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5S 15A 18650 Li-ion Lithium Battery BMS Module for 18V-21V Battery
The 5S 15A 18650 Li-ion Lithium Battery BMS is a compact and reliable protection board designed for 5-series (5S) lithium battery packs with a working voltage range of 18V–21V. It provides essential protection features such as overcharge, over-discharge, overcurrent, and short-circuit protection to ensure safe and stable battery operation. Ideal for power tools, DIY battery packs, e-bikes, LED lighting systems, and portable energy storage devices.
Features:
- Designed for 5S Li-ion battery packs (18V–21V)
- Supports continuous discharge current up to 15A
- Overcharge and over-discharge protection for extended battery life
- Short-circuit and overcurrent protection for safe operation
- Balancing function for maintaining equal cell voltage
- High-quality MOSFET and PCB design for stable performance
- Suitable for power banks, cordless tools, DIY packs, LED systems, robotics, and portable devices
Specifications:
- Battery Type: Li-ion / Lithium 18650 (5S)
- Nominal Battery Voltage: 18.5V
- Charge Voltage: 21V (max)
- Continuous Discharge Current: 15A
- Overcharge Detect Voltage: ~4.25V ±0.05V per cell
- Overcharge Release Voltage: ~4.10V ±0.05V per cell
- Over-discharge Detect Voltage: ~2.7V ±0.1V per cell
- Over-discharge Release Voltage: ~3.0V ±0.1V per cell
- Balance Current: 30–60mA (typical)
- Protection Type: Overcharge, Over-discharge, Short Circuit, Overcurrent
- PCB Material: FR4 high-strength board
- Operating Temperature: –20°C to +60°C
Package Includes:
1 × 5S 15A 18650 Li-ion Lithium Battery BMS Protection Board
1 × Balance Cable
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.