DALY Li-ion 20S 72V 50A Waterproof Battery Management System - BMS Protection Board

The DALY Li-ion 20S 72V 50A BMS is a high-performance battery management system designed to protect and manage lithium-ion battery packs configured in a 20-series (20S) arrangement, providing a nominal voltage of 72V. It ensures stable and safe battery operation by delivering comprehensive protection against overcharge, over-discharge, overcurrent, short circuit, and overheating.Built with a waterproof, dustproof, and vibration-resistant housing, this BMS is well-suited for high-voltage applications such as electric bikes, electric scooters, solar energy storage systems, backup power units, robotics, and custom-built battery packs. It features intelligent passive balancing and precise voltage monitoring to enhance battery efficiency, extend lifespan, and maintain consistent performance across all cells.Features of DALY Li-ion 20S 72V 50A BMS:Suitable for 20S (20 cell) Li-ion battery configurationsIntelligent passive battery cell balancingFull protection: overcharge, over-discharge, overcurrent, short circuit, and temperatureAccurate voltage monitoring and state of charge managementRugged waterproof and dustproof enclosureCompact and lightweight design for easy installationIdeal for e-bikes, e-scooters, solar storage, UPS systems, and DIY battery packsSpecifications of DALY Li-ion 20S 72V 50A BMS:ParameterValueBattery TypeLi-ion (Lithium-ion)Series20S (20 cells in series)Nominal Voltage72VContinuous Discharge Current50ACharging Current25AOvercharge Detection Voltage4.25V ± 0.05V (per cell)Over-discharge Voltage2.8V ± 0.05V (per cell)Overcurrent Detection55ABalance FunctionYes (Passive Balancing)Balance Voltage4.18V (per cell)Short Circuit ProtectionYes (with automatic recovery)Operating Temperature-15°C to 60°CWaterproof RatingIP65Dimensions (Approx.)125mm × 65mm × 13mmWeight210gIC ChipIntegrated Protection CircuitExplore wide range of DALY Smart BMS >Package Includes:1 × DALY Li-ion 20S 72V 50A Waterproof Battery Management System

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