Optimize your battery management with this high-performance 4S Battery Active Equalizer, designed for efficient balancing and protection of ternary lithium (NCM) and lithium iron phosphate (LFP) batteries. Operating within a working voltage range of 1.8V to 4.5V, this equalizer ensures optimal battery health and extends battery life through precise voltage equalization and protective features. Key Features: · Wide Compatibility: Ideal for 4S battery packs using ternary lithium and lithium iron phosphate chemistries, supporting working voltages from 1.8V to 4.5V. · High-Precision Equalizing: Utilizes ultra-low internal resistance MOSFETs and a 2OZ thick copper PCB to deliver stable performance with voltage balancing accuracy within 5mV, ensuring reliable battery equalization. · Adjustable Equalizing Current: Supports an equalizing current range from 0 to 5.5A, adapting to different battery conditions; static current is approximately 12mA, which decreases as battery balance improves to conserve energy. · Sleep Power Off Mode: Features a reserved wiring position for a sleep switch, enabling a low-power sleep mode with a working current under 0.1mA, ideal for energy-saving applications. · Undervoltage Protection: Built-in undervoltage sleep protection automatically enters sleep mode when voltage drops below 3.0V, safeguarding battery health by preventing over-discharge. Specifications: · Item Type: Battery Active Equalizer · Material: PCB and Electronics · Working Voltage: 1.8V – 4.5V · Battery Type: NCM (Ternary Lithium), LFP (Lithium Iron Phosphate) · Equalizing Current: 0 – 5.5A · Equalizing Voltage Accuracy: Within 5mV Package Includes: · 1 x Battery Active Equalizer This Battery Active Equalizer combines advanced electronic components and precise design to provide efficient voltage balancing and protection for your lithium battery packs. Its durable PCB construction and energy-saving features make it an indispensable accessory for maintaining battery performance, enhancing safety, and extending battery pack lifespan in a variety of applications.