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:

1. Suitable for 20S (20 cell) Li-ion battery configurations
2. Intelligent passive battery cell balancing
3. Full protection: overcharge, over-discharge, overcurrent, short circuit, and temperature
4. Accurate voltage monitoring and state of charge management
5. Rugged waterproof and dustproof enclosure
6. Compact and lightweight design for easy installation
7. Ideal for e-bikes, e-scooters, solar storage, UPS systems, and DIY battery packs

Specifications of DALY Li-ion 20S 72V 50A BMS:

Parameter	Value
Battery Type	Li-ion (Lithium-ion)
Series	20S (20 cells in series)
Nominal Voltage	72V
Continuous Discharge Current	50A
Charging Current	25A
Overcharge Detection Voltage	4.25V ± 0.05V (per cell)
Over-discharge Voltage	2.8V ± 0.05V (per cell)
Overcurrent Detection	55A
Balance Function	Yes (Passive Balancing)
Balance Voltage	4.18V (per cell)
Short Circuit Protection	Yes (with automatic recovery)
Operating Temperature	-15°C to 60°C
Waterproof Rating	IP65
Dimensions (Approx.)	125mm × 65mm × 13mm
Weight	210g
IC Chip	Integrated Protection Circuit

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Package Includes:

1 × DALY Li-ion 20S 72V 50A Waterproof Battery Management System