4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module
4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module
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 Tech Depot, 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@thetechdepot.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 Tech Depot - 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 Tech Depot 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.