3.7v 2500mah 18650 Li-Ion Battery

Premium rechargeable lithium-ion battery from The Engineer Store, Bengaluru. Authentic products, fast delivery, comprehensive warranty, and 24/7 expert support.

Product Overview

The 3.7V 2500mAh 18650 Li-Ion Battery is a high-performance rechargeable power cell designed for demanding applications. With excellent energy density and reliable performance, it's ideal for both hobbyists and professionals requiring dependable power solutions.

Key Specifications

Specification	Details
Voltage	3.7V (Nominal)
Capacity	2500mAh
Battery Type	Lithium-Ion (Li-Ion)
Size	18650 (18mm x 65mm)
Chemistry	Li-Ion
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Why Choose Our 18650 Battery?

100% Authentic - Sourced from authorized distributors with full verification

High Capacity - 2500mAh for extended runtime

Reliable Performance - Consistent power delivery across charge cycles

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

Expert Support - Technical assistance available round-the-clock

Manufacturer Warranty - 1-year comprehensive coverage

Common Applications

• Flashlights & Torches - Emergency lighting and tactical applications
• Power Tools - Cordless drills and hand tools
• Portable Devices - Vaping devices, e-cigarettes, and personal electronics
• DIY Projects - Robotics, Arduino projects, and custom builds
• Emergency Power - Backup power supplies and power banks
• Photography - Camera flashes and external lighting rigs
• Medical Devices - Portable medical equipment and monitors
• Industrial Equipment - Backup power for sensors and controllers

What's Included

In the Box:

• 1x 3.7V 2500mAh 18650 Li-Ion Battery
• Product documentation and safety guidelines
• Technical specifications sheet
• Customer support contact information

Performance Features

High Energy Density - Delivers consistent power output throughout discharge cycle

Low Self-Discharge - Retains charge longer than standard batteries

Temperature Stable - Performs reliably across temperature ranges

Safety Built-In - Internal protection circuits prevent overcharge and over-discharge

Long Cycle Life - 500+ charge cycles for extended usability

Safety & Compliance

• Built-in protection circuit
• Thermal safety features
• Compliant with international standards
• Proper handling guidelines included

Shipping & Delivery

Fast Delivery: 7-8 days to most locations in India

Warehouse: Bengaluru

Tracking: Real-time order tracking available

Warranty & Support

7-day warranty on manufacturing defects - Covers manufacturing defects

24/7 Support - Email and WhatsApp assistance

7-Day Returns - Full refund or replacement for defective items

Expert Guidance - Technical advice for applications

Frequently Asked Questions

Is this battery 100% authentic?

Yes, absolutely. We source all products from authorized distributors with full authentication verification. Every battery undergoes quality checks before dispatch.

What is the warranty period?

This battery comes with a 7-day warranty on manufacturing defects covering all defects in materials and workmanship. The warranty is valid from the date of purchase.

How long does shipping take?

We offer fast 1-5 day shipping, 7-8 day delivery to most locations in India from our Bengaluru warehouse. Express options may be available for urgent orders.

Can I use this battery in any device?

The 18650 is a standard size used in many devices, but compatibility depends on your specific device. Check your device's manual or contact our support team for verification before purchase.

What's the lifespan of this battery?

This battery typically supports 500+ full charge cycles. Actual lifespan depends on usage patterns, charging practices, and storage conditions.

Do you provide technical support?

Yes, our expert team provides 24/7 technical support via email and WhatsApp. We can assist with compatibility, troubleshooting, and best practices.

What's your return policy?

We offer a 7-day return policy on defective items with full refund or replacement. Items must be unused and in original packaging.

Are bulk discounts available?

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

How should I store this battery?

Store in a cool, dry place away from moisture and extreme temperatures. Keep the protective cap on and store at 50% charge for long-term storage.

Is there a charger included?

The battery is sold separately. We recommend using a quality 18650 charger with overcharge protection. Contact us for charger recommendations.

Customer Support

Email: support@theengineerstore.in

Buy 3.7v 2500mah 18650 Li-Ion Battery Online in India

Purchase the 3.7v 2500mah 18650 Li-Ion Battery 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 3.7v 2500mah 18650 Li-Ion Battery 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 3.7v 2500mah 18650 Li-Ion Battery 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.