3S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board

Premium quality battery management solution from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and dedicated 24/7 support.

Product Overview

This 3S 40A BMS (Battery Management System) protection board is essential for safely charging and protecting 3-cell lithium-ion battery packs. Featuring integrated overcharge, over-discharge, and short-circuit protection, it's ideal for 18650 battery applications and custom power systems.

Key Specifications

Feature	Details
Configuration	3S (3-Cell Series)
Max Current	40A Continuous
Battery Type	Li-ion / Lithium (18650 Compatible)
Protection Features	Overcharge, Over-discharge, Short-circuit, Overcurrent
PCB Type	Charger + BMS Protection Board
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Why Choose This BMS Board?

100% Authentic - Sourced from trusted suppliers with verification

High Safety Standards - Multi-layer protection for your battery pack

Fast Delivery - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse

Expert Support - Technical assistance available round-the-clock

Reliable Performance - Tested and verified before dispatch

Cost-Effective - Best value for professional-grade protection

Applications & Use Cases

• DIY Projects: Custom power banks, portable chargers, and battery packs
• Electric Vehicles: E-bikes, e-scooters, and mobility devices
• Industrial Equipment: UPS systems, backup power supplies, and solar storage
• Consumer Electronics: Drones, power tools, and portable devices
• Professional Development: Engineering projects and educational purposes

What's Included

• 1x 3S 40A BMS Protection Board with Charger PCB
• Complete technical documentation
• Installation guide and wiring diagram
• 24/7 technical support access

Technical Highlights

Multi-Level Protection

• Overcharge protection (prevents battery damage)
• Over-discharge protection (extends battery life)
• Short-circuit protection (safety against faults)
• Overcurrent protection (40A rated)

High Performance

• Low voltage drop for efficiency
• Fast charging capability
• Stable discharge characteristics
• Wide operating temperature range

Easy Integration

• Standard connector compatibility
• Simple wiring configuration
• Compact PCB design
• Fits standard 18650 battery holders

Frequently Asked Questions

Is this product 100% authentic?

Yes, absolutely. All products are sourced directly from authorized distributors with authentication verification. We guarantee genuine components with no counterfeit risk.

What protection does this BMS board provide?

This board includes comprehensive protection against overcharge, over-discharge, short-circuit, and overcurrent conditions. It's designed to maximize battery safety and lifespan.

Can I use this with 18650 batteries?

Yes, this 3S BMS is specifically compatible with 18650 lithium-ion cells. It supports 3-cell series configurations (11.1V nominal).

What's the warranty coverage?

Full 7-day warranty on manufacturing defects covering all defects in materials and workmanship. Replacement or refund available for faulty units.

How fast is shipping?

We ships within 1-5 days from our Bengaluru warehouse. Most orders reach within 7-8 days across India. Express shipping options available.

Do you provide technical support?

Yes! Our expert team provides 24/7 support via email and WhatsApp. We help with installation, troubleshooting, and technical queries.

What's your return/replacement policy?

7-day returns on manufacturing defects only with full refund or replacement. applicable on manufacturing defects only. We stand behind our products 100%.

Are bulk discounts available?

Yes! Orders of 10+ units qualify for wholesale pricing. Contact our sales team for custom quotes and volume discounts.

Can I use this for fast charging?

Yes, this board supports fast charging up to 40A capacity. Charging speed depends on your charger specifications and battery capacity.

Order your 3S 40A BMS Protection Board today and experience reliable, safe battery management for all your projects!

Buy 3S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board Online in India

Purchase the 3S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board 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 3S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board 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 3S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board 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.