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On prepaid orders above INR 500
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COD available for orders above INR 500
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1S 18650 Lithium Battery Capacity Indicator Module - LED Level Tester
The 1S 18650 Lithium Battery Capacity Indicator Module is a compact LED-based level tester designed to visually display the remaining charge of a single-cell (1S) lithium battery. Using a simple 4-level LED bar display, it provides an instant indication of battery status, making it ideal for portable devices, DIY battery packs, power banks, and energy storage projects. The module is easy to integrate and offers reliable monitoring of lithium cell voltage.
Features:
- LED bar indicator for real-time battery level display
- Designed for single-cell (1S) 3.7V lithium batteries
- Four-step LED indication for different charge levels
- Compact and easy to integrate with DIY battery packs
- Low power consumption
- Useful for power banks, small electronics, and lithium battery projects
Specifications:
- Input Voltage: 3.0V – 4.2V (single Li-ion cell)
- Battery Type: 1S 18650 / Li-ion / LiPo (3.7V nominal)
- Display Type: 4-level LED bar indicator
- LED Indication Range (Approx.):
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4 LEDs ON: ≥ 4.0V (Full)
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3 LEDs ON: ~3.85V
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2 LEDs ON: ~3.65V
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1 LED ON: ~3.45V (Low)
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< 3.3V: Battery very low
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- Module Type: Voltage-based battery level tester
- Power Consumption: Very low
- Dimensions: Compact small PCB
- Operating Temperature: –10°C to +60°C
- Applications: Power banks, battery packs, DIY electronics, portable devices
Package Includes:
1 × 1S 18650 Lithium Battery Capacity Indicator Module - LED Level Tester
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.