4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module

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

Product Overview

This 4-Series 40A Battery Protection Board is engineered for safe and efficient management of lithium-ion 18650 battery packs. Ideal for cordless drills, power tools, and high-drain applications requiring reliable protection and cell balancing.

Key Specifications

Parameter	Details
Series Configuration	4S (4 cells in series)
Nominal Voltage	14.8V (4 x 3.7V)
Charging Voltage	16.8V (4 x 4.2V)
Max Continuous Current	40A
Cell Type	18650 Lithium-ion
Features	Over-charge, Over-discharge, Over-current Protection
Balancing	Active Cell Balancing Included
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Core Features

Comprehensive Protection

• Over-charge protection at 16.8V
• Over-discharge protection at 10.0V
• Over-current protection (40A threshold)
• Short-circuit protection

Active Cell Balancing

• Maintains equal voltage across all 4 cells
• Extends battery pack lifespan
• Prevents cell damage and imbalance issues

High Current Rating

• 40A continuous discharge capability
• Suitable for power tools and high-performance drills
• Minimal voltage drop

Compact & Reliable

• Space-efficient PCB design
• Professional-grade components
• Proven reliability in industrial applications

Why Choose This Product?

100% Authentic

• Sourced from authorized distributors
• Authentication verification included
• No counterfeit components

Fast & Reliable Shipping

• 1-5 days from Bengaluru warehouse, delivered in 7-8 days
• Secure packaging
• Real-time tracking available

Expert Support

• Technical assistance via Email & WhatsApp
• Troubleshooting guidance
• Installation support

Great Value

• Competitive pricing
• Bulk discounts on 10+ units
• Wholesale options available

Applications & Project Ideas

DIY & Hobbyist Projects

• Custom lithium battery pack assembly
• Portable power banks
• Experimental electronics projects
• Battery pack upgrades

Professional & Industrial Use

• Cordless drill motor packs
• Power tool batteries
• Emergency backup systems
• Industrial equipment power supplies

Learning & Education

• Electronics and battery management courses
• Hands-on skill development
• Understanding lithium-ion protection circuits
• Engineering student projects

What's Included in the Box

Package Contents:

• 1 x 4S 40A Battery Protection Board (PCB)
• 1 x Technical Documentation & Datasheet
• 1 x Installation Guide
• 1 x Support contact information

Technical Highlights

Feature	Benefit
4-Series Configuration	Perfect for 14.8V drill battery packs
40A Capacity	Handles high-drain power tools efficiently
Cell Balancing	Prevents cell degradation and extends pack life
Multiple Protections	Safeguards against common failure modes
Compact Design	Easy integration into existing packs

Frequently Asked Questions

Is this product 100% authentic?

Yes. All products are sourced from authorized distributors with complete authentication verification. We guarantee original components with no counterfeits.

What warranty coverage is provided?

Full 7-day warranty on manufacturing defects covering all defects in materials and workmanship. Covers protection failures, balancing issues, and component defects.

How fast is shipping?

Standard shipping: 7-8 days to most locations in India from our Bengaluru warehouse. Express options available for urgent orders.

Do you provide technical support?

Yes! Full 24/7 technical support via Email and WhatsApp. Get help with installation, troubleshooting, and circuit integration.

What is your return policy?

7-day returns on manufacturing defects only with full refund or replacement. Damaged units during shipping are covered with applicable on manufacturing defects only.

Can I get bulk discounts?

Yes! Wholesale pricing is available on orders of 10+ units. Contact our sales team for custom quotes and volume discounts.

Is this suitable for my drill motor application?

Absolutely. The 4S 40A configuration is specifically designed for cordless drill packs. It provides the 14.8V nominal voltage and 40A capacity needed for power tools.

How do I install this protection board?

Installation is straightforward. Connect your 4 x 18650 cells in series to the board inputs, and connect the load to the output terminals. Detailed installation guide included.

Customer Support

Email: support@theengineerstore.in

WhatsApp: Available 24/7

Location: Bengal

Buy 4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module Online in India

Purchase the 4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module 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 4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module 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 4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module 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.