10Pcs 3A Bms Pcm Battery Protection Board For 3.7V 18650 Li-Ion Lithium Battery W/ Solder Be Jb Over Current Protection Function

Description: 3.7V 1S 18mm Lithium Battery Protection Board (BMS), compatible with 18650/26650/14500/21700 lithium batteries, delivers reliable battery management and protection to extend battery lifespan and ensure usage safety. Features: 1. High-Precision Integrated IC Chip: Adopts premium integrated circuit chip, monitors battery voltage, current and operating temperature in time, effectively avoids abnormal battery operation and prolongs the overall service life of your battery pack. 2. Active Balance Management: Built-in professional balancing control circuit, automatically adjusts the power of each battery cell during charging and discharging cycles, improves charging efficiency and maximizes the total capacity utilization of the battery pack. 3. Multi-Layer Safety Protection: Equipped with overcurrent, overvoltage, overheat and short circuit protection modules, immediately cuts off power output when abnormalities are detected, fully protects your batteries and connected electronic devices from potential damage. 4. Universal Compatibility: Standard 1S 3.7V specification with pre-welded nickel conductive strips, fits all common cylindrical lithium batteries including 18650, 26650, 14500 and 21700 models, meets diversified application demands. 5. Durable PCB Construction: Made of high-quality flame-retardant printed circuit board with precision soldering process, offers stable electrical conductivity, good corrosion and high temperature resistance, supports long-term stable operation under different working environments. Specifications: Category: Lithium Battery Management System (BMS) / Battery Protection Board Material: Flame-retardant PCB, integrated IC chip, nickel conductive strip Size: As shown in the figure Color:As shown in the figure Application: Suitable for DIY battery packs, power banks, portable power supplies, small household electronics, low-power electric tools and 3.7V lithium battery powered devices Quantity : 10 pieces per pack Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.