DALY LiFePO4 4S 12V 20A Waterproof Battery Management System - BMS Protection Board is designed to provide comprehensive protection and cell balancing for 4S LiFePO4 battery packs. Featuring waterproof construction, active balancing, and multiple protection functions, it helps improve battery safety, performance, and lifespan in energy storage and battery pack applications.
DALY LiFePO4 4S 12V 20A Waterproof Battery Management System Datasheet

| Parameter | Value |
|---|---|
| Brand | DALY |
| Product Type | Battery Management System (BMS) |
| Battery Type | LiFePO4 (LFP) |
| Battery Configuration | 4S |
| Nominal Battery Voltage | 12.8V |
| Charge Voltage | 14.6V |
| Charge Current | 20A |
| Discharge Current | 20A |
| Balance Current | 30 ± 5mA |
| Balance Detect Voltage | 3.50V |
| Working Current | 100uA |
| Overcharge Detect Voltage | 3.75 ± 0.05V |
| Overcharge Release Voltage | 3.55 ± 0.05V |
| Over-Discharge Detect Voltage | 2.2 ± 0.1V |
| Over-Discharge Release Voltage | 2.7 ± 0.1V |
| Connector Type | 5-Pin Connector |
| Waterproof | Yes |
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1 x DALY LiFePO4 4S 12V 20A Waterproof Battery Management System - BMS Protection Board
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
If you receive a product damaged during shipment, please notify us within 3 days of receiving the product, supported by proper pictures and a description. Once our support team accepts the return, we will provide a replacement or a complete refund, including the return shipping cost.
If your item looks different from what is shown in the image on our website, we will take the item back and provide a refund or replacement as per your choice.
We don’t accept returns for products damaged due to improper use. Moreover, we don’t accept returns if the ordered product is not suitable for a specific application. Please read the product specifications and datasheet carefully before placing an order. Returns are accepted only within 3 days from the date of delivery.
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For any questions related to shipping, please contact our support team at support@quartzcomponents.com.
Note: The minimum order value for COD orders is ₹500.