3S 40A BMS for Lithium Battery Pack

About this item

🔋 3S 40A BMS for Lithium Battery Pack

🛡️ Reliable Battery Management System for 3-Cell Lithium Packs

The 3S 40A BMS (Battery Management System) provides essential protection and management for 3-series lithium-ion or lithium polymer battery packs. It supports continuous current up to 40A, ensuring safe charging, discharging, and balancing of each cell.

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⚙️ Key Protections

• 🔒 Overcharge Protection
• ⚡ Overdischarge Protection
• 🔥 Overcurrent/Short-Circuit Protection
• ⚖️ Cell Balancing
• 🌡️ Temperature Protection

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📦 Compact & Durable

Designed with a compact PCB and high-quality components, this BMS fits easily into battery packs while ensuring long-term reliability and safety.

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🛠️ Applications

• 🔋 Lithium-ion or LiPo battery packs (3 cells in series)
• 🚗 Electric bikes, scooters, and vehicles
• ⚡ DIY battery projects
• 🔌 Power tools and portable devices

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⚠️ Notes

• 🔋 Designed specifically for 3S (3 cells in series) packs only.
• 🔧 Proper wiring and insulation are essential.
• 🌡️ Monitor temperature to prevent overheating.

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✨ Key Features

• 🔋 Battery Configuration: 3S (3 cells in series)
• ⚡ Continuous Discharge Current: 40A
• 🔄 Cell Balancing for extended battery life
• 🔒 Multiple safety protections included
• 📏 Compact PCB size: Approx. 60mm x 40mm

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🔗 Useful Links

• 📄 Example 3S 40A BMS Datasheet (TI bq76940)
• 📄 Battery Management System Basics (Texas Instruments)