7S 15A 18650 lipo BMS with Protection Board
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The 7S 15A 18650 LiPo Battery Management System (BMS) with Protection Board is designed for managing and protecting lithium-ion battery packs consisting of seven series-connected 18650 cells. This BMS ensures safe operation by monitoring cell voltages, balancing charge among cells, and providing protection against overcharge, over-discharge, overcurrent, and short circuits.
Key Features:
- Cell Configuration: Supports 7 series (7S) 18650 LiPo cells.
- Current Rating: Handles continuous discharge currents up to 15A.
- Protection: Offers overcharge, over-discharge, overcurrent, and short-circuit protection.
- Cell Balancing: Balances cell voltages to maintain battery health and performance.
- Compact Design: Small and lightweight for easy integration into battery packs.
- Heat Dissipation: Designed to dissipate heat effectively, ensuring stable operation.
- LED Indicators: May include LED indicators for status monitoring (depending on the model).
- Battery Configuration: 7S (7 cells in series)
- Max Continuous Discharge Current: 15A
- Overcharge Protection Voltage: Typically set around 4.25V per cell
- Over-discharge Protection Voltage: Typically set around 2.5V per cell
- Overcurrent Protection: Activated at currents exceeding 15A
- Short-circuit Protection: Immediate shutdown in the event of a short circuit
- Balance Current: Typically around 50mA to 100mA per cell
- Dimensions: Varies by manufacturer, typically designed to fit within standard battery pack enclosures
- Electric Vehicles: Managing battery packs in e-bikes, e-scooters, and other electric vehicles.
- Portable Electronics: Ensuring safe operation of high-capacity battery packs in laptops, power banks, and other devices.
- Solar Energy Storage: Used in solar battery storage systems for balancing and protection.
- DIY Projects: Ideal for hobbyists building custom battery packs for various applications.
- RC Models: Protecting battery packs in remote-controlled aircraft, cars, and boats.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment