Quality Dual Slot Li Ion Battery Chargers 18650 21700 Lithium Ion Battery Charger Universal factory

Dual Slot Li Ion Battery Chargers 18650 21700 Lithium Ion Battery Charger Universal

Product Summary

SC2 dual-slot 3A fast charger for 18650/21700/26650 batteries. Features QC3.0 protocol, 0V activation, and 3-stage protection. Compact design with global certifications (CE/FCC/RoHS).

Product Custom Attributes

End-of Charge Voltage:

4.20±0.05V

Product:

Li Ion Battery Chargers

End-of Charge Current:

≤120mA

Operating Temperature:

0-40°C

Net Weight:

350g

Size:

L194×W137×H34mm

Highlight:

li ion battery chargers 18650

dual slot li ion battery chargers

18650 nimh battery chargers

Basic Properties

Place of Origin:

China

Brand Name:

XTAR

Certification:

CE/RoHS/ FCC

Model Number:

Sc2

Trading Properties

Minimum Order Quantity:

500

Price:

$4.95/pcs

Packaging Details:

Color box

Delivery Time:

7-30 Days

Payment Terms:

T/T

Supply Ability:

2000pcs/day

Tags:

aa battery charger

Product Description

SC2 Dual-Slot 3A Fast Li-ion Battery Charger

SC2 Dual-Slot 3A Fast Li-ion Battery Charger with QC3.0 Protocol and 0V Activation for 18650 21700 Batteries

Product Overview

Powerful 3A fast charger for 18650, 20700, 21700, 22650, 26650 Li-ion batteries (including protected types). Features QC3.0 support, 2A×2 / 3A×1 adaptive charging, 0V activation, and TC-CC-CV three-stage protection. Compact, travel-friendly design with smart Type-C port and LED indicators. Globally certified with worldwide insurance. Ideal for home, travel, and professional use.

Key Features

Fast Charging: Supports up to 3A fast charging for quick battery recovery
Compact Design: Extreme compact size fits easily into pockets or bags
Compatibility: Charges protected 20700/21700 batteries for versatility
Intelligent Charging: QC3.0 protocol ensures efficient power delivery
LED Indicator: Easy-to-read LED light shows charging status

Technical Specifications

Model	SC2
Input	QC3.0 (9V=2A/5V=2A)
Constant Current	2Ax2 / 3Ax1 Max
End of Charge Voltage	4.2±0.05V
End of Charge Current	≤150mA
Operating Temperature	0-40°C
Size	L105mm x W53mm x H27mm
Net Weight	60g

Battery Compatibility

About XTAR

Established in 2006, XTAR is a leading provider of high-quality lithium-ion batteries, smart chargers, and LED flashlights. Based in Shenzhen, we integrate R&D, production, and sales to deliver innovative power solutions. With over 20 years of expertise, XTAR is your trusted partner for reliable energy products, offering customized solutions for OEM and wholesale clients.

Company Timeline

2005

Launched PK flashlight, laying groundwork for battery and charging expertise

2009

Developed WP6 (6-slot charger) for diving flashlights, pioneering three-stage charging technology

2011

WP2II - First charger with 0V activation + USB output, reviving over-discharged lithium-ion batteries

2012

First charger with selectable charging current (0.5C) to extend battery lifespan

2014

VP2 - Market's first charger compatible with all lithium-ion battery voltages

2016

DRAGON VP4 Plus - First charger to precisely measure battery capacity & internal resistance

2019

Integrated charger with charging, capacity calibration, storage (3A fast charge per slot, auto/manual current adjustment)

2020

BC4 - First universal charger for AA/AAA 1.5V lithium & 1.2V NiMH batteries

2023

Pioneered CVSA (Curve-based Voltage Sensing) tech for more precise, safer NiMH battery charging

2024

VX4 - First charger for 1.5V lithium batteries, supporting 4 battery types with 4 intelligent charging protocols

Manufacturing

We operate our own factory with efficient production processes ensuring precise production cycles. Manufacturing under our original brand guarantees product consistency and provides convenient maintenance and after-sales service. XTAR integrates the brand values of safety, reliability, and innovation into every product.

Global Certifications

Frequently Asked Questions

Can I have a sample order for Battery/Charger?

Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

What about the lead time?

Sample needs 1-2 days, mass production time needs 3-7 working days.

How do you ship the goods and how long does it take to arrive?

DHL, UPS, FedEx or TNT and others shipping method is available. Arriving time depends on the way you choose. Airline and sea shipping also optional. Warehouse in Texas, shipment is free in US.

Is it OK to print my logo on the product?

Yes. We have our own R&D Department and Factory. Both OEM and ODM are acceptable.

What industries do you provide supporting equipment for?

We can provide professional supporting services for many industries, such as electric toothbrushes, thermal imagers, infrared devices, thermal imaging scope, flashlights, toy cars, smart locks, and so on.

Where do you ship from?

We can ship from Shenzhen, China, and we also have overseas warehouses in the U.S., so we can also ship directly from the U.S.

Contact Our Experts And Get A Free Consultation!

Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.