The 3S 5A Smart Battery Protection Board (SMBUS-Compatible) delivers advanced safety and adaptability for diverse electronic devices. Engineered for reliability, it supports a wide discharge temperature range of -20 °C to 65°C and a charge temperature range of 0 °C to 55°C (adjustable), ensuring stable operation in demanding environments.

Equipped with SMBUS communication, it enables real-time monitoring of voltage, current, and temperature, while providing multi-layer protection against overcharge, over-discharge, short-circuit, and overcurrent. Ideal for applications such as portable medical devices, IoT systems, and small-scale energy storage, this protection board enhances battery longevity and performance across various use cases.

• Through the SMBUS communication protocol, real-time feedback on battery status (such as SOC, SOH, temperature) is provided, supporting data interaction with host devices for easy system integration.
• Built-in protections for over-voltage, under-voltage, short-circuit, over-current, and temperature to ensure safe battery operation.
• Supports active balancing function to extend battery pack life and improve consistency.
• Modular design for easy integration, suitable for various industrial and solar system applications.

• Energy Storage Systems (ESS)
• Electric Power Tools
• Home Solar Battery Systems
• Drones and DIY Custom Li-ion Battery Packs

• 12-month warranty with lifetime technical support
• 100% tested before shipment to ensure safety and reliability
• Dedicated account manager and technical support with 48-hour response