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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
This 21V 2.5A Lithium-Ion Battery Charger is specifically designed to charge 5S Li-ion NMC battery packs, which have a nominal voltage of 18.5V and a full charge voltage of 21V. Engineered with an SMPS (Switch Mode Power Supply) design, this adapter efficiently converts AC mains power (100–240V) into a stable 21V DC output at 2.5A, making it ideal for safe, reliable, and high-speed charging.
Ideal for e-bikes, cordless drills, electric toys, balance vehicles, robotics, or DIY electronics, this charger offers optimal performance with built-in protection features.
Features:
- Optimized for 5S Li-ion NMC battery packs (18.5V nominal, 21V max charging voltage)
- Wide input voltage: 100–240V AC, 50/60Hz – compatible worldwide
- Stable output: 21V DC @ 2.5A for fast and safe charging
- LED indicator: Shows charging and power status at a glance
- Durable ABS plastic housing: Lightweight, compact, and travel-friendly
- Secure DC barrel jack output for easy connection
Specifications:
- Input Voltage: 100–240V AC, 50/60Hz
- Output Voltage: 21V DC
- Output Current: 2.5A Max
- Output Power: 52.5W
- Connector Type: DC Barrel Jack
- Body Material: ABS Plastic
- Country of Manufacture: India
Applications:
- Charging 5S Li-ion NMC Battery Packs
- Cordless Drills & Power Tools
- E-Bikes and Balance Vehicles
- LED Headlights and DIY Electronics
- Robotics and Portable Battery Systems
Package Includes:
1 × 21V 2.5A Lithium-Ion Battery Charger (SMPS Adapter)
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.