Description 4S 30A 14.8V Li-ion Battery BMS – 18650 Protection & Balancing Board The 4S 30A 14.8V Li-ion Battery BMS Protection Board is a high-quality battery management system designed to keep your 18650 lithium battery packs safe and efficient. With built-in balance functionality, this BMS provides excellent performance for DIY projects, e-bikes, solar storage, and portable power systems. ✅ Key Features Voltage Support: Works with 4S (4-cell) 14.8V Li-ion batteries Current Capacity: Handles up to 30A continuous discharge Protection Functions: Overcharge protection Over-discharge protection Over-current protection Short-circuit protection Balance Charging: Ensures each cell charges evenly, improving battery life Compact Design: Easy to integrate into battery packs and DIY builds ✅ Specifications Battery Type: 18650 Li-ion Configuration: 4S (4 cells in series) Nominal Voltage: 14.8V Current Rating: 30A Board Type: BMS PCB with balance function ✅ Why Choose This BMS? Using this 4S 30A 14.8V Li-ion Battery BMS Protection Board ensures your battery pack remains safe, balanced, and long-lasting. Whether you’re building a custom power pack, repairing an e-bike, or working on a solar project, this protection board is a reliable choice. ✅ Applications DIY power banks E-bikes and scooters Solar energy storage Robotics projects Portable power systems
