Li-ion Battery Charger Universal Dual 3.7V Battery (18650 Battery Charger)

Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.

Specifications

Feature	Details
Type	Universal Li-ion Battery Charger
Compatibility	18650 & 3.7V Li-ion Batteries
Charging Slots	Dual Channel (2 batteries simultaneously)
Input Voltage	AC 100-240V (Universal)
Output	4.2V +/- 0.05V
Charging Current	500mA per slot
Safety Features	Over-charge, Over-current, Short-circuit protection
LED Indicators	Individual status lights per slot
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Why Choose This Product?

100% Authentic - Sourced from trusted suppliers with verification

Dual Channel Design - Charge 2 batteries independently

Universal Compatibility - Works with all standard 3.7V Li-ion batteries

Advanced Safety - Multiple protection mechanisms built-in

Fast Shipping - 1-5 days from Bengaluru warehouse, delivered in 7-8 days

Expert Support - 24/7 technical assistance included

Affordable - Best value for money in the market

Key Features

• Independent Charging: Each slot operates independently with dedicated LED status indicator
• Smart Protection: Automatic cut-off when battery is fully charged
• Compact Design: Portable and space-saving for home, office, or lab use
• Universal Input: Works with any AC outlet worldwide (100-240V)
• Fast Charging: 500mA per channel for optimal charging speed
• Durable Build: High-quality materials for long-lasting performance

Perfect For

DIY Electronics & Hobbyists

• Robotics projects and drone batteries
• LED flashlights and headlamps
• Portable power banks
• Custom electronic builds

Professional Applications

• Industrial equipment maintenance
• Professional photography equipment
• Emergency backup systems
• Commercial electronics repair

Learning & Education

• Electronics engineering students
• Maker spaces and innovation labs
• Technical skill development
• STEM education projects

What's in the Box

Package Contents:

• 1x Dual Channel Li-ion Battery Charger
• 1x AC Power Cable (Universal plug)
• 1x User Manual & Quick Start Guide
• 1x Warranty Card & Support Contact Information
• 1x Safety Documentation

Technical Specifications Deep Dive

Specification	Detail
Battery Types Supported	18650, 14500, 16340, and similar 3.7V Li-ion cells
Charging Time	~3-4 hours (per 2500mAh battery)
Temperature Range	0 degreesC - 45 degreesC operating
Dimensions	Compact desktop format
Weight	Lightweight & portable
Certifications	CE, FCC, RoHS compliant

Frequently Asked Questions

Is this 100% authentic?

Yes, absolutely! We source directly from authorized distributors and verify authenticity through batch numbers and packaging. Each unit comes with a warranty card for authentication.

What warranty coverage do I get?

Full 7-day warranty on manufacturing defects covering all defects in materials and workmanship. Manufacturing defects, non-responsive LEDs, and charging failures are all covered. Accidental damage is excluded.

How fast is the shipping?

We ship from our Bengaluru warehouse with 1-5 day shipping, 7-8 day delivery to most Indian cities. Express shipping available for urgent orders. Tracking provided on all shipments.

Do you provide technical support?

Yes! Full 24/7 technical support via Email and WhatsApp. Our team can help with setup, troubleshooting, battery compatibility questions, and more.

What's your return policy?

7-day money-back guarantee on defective items. If your charger doesn't work as expected, we offer full refund or replacement at no extra cost. applicable on manufacturing defects only.

Can I charge different battery types simultaneously?

Yes! Each channel is independent, so you can charge different battery types (18650 and 14500) at the same time without any issues.

Are there bulk discounts available?

Absolutely! We offer wholesale pricing on orders of 10+ units. Contact our sales team via WhatsApp for custom quotes and bulk pricing.

Is this safe to leave charging overnight?

Yes, the charger has automatic cut-off protection. Once batteries reach full charge, the circuit automatically stops charging. However, we recommend not leaving it unattended for extended periods.

What if I have a different plug type in my country?

This charger supports universal 100-240V AC input. You may need a simple plug adapter for your country, which we can help source.

Customer Reviews & Ratings

"Excellent charger, fast delivery!" - Rajesh

Buy Li-ion Battery charger Universal Dual 3.7V Battery (18650 Battery Charger) Online in India

Purchase the Li-ion Battery charger Universal Dual 3.7V Battery (18650 Battery Charger) online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Li-ion Battery charger Universal Dual 3.7V Battery (18650 Battery Charger) with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.

Looking to buy Li-ion Battery charger Universal Dual 3.7V Battery (18650 Battery Charger) at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.