High-Performance 1-20 Series Lithium Battery Protection Board
Premium-grade PCB with advanced IC chips for precise voltage monitoring and overcharge/overcurrent protection. Features high-conductivity copper layers and durable FR-4 fiberglass substrate for superior heat dissipation and longevity. Compatible with cylindrical lithium cells (18650/21700) in DIY power banks, e-bikes, solar storage, and industrial equipment.
Universal Testing & Computer Connectivity
Integrated USB/TTL interface enables real-time data logging and parameter adjustment via PC software. Supports 1S to 20S battery configurations with ±0.01V voltage detection accuracy. Ideal for lab testing, custom battery packs, and RC hobbyists.
Bulk Purchase Advantage
Direct factory pricing ensures unbeatable wholesale rates for bulk orders. Strict quality control with CE/RoHS certification. Ships globally with customizable OEM packaging. Stock ready for fast dispatch.
Endless Applications
Perfect for electric vehicles, medical devices, backup power systems, and portable tools. Engineered for stability in high-drain environments (-20°C to 70°C operational range). Minimal standby power loss (<50μA).
Why Us?
Lowest global prices. One-stop wholesale solutions. 24/7 technical support. Trusted by 10,000+ industrial clients.