect connections that can damage the BMS or battery pack.
- Do not exceed the rated current and voltage limits to prevent overheating and potential failure.
- Handle with care to avoid physical damage to the BMS components.
- Ensure proper ventilation to prevent overheating during high-current operation.
- Keep away from moisture and extreme temperatures to maintain reliability and longevity.