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Free Shipping
On prepaid orders above INR 500
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Cash On Delivery
COD available for orders above INR 500
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3-5 Days Delivery
Shipped within 24 hrs
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Dedicated Support
Mon to Sat - 10 AM to 6.30 PM
The 4S High Current Lithium Battery Protection Board is designed to protect and manage 4-cell lithium battery packs used in high-power applications. With support for up to 30A continuous discharge, it offers stable performance and safeguards the battery pack against overcharge, over-discharge, short circuit, and overcurrent conditions. It ensures battery reliability and long service life in DIY power banks, robotics, solar systems, and portable energy storage applications.
Features:
- Designed for 4S Lithium Battery Packs (14.8V nominal / 16.8V full charge)
- Supports up to 30A high-current output
- Provides over-charge, over-discharge, overcurrent and short-circuit protection
- Balancing function to maintain consistent cell voltage
- High-quality MOSFETs ensure stable and efficient load handling
- Compact and easy to integrate into battery packs
- Suitable for DIY battery packs, portable power systems, robotics, e-bikes and solar storage units
Specifications:
- Battery Type: 4S Lithium Battery Pack
- Nominal Voltage: 14.8V
- Full Charge Voltage: 16.8V
- Continuous Discharge Current: 30A
- Charging Voltage: 16.8V
- Overcharge Detect Voltage: Approx. 4.25V ±0.05V per cell
- Overcharge Release Voltage: Approx. 4.15V ±0.05V per cell
- Over-discharge Detect Voltage: Approx. 2.7V ±0.1V per cell
- Over-discharge Release Voltage: Approx. 3.0V ±0.1V per cell
- Balancing Function: Yes
- Protection Type: Overcharge / Over-discharge / Overcurrent / Short circuit
- Operating Temperature: –20°C to +60°C
- Board Type: 4S BMS High-Current Protection Board
Package Includes:
1 × 4S High Current 30A Lithium Battery Protection Board
Returns Policy
Due to the type of products we sell, we accept limited returns. Below are the conditions where we can accept a return request.
1. Damaged During Shipment
If you receive a product damaged during shipment, please notify us within the 3 days of you receive the product, supported by the proper pictures and description. Once our support team accept the return, we will provide a replacement or a complete refund including the return shipping cost.2. Wrong Item Shipped
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.
Limitation of Returns
We don't accept the returns for the products damanged by improper use of the product. Moreover we don't accept the return, if the ordered product is not fit for any specific application. Please read the product specifications and datasheet before selecting and ordering a product. Returns are accepted only with 3 days from the date of delivery.Shipping
We ship to all over India with free shipping on all prepaid orders above 500. For Cash on Delivery orders INR 80 will be charged for orders below INR 599 and INR 30 will be charged for the orders above 599. Please contact to our support team at support@quartzcomponents.com for any question related to shipping.
Please note that the Minimum Order Value is INR 500 for COD orders.