---
product_id: 60516427
title: "ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged"
brand: "swikee"
price: "₩25070"
currency: KRW
in_stock: true
reviews_count: 8
url: https://www.desertcart.kr/products/60516427-etl-fcc-8-5v-or-8-4v-1a-ac-to
store_origin: KR
region: South Korea
---

# 8.4V DC output, 1A current 5.5mm x 2.1mm DC plug size Multi-layer safety protections ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged

**Brand:** swikee
**Price:** ₩25070
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smartly, charge confidently — never miss a beat!

## Quick Answers

- **What is this?** ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged by swikee
- **How much does it cost?** ₩25070 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/60516427-etl-fcc-8-5v-or-8-4v-1a-ac-to)

## Best For

- swikee enthusiasts

## Why This Product

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

## Key Features

- • **Space-Savvy Design:** Slim, elongated form factor maximizes outlet accessibility—no more blocked sockets in your workspace.
- • **Robust Safety Suite:** ETL, FCC, CE, RoHS certified with overcurrent, overvoltage, overload, and short-circuit protections for peace of mind.
- • **Precision Power Delivery:** Reliable 8.4V 1A output tailored for 2-string 18650 Li-ion batteries ensures optimal charging performance.
- • **Smart LED Charge Indicator:** Dynamic red-to-green LED signals charging status, preventing overcharge and enhancing battery longevity.
- • **Universal Voltage Compatibility:** Supports AC 100-240V input for seamless global use without the need for adapters.

## Overview

The Swikee 8.4V 1A AC to DC power adapter is a certified, high-quality charger designed specifically for 2-string 18650 Li-ion battery packs. Featuring universal AC input (100-240V), a 5.5mm x 2.1mm DC plug, and a smart LED indicator that shifts from red to green upon full charge, it ensures safe, efficient, and reliable charging. Its advanced safety protections and space-saving design make it an essential accessory for professionals relying on medical devices, CCTV monitors, massagers, and other lithium polymer battery-powered gadgets.

## Description

8.4 Volt Battery Charger Specification for 2 strings 18650 Battery only.Don't use it for other batteries.Kindly reminder: 1.Before Bid, be sure to confirm that the interface size of this product matches with yours. Wrong size will not work!!! ( The interface size of the DC plgu is 5.5mm Round Barrel) 2. This product has many kinds of protection functions, enter the protection mode, LED lights will flashing red light. When this happens, unplug the adapter immediately and check if the circuit is short-circuited, if the electrical power exceeds the rated power of the adapter, etc. Sepcification: Input voltage: AC 110V / 220V (AC90-264V suitable for anywhere in the world voltage level). Output: DC 8.4V 1A. Output Wire length: 1.5m / 5ft. Output interface: 5.5*2.1*10 mmCertification: ETL UL FCC With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection.（Enter Protection mode , with flashing red light）. Charging process LED indicator changes: 1. No-load status LED is green; 2. Charging, the first phase of constant current charging, LED indicator is red. Charge to the rated voltage into the second phase of constant voltage charging, the current slowly decreases. 3.When the battery power reaches 90-95%, LED lights turn green. At this point the charger will continue to charge with a small current until it is full. Package Included: 1x 8.4V 1A Power Adapter Li-ion Battery Charger

Review: Works well for my PureWave massager - I bought this to connect with my PureWave, as I saw that the product number matched the product number on the one that came with the PureWave. Works just as well! Thank goodness!
Review: Did nothing to help - Your sight suggested this to recharge the extra battery packs I bought and it doesn't work.

## Features

- 8.4 Volt 1A Battery Charger Power Specs: Input: AC 100V-240V 50/60Hz; Output: DC 8.5V, 1A 8.5W MAX; DC plug size is 5.5mm x 2.1mm. Polarity is inside positive "+", outside negative"-", Power cord length: 5ft. It is ETL FCC certified
- Wide Application of 8.5V 1A AC Power adapter Widely used to 2 strings 18650 Batties, not support lead or other battery, medical machine 010C-W085090, meaasager, CCTV monitor, mini fountain, wifi IP home camera, fishing and others
- High Quality: This Power adaptor 8.5V 8.4V 1A AC/DC converter Certified by FCC, CE, RoHS, ETL, Overcurrent protection, overvoltage protection and overload protection, short-circuit protection ensure the stability and smoothness. The products adopt the industry's top materials and processes, flame retardant shell resistant to high temperature of 1382℉, premium-quality components and safe&reliable power cord. Gives a safe charging
- TRUSTED QUALITY: 8.4V DC extension adapter cable with an inner core made of copper wire, which has lower specific resistance and better conductivity, ensuring durability and long-lasting performance
- SPACE UTILIZATION: Experience unhindered access to multiple power outlets! Unlike traditional square-shaped adapters that impede neighboring receptacles, this sleek, narrow, and elongated power supply ensures efficient use of your wall sockets

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07523PKWY |
| Brand | Swikee |
| Color | Black |
| Current Rating | 1 Amps |
| Customer Reviews | 3.6 out of 5 stars 32 Reviews |
| Input Voltage | 120 Volts |
| Manufacturer | SDPower |
| Mfr Part Number | SW032 |
| Output Voltage | 8.4 Volts (DC) |
| Specification Met | ETL |
| UPC | 191868984820 |
| Unit Count | 1 Count |
| Warranty Description | 2Y |

## Product Details

- **Brand:** Swikee
- **Color:** Black
- **Output Voltage:** 8.4 Volts (DC)
- **Product Dimensions:** 2.5"D x 0.9"W x 1.78"H
- **Specification Met:** ETL

## Images

![ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged - Image 1](https://m.media-amazon.com/images/I/31q791LZxaS.jpg)
![ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged - Image 2](https://m.media-amazon.com/images/I/41qjePY5QwL.jpg)
![ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged - Image 3](https://m.media-amazon.com/images/I/517zmNhaT8L.jpg)
![ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged - Image 4](https://m.media-amazon.com/images/I/51-AHn8rFRL.jpg)
![ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged - Image 5](https://m.media-amazon.com/images/I/612IFGdDDgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well for my PureWave massager
*by J***. on January 11, 2019*

I bought this to connect with my PureWave, as I saw that the product number matched the product number on the one that came with the PureWave. Works just as well! Thank goodness!

### ⭐ Did nothing to help
*by J***R on October 7, 2019*

Your sight suggested this to recharge the extra battery packs I bought and it doesn't work.

### ⭐⭐⭐⭐ Four Stars
*by J***N on May 2, 2018*

good

## Frequently Bought Together

- ETL FCC 8.5V or 8.4V 1A AC to DC Power Adapter Li-ion Battery Pack Charger for 2 String 7.2V / 7.4V / 8.4V 1A Lithium Polymer Battery- The red Color Will Turn to Green Once Full Charged
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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-01*