High-Performance Lithium Battery Protection Board
Ultra-precise 3.7V protection board engineered with advanced overcharge, over-discharge, and overcurrent safeguards to extend battery lifespan. Features premium-grade MOS tubes for ultra-low resistance and minimal heat generation.
Industrial-Grade Durability
Robust PCB coated with oxidation-resistant solder mask, ensuring stability in high-load applications. Ideal for DIY power banks, electric vehicles, drones, and portable electronics.
Smart Safety Mechanisms
Auto-cutoff at 4.25±0.05V (overcharge) and 2.4±0.1V (over-discharge) with ±25% overcurrent tolerance. Precision-machined contacts for zero voltage drop.
Bulk Supply Advantage
Direct factory pricing for wholesale buyers—no middlemen. Compatible with 18650, 26650, and polymer lithium cells. Stock ready for global bulk shipments.