---
product_id: 143128308
title: "21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US)"
brand: "tengle"
price: "₨4261"
currency: LKR
in_stock: false
category: "Industrial"
url: https://www.desertcart.lk/products/143128308-21v-2a-18650-lithium-battery-charger-dc5-5mm-power-adapter
store_origin: LK
region: Sri Lanka
---

# 21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US)

**Brand:** tengle
**Price:** ₨4261
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US) by tengle
- **How much does it cost?** ₨4261 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/143128308-21v-2a-18650-lithium-battery-charger-dc5-5mm-power-adapter)

## Best For

- tengle enthusiasts

## Why This Product

- Trusted tengle brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Protection Function: 1. Input Overcurrent Protection 2. Output Current Protection 3. Short Current Protection Application: Suitable for lithium batteries (lithium ion batteries, lithium polymer batteries), battery pack rated voltage is 18.5-21V, capacity range is 1100-5500 mAh. For example, 18650 18490 14650 14514430 and other batteries. Specifications: Input voltage: AC100-240V//50/60Hz Output voltage: DC21V Output current: 2A Plug: US Cable length: about 0.9 meters/2.95ft DC plug: 5.5x2.5mm, compatible with 5.5x2.1mm Polarity: positive inside and negative outside Weight: about 100 g When charging, the red light is on, the green light is on when full charging, and the charging stops automatically. Note:  Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand.Package included:1 X Power Adapter Charger

## Images

![21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41wZ3%2BkSlQL.jpg)
![21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US) - Image 2](https://images-na.ssl-images-amazon.com/images/I/51xmlf0Z7yL.jpg)
![21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US) - Image 3](https://images-na.ssl-images-amazon.com/images/I/51rpHTSzjFL.jpg)
![21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US) - Image 4](https://images-na.ssl-images-amazon.com/images/I/517J9orDQ1L.jpg)
![21V 2A 18650 Lithium Battery Charger DC5.5mm Power Adapter Charger (US) - Image 5](https://images-na.ssl-images-amazon.com/images/I/519Wdj%2BU2vL.jpg)

---

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**Shop now:** [https://www.desertcart.lk/products/143128308-21v-2a-18650-lithium-battery-charger-dc5-5mm-power-adapter](https://www.desertcart.lk/products/143128308-21v-2a-18650-lithium-battery-charger-dc5-5mm-power-adapter)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-17*