3 x 21700 Battery Holder 3 Cell SMT
3 x 21700 Battery Holder 3 Cell SMT
3 x 21700 Battery Holder - 3 Cell SMT (Surface Mount)
High-quality 3-cell 21700 battery holder designed for surface mount (SMT) PCB assembly. Securely holds three 21700 lithium-ion cells in series or parallel configurations, ideal for high-capacity battery packs, portable power systems, and energy storage projects. Available at The Tech Depot, Bengaluru - trusted by makers, engineers, and professionals across India.
Specifications
| Product Type | Battery Holder / Battery Cradle |
| Battery Compatibility | 21700 Lithium-Ion Cells (21mm x 70mm) |
| Number of Cells | 3 Cells |
| Mounting Type | SMT (Surface Mount Technology) |
| Material | High-Temperature Resistant Engineering Plastic (PA66/ABS) |
| Contact Material | Nickel-Plated Spring Steel / Phosphor Bronze |
| Rated Voltage | Up to 12.6V (3S Series) / 4.2V (3P Parallel) |
| Max Current Rating | 5A-10A (depending on contact design) |
| Contact Resistance | <=30 mOhm per contact |
| Operating Temperature | -20 degreesC to +80 degreesC |
| Flammability Rating | UL94 V-0 |
| PCB Mounting | SMT pads with reflow solder compatible footprint |
| Dimensions (Approx.) | 75mm x 85mm x 22mm (L x W x H) |
| Weight | ~25g (without batteries) |
| Origin | Original / Authentic Component |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
| Price | Rs.374.22 |
Key Features
- SMT Design: Surface mount pads enable automated PCB assembly and reflow soldering, perfect for production-grade builds
- Secure Cell Retention: Spring-loaded contacts and snap-fit design hold 21700 cells firmly, even under vibration
- Low Contact Resistance: Nickel-plated contacts ensure efficient current transfer and minimal power loss
- High-Temperature Plastic Body: UL94 V-0 rated housing resists heat during soldering and operation
- Flexible Configuration: Wire in series (3S) for up to 12.6V or parallel (3P) for extended capacity
- Compact Footprint: Optimized layout minimizes PCB real estate while accommodating three full-size 21700 cells
- The Tech Depot & Durable: Engineered for long-term reliability in both prototyping and production environments
Why Choose This 3 x 21700 Battery Holder?
- 100% Authentic: Sourced directly from trusted and authorized component suppliers
- 21700 Advantage: 21700 cells offer 30-50% more capacity than 18650 cells - ideal for modern high-energy applications
- Production Ready: SMT mounting is compatible with pick-and-place machines and reflow ovens for scalable manufacturing
- Prototyping Friendly: Can also be hand-soldered onto custom PCBs for rapid prototyping
- Fast Shipping: 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse
- Expert Technical Support: Get guidance on PCB footprint design, wiring configurations, and BMS integration
Project Ideas
- DIY Portable Power Bank: Build a high-capacity 3S or 3P power bank using 21700 cells with USB-C PD output for charging laptops and devices
- Electric Vehicle Battery Pack: Use as a modular building block for e-bike, e-skateboard, or robotics battery packs
- Solar Energy Storage: Pair with a solar charge controller to create an off-grid energy storage system for IoT sensors or lighting
- UPS / Backup Power Supply: Design a compact uninterruptible power supply for Raspberry Pi, routers, or CCTV systems
- Robotics & Drones: Lightweight, high-energy battery module for autonomous robots, drones, and RC vehicles
- Portable Test Equipment: Power handheld instruments, oscilloscopes, or field-testing devices with a rechargeable 21700 pack
- Learning & Education: Excellent for teaching battery management, series/parallel circuits, and PCB design to engineering students
- Ham Radio & Field Communications: Build portable power packs for amateur radio transceivers and emergency communication kits
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy 3 x 21700 Battery Holder 3 Cell SMT Online in India
Purchase the 3 x 21700 Battery Holder 3 Cell SMT 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 3 x 21700 Battery Holder 3 Cell SMT 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 x 21700 Battery Holder 3 Cell SMT 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.