7S 24V 20A Lithium Battery Protection Board

Name: 7S 24V 20A Lithium Battery Protection Board
SKU: NS-0126
Availability: InStock

₦ 7,500

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Description

The 7S 24V 20A Lithium Battery Protection Board (BMS) is a safety module designed to manage 7-cell Li-ion battery packs, providing essential protections such as overcharge, over-discharge, and overcurrent prevention. These boards typically support a continuous discharge current of 20A and often feature cell balancing to ensure all cells reach full charge simultaneously.

Key Specifications:

Voltage Support: Designed for 7 series (7S) 3.6V/3.7V Li-ion batteries with a nominal voltage of 24V-25.9V and a full charge voltage of 29.4V.
Current Ratings: 20A continuous discharge current with some models supporting peak/instantaneous currents up to 60A.
Protection Thresholds:
- Overcharge Detection: 4.25V ± 0.05V per cell.
- Over-discharge Detection: 2.7V to 2.8V ± 0.05V per cell.
Balancing Function: Most models include passive balancing with a balance current of roughly 40mA to 80mA, starting around 4.18V per cell.
Thermal Management: Many boards use an aluminum heat sink or plate to improve MOS tube heat dissipation.