---
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: "93 Lei"
currency: RON
in_stock: true
reviews_count: 8
url: https://www.desertcart.ro/products/60516427-etl-fcc-8-5v-or-8-4v-1a-ac-to
store_origin: RO
region: Romania
---

# 8.4V 1A stable output 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:** 93 Lei
**Availability:** ✅ In Stock

## Summary

> 🔋 Charge smart, stay powered, and 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?** 93 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/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 adapter shape maximizes wall outlet usage—no more blocked sockets or clutter.
- • **Safety First, Always:** Equipped with overcurrent, overvoltage, overload, and short-circuit protections to safeguard your devices and peace of mind.
- • **Smart Charging Indicator:** LED changes from red to green to signal full charge, so you never overcharge or guess the status.
- • **Power That Keeps You Moving:** Delivers a consistent 8.4V at 1A output for reliable charging of 2-string 18650 Li-ion batteries.
- • **Universal Compatibility, Global Reach:** Supports AC input from 100V to 240V (50/60Hz), perfect for worldwide use without a hitch.

## Overview

This ETL FCC certified 8.4V 1A AC to DC power adapter is engineered specifically for charging 2-string 18650 Li-ion battery packs. Featuring a 5.5mm x 2.1mm DC plug and universal AC input (100-240V), it ensures global compatibility. Built with premium materials and comprehensive safety protections—including overcurrent, overvoltage, overload, and short-circuit safeguards—this charger guarantees stable, efficient, and safe power delivery. Its LED indicator clearly signals charging status, while the sleek, space-saving design optimizes outlet usage, making it an essential accessory for professionals relying on reliable battery power.

## 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 |
| Customer Reviews | 3.6 3.6 out of 5 stars (32) |
| Date First Available | August 15, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.39 ounces |
| Item model number | FJ-SW0851000DU |
| Manufacturer | SDPower |
| Product Dimensions | 2.76 x 1.61 x 0.91 inches |

## 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/41+5tPssRSL.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/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 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/517zmNhaT8L.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 Romania*
*Store origin: RO*
*Last updated: 2026-02-21*